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Geometry

SequencesLessonsMaterialsVideos
  1. Math

Geometry

SequencesLessonsMaterialsVideos
SequencesLessonsMaterialsVideos

Geometric classification, measurement of area and volume, and the study of transformations and rigid motions. Builds toward complex proofs, trigonometry for general triangles, and the algebraic representation of conic sections.

MathNumbers & CountingCounting ObjectsNumber NamesComparing NumbersNumber OperationsCounting SequenceNumbers 0-10Place Value Understanding and SystemAdd and Subtract Within 20Addition and Subtraction ConceptsAddition and Subtraction EquationsAddition and Subtraction ProblemsFoundations for MultiplicationMultiplication and Division PropertiesMultiply and Divide Within 100Multiplication and Division ProblemsFactors and MultiplesProperties of OperationsPatterns and RelationshipsGenerate and Analyze PatternsMulti-Digit ArithmeticPlace Value OperationsMulti-Digit and Decimal OperationsNumerical ExpressionsFour Operations and PatternsFour Operations Problem SolvingMeasurement & DataMeasurable AttributesMeasuring LengthsMeasure and Estimate Lengths in Standard UnitsRelate Addition and Subtraction to LengthClassifying and Counting ObjectsTime and MoneyArea Concepts and MeasurementPerimeter and Area MeasuresAngle Concepts and MeasurementTime, Volume, and MassMeasurement Unit ConversionsGeometryIdentifying ShapesShapes and AttributesShape Attributes and ReasoningShapes and CompositionClassifying 2D FiguresGeometric Figures and RelationshipsLines, Angles, and ShapesAngle, Area, and VolumeGeometric MeasurementVolume of 3D ShapesCoordinate Plane ApplicationsTransformations in the PlaneCongruence and SimilarityUnderstand congruence in terms of rigid motionsSimilarity and TransformationsProve Theorems Involving SimilarityPythagorean TheoremTrigonometry for General TrianglesMake Geometric ConstructionsProve Geometric TheoremsTheorems About CirclesFind Arc Lengths And Areas of Sectors of CirclesVolume FormulasRelationships Between Two-Dimensional and Three-Dimensional ObjectsProve Simple Geometric Theorems AlgebraicallyTranslate Between Geometric Description and Equation for Conic SectionApply Geometric Concepts in Modeling SituationsFractions & DecimalsFractions as NumbersBuilding FractionsFraction Equivalence and OrderingAdding and Subtracting FractionsMultiplying and Dividing FractionsDividing FractionsDecimal FractionsMulti-Digit Computation and FactorsAdd, Subtract, Multiply, and Divide Rational NumbersRational Number SystemIrrational Numbers and ApproximationsRatiosRatios and ProportionsProportional RelationshipsUnit RateAlgebraAlgebraic ExpressionsGenerate Equivalent ExpressionsQuantitative RelationshipsProportional Relationships and Linear EquationsEquations and InequalitiesEquation Solving and ReasoningLinear Equations and SystemsGraph Equations and InequalitiesSystems of EquationsReal-World Algebraic ProblemsQuantitative Reasoning with UnitsExpression StructureEquivalent Expression FormsRadicals and Integer ExponentsRational ExponentsRational and Irrational NumbersPolynomial OperationsPolynomial IdentitiesPolynomial Zeros and FactorsRational ExpressionsComplex Number OperationsComplex Numbers in PolynomialsComplex Numbers on PlaneStatistics & ProbabilityRepresent and Interpret DataData DistributionsStatistical VariabilityProbability ModelsCompound Event ProbabilitiesStatistical SamplingInterpret Categorical and Quantitative DataBivariate Data PatternsInterpret Linear ModelsComparing Two PopulationsRandom Processes in StatisticsIndependence and Conditional ProbabilityExpected ValuesProbability-Based Decision MakingStatistical Inference and ConclusionsFunctionsFunction Concepts and NotationDefine and Compare FunctionsInterpret Functions in ContextAnalyze Function RepresentationsModel Relationships with FunctionsIdentify Linear vs Exponential GrowthDistinguish Between Function TypesCompare Growth RatesInterpret Function ExpressionsBuild Functions from RelationshipsConstruct and Model FunctionsTransform and Combine FunctionsModel Comparison and SelectionSolve Exponential EquationsTrigonometryTrigonometric Ratios Involving Right TrianglesTrigonometric Functions and Unit CircleModel with Trigonometric FunctionsTrigonometric IdentitiesVectors & MatricesIntroduction to Vectors and MatricesVector QuantitiesVector OperationsMatrix OperationsCalculusLimits and ContinuityDerivative Concepts and NotationDerivative Rules and TechniquesApplications of DerivativesOptimization ProblemsRelated RatesCurve Sketching and AnalysisIntegration Concepts and NotationAntiderivatives and Indefinite IntegralsDefinite Integrals and AreaFundamental Theorem of CalculusIntegration TechniquesApplications of IntegrationDifferential EquationsSequences and SeriesParametric and Polar FunctionsVector-Valued Functions
Identifying ShapesVisual recognition and naming of two-dimensional and three-dimensional geometric figures. Builds classification skills based on properties such as sides, vertices, and curves.
Shapes and AttributesProperties of two-dimensional and three-dimensional geometric figures, focusing on sides, angles, and vertices. Strengthens spatial awareness through classification and construction activities.
Shape Attributes and ReasoningIdentification of properties including sides, vertices, and angles in two-dimensional and three-dimensional shapes. Classifies and sorts objects based on shared attributes to build foundational geometric reasoning.
Shapes and CompositionIdentification of 2D and 3D shapes alongside their defining attributes like sides, angles, and vertices. Builds spatial reasoning by composing simple shapes into complex figures and decomposing larger objects into constituent parts.
Classifying 2D FiguresCategorizes polygons based on side lengths, angle measures, and the presence of parallel or perpendicular lines. Distinguishes between subcategories of quadrilaterals and triangles using hierarchical relationships.
Geometric Figures and RelationshipsProperties of 2D and 3D shapes, including symmetry, congruence, and similarity. Develops spatial reasoning through the study of angles, lines, and coordinate transformations.
Lines, Angles, and ShapesGeometric foundations including parallel and perpendicular lines, angle classification, and the properties of two-dimensional polygons. Strengthens spatial reasoning through the identification of vertices, edges, and symmetry.
Angle, Area, and VolumeGeometric properties including angle measurement, area of polygons, and volume of three-dimensional solids. Applies formulas and theorems to solve spatial reasoning problems.
Geometric MeasurementArea, perimeter, and volume calculations for two- and three-dimensional figures. Develops spatial reasoning through the application of measurement formulas and unit conversions.
Volume of 3D ShapesFormulas and calculations for determining the capacity of prisms, pyramids, cylinders, cones, and spheres. Develops spatial reasoning through applications involving cubic units and composite solids.
Coordinate Plane ApplicationsQuadrant navigation, distance calculations between points, and area determinations for polygons. Applies coordinate geometry to mapping, reflections, and data visualization.
Transformations in the PlaneTranslations, rotations, reflections, and dilations within the coordinate system. Examines congruence and similarity through geometric mapping and algebraic rules.
Congruence and SimilarityRigid transformations, scale factors, and proportional reasoning for identifying identical or scaled figures. Addresses triangle congruence criteria and similarity theorems for polygons.
Understand congruence in terms of rigid motionsTranslations, rotations, and reflections define geometric congruence through the exact mapping of figures. Examines how rigid motions preserve distance and angle measure to establish structural equality.
Similarity and TransformationsDilations and scale factors define similarity through proportional relationships and preserved angle measures. Examines sequences of rigid motions combined with resizing to map figures onto one another.
Prove Theorems Involving SimilarityGeometric proofs using AA, SAS, and SSS criteria to establish triangle similarity. Applies proportional reasoning to solve for unknown side lengths and verify the Pythagorean theorem through similar sub-triangles.
Pythagorean TheoremRelationship between the sides of right triangles using the formula a² + b² = c². Guides students through solving for missing side lengths and applying the theorem to real-world geometric problems.
Trigonometry for General TrianglesLaw of Sines and Law of Cosines applications for solving non-right triangles. Includes area formulas for oblique triangles and techniques for finding unknown side lengths and angles.
Make Geometric ConstructionsCompass and straightedge techniques for bisecting angles, segments, and constructing perpendicular lines. Develops precision through the creation of parallel lines and inscribed regular polygons.
Prove Geometric TheoremsLogical deduction and formal proof methods applied to lines, angles, and polygons. Builds mastery of axioms and postulates while establishing properties of congruence and similarity.
Theorems About CirclesRelationships between chords, secants, tangents, and inscribed angles. Establishes proofs for arc measures, segment lengths, and angle properties within circular geometry.
Find Arc Lengths And Areas of Sectors of CirclesCalculation of arc lengths and sector areas using central angles and radius measurements. Applies proportional reasoning to circular geometry in both degrees and radians.
Volume FormulasGeometric calculations for three-dimensional shapes including prisms, cylinders, pyramids, cones, and spheres. Develops skills for solving missing dimensions and real-world capacity problems.
Relationships Between Two-Dimensional and Three-Dimensional ObjectsCross-sections of three-dimensional solids and the generation of solids of revolution from two-dimensional shapes. Connects planar geometry to spatial visualization through nets and surface area calculations.
Prove Simple Geometric Theorems AlgebraicallyCoordinate geometry techniques, including the distance, midpoint, and slope formulas, verify properties of polygons. Establishes formal proofs for parallel and perpendicular lines within a coordinate plane.
Translate Between Geometric Description and Equation for Conic SectionDerivation of algebraic equations from geometric definitions including foci, directrices, and vertices. Connects visual properties of parabolas, ellipses, circles, and hyperbolas to their standard coordinate forms.
Apply Geometric Concepts in Modeling SituationsTranslates physical scenarios into geometric representations to solve optimization and design problems. Employs area, volume, and density calculations to analyze real-world objects and structures.
Lesson
Geometry Motion Teacher Guide
Shape Shifters Slides
Body Blueprints Activity
Polygon Pursuit Game
Dimension Detective Worksheet

Geometry in Motion

Students explore 2D and 3D geometric concepts through physical movement and hands-on modeling. They will identify shape properties, symmetry, and angles by transforming their bodies and building physical structures.

L

lisa.mcintyre

Math Teacher
2/2
Lesson
Polygon Patrol Slides
Shape Detective Worksheet
Shape Detective Answer Key
Patrol Briefing Teacher Guide
Focus Patrol Worksheet
Detective Field Guide Reference Sheet

Polygon Patrol

An investigative journey into the world of 2D shapes, focusing on identifying attributes and classifying quadrilaterals.

YM

Yuko Motoki

Math Teacher
1/27
Lesson
Detective Briefing Teacher Guide
Case File Slides Presentation
Mystery Number Hunt Game Cards
Evidence Log Worksheet
Evidence Log Answer Key

Number Detectives Mission

Students step into the shoes of Number Detectives to solve a series of mathematical mysteries. This lesson integrates addition and subtraction within 20, place value (tens and ones), and basic shape recognition through a collaborative, game-based approach.

KZ

Kieran Ziegler

Elementary Teacher
1/26
Lesson
Precision Motion Guide
Motion Maker Slides
Precision Lab Worksheet
Measure Master Strips

Precision Motion Lab

Students explore the intersection of math and engineering by building a zoetrope. They practice precise measurement to the nearest millimeter and centimeter to create a functional optical illusion.

Lenny Avatar
Lenny
1/19
Lesson
Winter Geometry Teacher Notes
Frozen Symmetry Slides
Snow Crystal Lab Report
Snow Crystal Square Template

Frozen Symmetry

A hands-on geometry lesson where 3rd-grade students explore hexagonal symmetry by creating paper snowflakes (snow crystals) and identifying geometric properties like vertices, branches (dendrites), and the central hexagon.

Lenny Avatar
Lenny
1/19
Lesson
Rule Detective Teacher Guide
Sorting Secrets Slides
Attribute Blocks Printable
Rule Hunter Record Sheet

Sorting Rule Detectives

A K-2 lesson where students become 'Sorting Detectives' to discover hidden rules behind grouped objects, using inductive reasoning and attribute blocks.

Lenny Avatar
Lenny
1/19
Lesson
Sky High Slides
Kite Geometry Worksheet
Sky High Teacher Guide

Sky High Shapes

A 1st Grade math lesson where students identify diamond shapes and use non-standard units (linking cubes or paper clips) to measure kite frames based on a kite-building video.

Lenny Avatar
Lenny
1/19
Lesson
Polygon Patrol Slides
Polygon Patrol Teacher Guide
Shape Sentry Anchor Chart
Prefix Power Worksheet
Rule Breaker Exit Ticket
Polygon Police Badges

Polygon Patrol

A high-energy geometry lesson where students identify polygons by their attributes and Greek prefixes, featuring a 'Polygon Patrol' theme.

Lenny Avatar
Lenny
1/19
Lesson
Poly Animal Presentation
Poly Animal Worksheet
Poly Animal Rubric
Poly Animal Teacher Guide

Poly Animal Art

Students explore geometry through art by creating 'Poly-Animals' using specific polygons. The lesson incorporates a rhythmic polygon song to reinforce vocabulary and prefixes for 3 to 10-sided shapes.

Lenny Avatar
Lenny
1/19
Lesson
Polygon Pulse Teacher Guide
Polygon Pulse Presentation Slides
Polygon Remix Activity Sheet

Polygon Pulse

A high-energy geometry lesson that uses music, movement, and creative songwriting to help students master geometric prefixes (tri- to deca-) and the definition of polygons.

Lenny Avatar
Lenny
1/19
Lesson
Shape Scouts Teacher Guide
Shape Scouts Slides
Shape Scouts Checklist Worksheet
Shape Scouts Reference Cards
Shape Scouts Home Hunt Homework

Shape Scouts

A 3rd grade geometry lesson where students become 'Shape Scouts' to identify and document polygons in their environment after watching an interactive educational video.

Lenny Avatar
Lenny
1/19
Lesson
Quad Blueprint Teacher Guide
Quad Quest Slides
Shape Sorter Worksheet
The Quad Clan Anchor Chart

Quad Architect

A comprehensive lesson on classifying quadrilaterals by their sides and angles, featuring a video-based discussion and a hands-on 'Family Tree' hierarchy activity.

Lenny Avatar
Lenny
1/19
Lesson
Solid Squad Teacher Guide
Solid Squad Slides
Solid Squad Image Cards
Solid Squad Sorting Mat
Solid Squad Exit Ticket

Solid Squad

A geometry lesson where students classify solid figures as polyhedrons or non-polyhedrons using real-world architectural examples. Students engage in a tactile warm-up, interactive video viewing, and a sorting activity with written justifications.

Lenny Avatar
Lenny
1/19
Lesson
Blueprint for Bases Teacher Guide
Base Builders Slides
Shape Shifter Lab Sheet
Architects Code Reference Sheet

Base Builders

A lesson where students learn to identify and name prisms and pyramids by their bases. Includes a polygon warm-up, an interactive video viewing, and a hands-on solid-naming game.

Lenny Avatar
Lenny
1/19
Lesson
Net Detectives Facilitator Guide
Net Detectives Presentation Slides
Net Detectives Activity Nets
Shape Showdown Venn Diagram

Net Detectives

A 5th-grade geometry lesson where students explore the structural differences between prisms and pyramids by analyzing their bases and lateral faces using architectural blueprints and paper nets.

Lenny Avatar
Lenny
1/19
Lesson
Shape Museum Worksheet
Dimension Detectives Slides
Shape Bin Labels Printout
Dimension Detectives Teacher Guide

Dimension Detectives

Students investigate the differences between 2D plane figures and 3D solid figures through a 'Shape Museum' sorting activity and real-world object analysis.

Lenny Avatar
Lenny
1/19
Lesson
Master Builder Guide
Blueprint Data Worksheet
Shape Shifter Slides
Blueprint Answer Key

Solid Shape Builders

A hands-on geometry lesson where 4th-grade students use toothpicks and marshmallows to build and analyze the attributes of prisms and pyramids.

Lenny Avatar
Lenny
1/19
Lesson
Shape Detectives Teacher Guide
Shape Detectives Slides
Shape Sleuths Sorting Mat
Shape Sleuths Cutouts

Shape Detectives

Students will learn to distinguish between similar 2D shapes (circles vs. ovals and squares vs. rectangles) by identifying and describing their specific attributes through a video-led discussion and a hands-on sorting activity.

Lenny Avatar
Lenny
1/19
Lesson
City Architect Teacher Guide
Shape Street Slides
City Builder Cutouts
Shape Spotter Checklist
City Canvas Background

Shape Street

A Kindergarten and 1st Grade lesson where students identify 2D shapes in a video street scene and then use geometric shapes to construct their own artistic city. The lesson focuses on recognizing triangles, circles, ovals, squares, and rectangles in everyday objects.

Lenny Avatar
Lenny
1/19
Lesson
Shape Seekers Slides
Shape Seekers Parent Letter
Shape Seekers Detective Card
Shape Seekers Facilitator Guide

Shape Seekers

A parent-focused workshop teaching families how to spot and discuss geometric shapes in their everyday environment, turning simple errands into learning opportunities.

Lenny Avatar
Lenny
1/19
Lesson
Geometry Motion Teacher Guide
Shape Shifters Slides
Body Blueprints Activity
Polygon Pursuit Game
Dimension Detective Worksheet

Geometry in Motion

Students explore 2D and 3D geometric concepts through physical movement and hands-on modeling. They will identify shape properties, symmetry, and angles by transforming their bodies and building physical structures.

L

lisa.mcintyre

Math Teacher
2/2
Lesson
Border Bosses Teacher Guide
Perimeter Blueprint Anchor Chart
Perimeter Toolkit Organizer
Perimeter Puzzle Task Cards
Perimeter Puzzle Answer Key
Boundary Check Quiz
Boundary Check Quiz Answer Key
Boundary Blitz Task Cards
Boundary Blitz Answer Key
Boundary Boulevard Game Board

Border Bosses

A comprehensive lesson focused on finding the perimeter of regular and irregular polygons, including real-world applications and solving for missing side lengths.

KA

Kelise Antonio

Counselor
1/31
Lesson
Polygon Patrol Slides
Shape Detective Worksheet
Shape Detective Answer Key
Patrol Briefing Teacher Guide
Focus Patrol Worksheet
Detective Field Guide Reference Sheet

Polygon Patrol

An investigative journey into the world of 2D shapes, focusing on identifying attributes and classifying quadrilaterals.

YM

Yuko Motoki

Math Teacher
1/27
Lesson
Detective Briefing Teacher Guide
Case File Slides Presentation
Mystery Number Hunt Game Cards
Evidence Log Worksheet
Evidence Log Answer Key

Number Detectives Mission

Students step into the shoes of Number Detectives to solve a series of mathematical mysteries. This lesson integrates addition and subtraction within 20, place value (tens and ones), and basic shape recognition through a collaborative, game-based approach.

KZ

Kieran Ziegler

Elementary Teacher
1/26
Lesson
Winter Geometry Teacher Notes
Frozen Symmetry Slides
Snow Crystal Lab Report
Snow Crystal Square Template

Frozen Symmetry

A hands-on geometry lesson where 3rd-grade students explore hexagonal symmetry by creating paper snowflakes (snow crystals) and identifying geometric properties like vertices, branches (dendrites), and the central hexagon.

Lenny Avatar
Lenny
1/19
Lesson
Rule Detective Teacher Guide
Sorting Secrets Slides
Attribute Blocks Printable
Rule Hunter Record Sheet

Sorting Rule Detectives

A K-2 lesson where students become 'Sorting Detectives' to discover hidden rules behind grouped objects, using inductive reasoning and attribute blocks.

Lenny Avatar
Lenny
1/19
Lesson
Sky High Slides
Kite Geometry Worksheet
Sky High Teacher Guide

Sky High Shapes

A 1st Grade math lesson where students identify diamond shapes and use non-standard units (linking cubes or paper clips) to measure kite frames based on a kite-building video.

Lenny Avatar
Lenny
1/19
Lesson
Positional Power Slides
Hiding Game Teacher Guide
Where is the Friend Worksheet
Preposition Picture Cards

Positional Power

A Kindergarten lesson focused on spatial awareness and positional prepositions (on top, under, next to, in front of, behind) using hands-on manipulatives and an interactive video.

Lenny Avatar
Lenny
1/19
Lesson
Reverse Engineer Slides
Deconstruction Log Worksheet
Cube Mechanics Anchor Chart
Deconstruction Log Answer Key
Cube Mechanics Lesson Plan

Cube Mechanics

Students will master the algebraic manipulation of the cube surface area formula, learning to 'reverse engineer' a side length from a given total area. The lesson uses a technical, blueprint-themed approach to make formula manipulation feel like mechanical engineering.

Lenny Avatar
Lenny
1/19
Lesson
Calculation Challenge Teacher Guide
Cube Quest Presentation Slides
Mistake Hunters Activity Posters
Mistake Hunters Field Guide Worksheet
Cube Calculation Reflection Journal

Cube Calculation Challenge

Students will master variable substitution and the order of operations by analyzing the surface area formula for a cube ($6x^2$), using a video-based derivation and a hands-on error analysis gallery walk.

Lenny Avatar
Lenny
1/19
Lesson
Polygon Patrol Slides
Polygon Patrol Teacher Guide
Shape Sentry Anchor Chart
Prefix Power Worksheet
Rule Breaker Exit Ticket
Polygon Police Badges

Polygon Patrol

A high-energy geometry lesson where students identify polygons by their attributes and Greek prefixes, featuring a 'Polygon Patrol' theme.

Lenny Avatar
Lenny
1/19
Lesson
Polygon Pulse Teacher Guide
Polygon Pulse Presentation Slides
Polygon Remix Activity Sheet

Polygon Pulse

A high-energy geometry lesson that uses music, movement, and creative songwriting to help students master geometric prefixes (tri- to deca-) and the definition of polygons.

Lenny Avatar
Lenny
1/19
Lesson
Shape Scouts Teacher Guide
Shape Scouts Slides
Shape Scouts Checklist Worksheet
Shape Scouts Reference Cards
Shape Scouts Home Hunt Homework

Shape Scouts

A 3rd grade geometry lesson where students become 'Shape Scouts' to identify and document polygons in their environment after watching an interactive educational video.

Lenny Avatar
Lenny
1/19
Lesson
Visuals to Fractions Teacher Guide
Visuals to Fractions Slides
Fraction Match-Up Worksheet
Sixths Success Exit Ticket
Fraction Match-Up Answer Key

From Visuals to Fractions

A 3rd-grade introductory lesson on fractions focusing on partitioning shapes into equal areas and understanding unit fractions (1/b) as one part of a whole. Students use visual cues from a Khan Academy video to distinguish between equal and unequal parts in circles, squares, and rectangles.

Lenny Avatar
Lenny
1/19
Lesson
Paper Fold Party Teacher Guide
Paper Fold Party Slides
Square Folding Templates
Fraction Folder Journal

Paper Folding Geometry

Students will learn to partition circles and rectangles into two, three, or four equal shares. They will explore how identical wholes can be partitioned into equal shares with different shapes, specifically focusing on dividing squares into fourths in multiple ways.

Lenny Avatar
Lenny
1/19
Lesson
Shape Hunt Slides
Case Briefing Teacher Guide
Detective Activity Pack

The Imposter Shape Hunt

A detective-themed lesson for 2nd graders to master distinguishing between equal and unequal parts in circles, squares, and rectangles. Students hunt for 'imposter' shapes that don't meet the criteria for thirds or fourths.

Lenny Avatar
Lenny
1/19
Lesson
Equal Shares Teacher Guide
Equal Shares Slides
Equal Shares Shape Mats
Equal Shares Chocolate Prop
Pattern Puzzles Activity Sheet

Hands On Equal Shares

A hands-on introductory lesson on equal shares and fractions using chocolate bars, pattern blocks, and interactive video modeling for 1st-3rd grade special education.

Lenny Avatar
Lenny
1/19
Lesson
Pizza Party Teacher Guide
Pizza Party Slides Presentation
Pizza Order Activity Handout
Pizza Chef Practice Worksheet
Pizza Chef Practice Answer Key

Fair Share Pizza Party

A 1st-grade geometry lesson focusing on partitioning circles and rectangles into halves and fourths using a pizza party theme. Includes a hands-on playdough activity and video analysis to distinguish between equal and unequal shares.

Lenny Avatar
Lenny
1/19
Lesson
Grid Builders Teacher Guide
Grid Builders Slides
Grid Master Worksheet
Grid Master Answer Key

Grid Builders

A lesson for 1st and 2nd graders to develop spatial reasoning skills by visualizing and drawing missing grid lines to fill rectangles with squares. Students explore the concept of area through a 'builder' theme, using video observation and hands-on drawing.

Lenny Avatar
Lenny
1/19
Lesson
Quad Squad Teacher Guide
Quad Squad Presentation Slides
Quad Squad Venn Worksheet
Quad Squad Shape Cutouts
Shape Supremacy Paper

Quad Squad Hierarchy

A geometry lesson for grades 5-8 focusing on the hierarchical classification of quadrilaterals, using the inclusive definitions of squares, rectangles, rhombuses, and parallelograms.

Lenny Avatar
Lenny
1/19
Lesson
Geometry Motion Teacher Guide
Shape Shifters Slides
Body Blueprints Activity
Polygon Pursuit Game
Dimension Detective Worksheet

Geometry in Motion

Students explore 2D and 3D geometric concepts through physical movement and hands-on modeling. They will identify shape properties, symmetry, and angles by transforming their bodies and building physical structures.

L

lisa.mcintyre

Math Teacher
2/2
Lesson
Polygon Patrol Slides
Shape Detective Worksheet
Shape Detective Answer Key
Patrol Briefing Teacher Guide
Focus Patrol Worksheet
Detective Field Guide Reference Sheet

Polygon Patrol

An investigative journey into the world of 2D shapes, focusing on identifying attributes and classifying quadrilaterals.

YM

Yuko Motoki

Math Teacher
1/27
Lesson
Detective Briefing Teacher Guide
Case File Slides Presentation
Mystery Number Hunt Game Cards
Evidence Log Worksheet
Evidence Log Answer Key

Number Detectives Mission

Students step into the shoes of Number Detectives to solve a series of mathematical mysteries. This lesson integrates addition and subtraction within 20, place value (tens and ones), and basic shape recognition through a collaborative, game-based approach.

KZ

Kieran Ziegler

Elementary Teacher
1/26
Lesson
Winter Geometry Teacher Notes
Frozen Symmetry Slides
Snow Crystal Lab Report
Snow Crystal Square Template

Frozen Symmetry

A hands-on geometry lesson where 3rd-grade students explore hexagonal symmetry by creating paper snowflakes (snow crystals) and identifying geometric properties like vertices, branches (dendrites), and the central hexagon.

Lenny Avatar
Lenny
1/19
Lesson
Rule Detective Teacher Guide
Sorting Secrets Slides
Attribute Blocks Printable
Rule Hunter Record Sheet

Sorting Rule Detectives

A K-2 lesson where students become 'Sorting Detectives' to discover hidden rules behind grouped objects, using inductive reasoning and attribute blocks.

Lenny Avatar
Lenny
1/19
Lesson
Sky High Slides
Kite Geometry Worksheet
Sky High Teacher Guide

Sky High Shapes

A 1st Grade math lesson where students identify diamond shapes and use non-standard units (linking cubes or paper clips) to measure kite frames based on a kite-building video.

Lenny Avatar
Lenny
1/19
Lesson
Cylinder Surgeon Briefing Guide
Cylinder Surgery Slides
Net Surgeon Operations Worksheet

Cylinder Surgery

A hands-on geometry lesson where students 'perform surgery' on cylinders to discover how their 3D forms relate to 2D nets, specifically connecting circumference to rectangle length.

Lenny Avatar
Lenny
1/19
Lesson
Cube Construction Slides
Unfolding the Cube Worksheet
Blueprint Grid Paper
Cube Construction Teacher Guide
Unfolding the Cube Answer Key

Cube Construction

A hands-on geometry lesson where students discover the surface area of a cube by exploring nets, deriving the formula \(6x^2\), and verifying their calculations through physical modeling.

Lenny Avatar
Lenny
1/19
Lesson
Polygon Patrol Slides
Polygon Patrol Teacher Guide
Shape Sentry Anchor Chart
Prefix Power Worksheet
Rule Breaker Exit Ticket
Polygon Police Badges

Polygon Patrol

A high-energy geometry lesson where students identify polygons by their attributes and Greek prefixes, featuring a 'Polygon Patrol' theme.

Lenny Avatar
Lenny
1/19
Lesson
Shape Scouts Teacher Guide
Shape Scouts Slides
Shape Scouts Checklist Worksheet
Shape Scouts Reference Cards
Shape Scouts Home Hunt Homework

Shape Scouts

A 3rd grade geometry lesson where students become 'Shape Scouts' to identify and document polygons in their environment after watching an interactive educational video.

Lenny Avatar
Lenny
1/19
Lesson
Geometry Lab Teacher Guide
Geometry Lab Slides
Shape Surgeon Worksheet
Decomposition Specimen Printout

Geometry Lab Decomposition

A hands-on remedial lesson focusing on decomposing irregular polygons into simpler shapes (triangles and rectangles) to calculate total area. Students act as 'Shape Surgeons' to physically cut, measure, and reassemble complex figures.

Lenny Avatar
Lenny
1/19
Lesson
Paper Fold Party Teacher Guide
Paper Fold Party Slides
Square Folding Templates
Fraction Folder Journal

Paper Folding Geometry

Students will learn to partition circles and rectangles into two, three, or four equal shares. They will explore how identical wholes can be partitioned into equal shares with different shapes, specifically focusing on dividing squares into fourths in multiple ways.

Lenny Avatar
Lenny
1/19
Lesson
Equal Shares Teacher Guide
Equal Shares Slides
Equal Shares Shape Mats
Equal Shares Chocolate Prop
Pattern Puzzles Activity Sheet

Hands On Equal Shares

A hands-on introductory lesson on equal shares and fractions using chocolate bars, pattern blocks, and interactive video modeling for 1st-3rd grade special education.

Lenny Avatar
Lenny
1/19
Lesson
Pizza Party Teacher Guide
Pizza Party Slides Presentation
Pizza Order Activity Handout
Pizza Chef Practice Worksheet
Pizza Chef Practice Answer Key

Fair Share Pizza Party

A 1st-grade geometry lesson focusing on partitioning circles and rectangles into halves and fourths using a pizza party theme. Includes a hands-on playdough activity and video analysis to distinguish between equal and unequal shares.

Lenny Avatar
Lenny
1/19
Lesson
Grid Builders Teacher Guide
Grid Builders Slides
Grid Master Worksheet
Grid Master Answer Key

Grid Builders

A lesson for 1st and 2nd graders to develop spatial reasoning skills by visualizing and drawing missing grid lines to fill rectangles with squares. Students explore the concept of area through a 'builder' theme, using video observation and hands-on drawing.

Lenny Avatar
Lenny
1/19
Lesson
Quad Squad Teacher Guide
Quad Squad Presentation Slides
Quad Squad Venn Worksheet
Quad Squad Shape Cutouts
Shape Supremacy Paper

Quad Squad Hierarchy

A geometry lesson for grades 5-8 focusing on the hierarchical classification of quadrilaterals, using the inclusive definitions of squares, rectangles, rhombuses, and parallelograms.

Lenny Avatar
Lenny
1/19
Lesson
Solid Squad Teacher Guide
Solid Squad Slides
Solid Squad Image Cards
Solid Squad Sorting Mat
Solid Squad Exit Ticket

Solid Squad

A geometry lesson where students classify solid figures as polyhedrons or non-polyhedrons using real-world architectural examples. Students engage in a tactile warm-up, interactive video viewing, and a sorting activity with written justifications.

Lenny Avatar
Lenny
1/19
Lesson
Blueprint for Bases Teacher Guide
Base Builders Slides
Shape Shifter Lab Sheet
Architects Code Reference Sheet

Base Builders

A lesson where students learn to identify and name prisms and pyramids by their bases. Includes a polygon warm-up, an interactive video viewing, and a hands-on solid-naming game.

Lenny Avatar
Lenny
1/19
Lesson
Net Detectives Facilitator Guide
Net Detectives Presentation Slides
Net Detectives Activity Nets
Shape Showdown Venn Diagram

Net Detectives

A 5th-grade geometry lesson where students explore the structural differences between prisms and pyramids by analyzing their bases and lateral faces using architectural blueprints and paper nets.

Lenny Avatar
Lenny
1/19
Lesson
Shape Museum Worksheet
Dimension Detectives Slides
Shape Bin Labels Printout
Dimension Detectives Teacher Guide

Dimension Detectives

Students investigate the differences between 2D plane figures and 3D solid figures through a 'Shape Museum' sorting activity and real-world object analysis.

Lenny Avatar
Lenny
1/19
Lesson
Shape Shifters Slides
Shape Shifters Teacher Guide
Shape Shifters Student Lab

Shape Shifters

Strengthens geometric reasoning through 'Shape Sort' tasks, focusing on the properties and classification of polygons.

D

dfredericks

Math Teacher
2/5
Lesson
Data Detectives Slides
Data Detectives Teacher Guide
Data Detectives Student Lab

Data Detectives

Develops data literacy through 'Story of a Graph' activities where students connect real-world scenarios to visual representations.

D

dfredericks

Math Teacher
2/5
Lesson
Balance Beam Slides
Balance Beam Teacher Guide
Balance Beam Student Lab

Balance Beam

Explores the meaning of the equals sign and balanced expressions using 'True/False Equations' to move students toward algebraic reasoning.

D

dfredericks

Math Teacher
2/5
Lesson
Fraction Flash Slides
Fraction Flash Teacher Guide
Fraction Flash Student Lab

Fraction Flash

Focuses on fraction fluency and conceptual understanding using 'Quick Images' and 'Number Line Talks' to build a solid foundation in part-to-whole relationships.

D

dfredericks

Math Teacher
2/5
Lesson
Quad Logic Lesson Plan
Paper Quadrilaterals Handout
Venn Diagram Mat Handout

Quad Logic Classification

A lesson on classifying quadrilaterals based on their properties using hierarchies and Venn diagrams, adapted from the Bridges in Mathematics Grade 5 curriculum.

M

Maddi

Elementary Teacher
2/3
Lesson
Mirror Image Teacher Guide
Mirror Image Slides
Mirror Image Worksheet
Mirror Image Answer Key

Mirror Image

Students explore reflections across the x-axis, y-axis, and other lines, learning how to identify line of symmetry and coordinate rules for flipping figures.

M

Maddi

Elementary Teacher
2/3
Lesson
Slide and Glide Teacher Guide
Slide and Glide Slides
Slide and Glide Worksheet
Slide and Glide Answer Key

Slide and Glide

An introduction to translations where students learn to slide figures across the coordinate plane using vector notation and coordinate rules.

M

Maddi

Elementary Teacher
2/3
Lesson
Geometry Motion Teacher Guide
Shape Shifters Slides
Body Blueprints Activity
Polygon Pursuit Game
Dimension Detective Worksheet

Geometry in Motion

Students explore 2D and 3D geometric concepts through physical movement and hands-on modeling. They will identify shape properties, symmetry, and angles by transforming their bodies and building physical structures.

L

lisa.mcintyre

Math Teacher
2/2
Lesson
Border Bosses Teacher Guide
Perimeter Blueprint Anchor Chart
Perimeter Toolkit Organizer
Perimeter Puzzle Task Cards
Perimeter Puzzle Answer Key
Boundary Check Quiz
Boundary Check Quiz Answer Key
Boundary Blitz Task Cards
Boundary Blitz Answer Key
Boundary Boulevard Game Board

Border Bosses

A comprehensive lesson focused on finding the perimeter of regular and irregular polygons, including real-world applications and solving for missing side lengths.

KA

Kelise Antonio

Counselor
1/31
Lesson
Triangle Architects Lesson Plan
Triangle Mastery Slides
Triangle Anchor Chart
Triangle Vocab Cards
Triangle Practice Worksheet
Triangle Architect Quiz

Triangle Architects

A comprehensive lesson on classifying triangles by sides and angles, exploring the Triangle Sum Theorem, and applying the Triangle Inequality Theorem.

BP

Barbara Powderly

Math Teacher
1/28
Lesson
Polygon Patrol Slides
Shape Detective Worksheet
Shape Detective Answer Key
Patrol Briefing Teacher Guide
Focus Patrol Worksheet
Detective Field Guide Reference Sheet

Polygon Patrol

An investigative journey into the world of 2D shapes, focusing on identifying attributes and classifying quadrilaterals.

YM

Yuko Motoki

Math Teacher
1/27
Lesson
Polygon Patrol Slides
Polygon Patrol Teacher Guide
Shape Sentry Anchor Chart
Prefix Power Worksheet
Rule Breaker Exit Ticket
Polygon Police Badges

Polygon Patrol

A high-energy geometry lesson where students identify polygons by their attributes and Greek prefixes, featuring a 'Polygon Patrol' theme.

Lenny Avatar
Lenny
1/19
Lesson
Shape Shifters Slides
Shape Shifters Teacher Guide
Shape Shifters Student Lab

Shape Shifters

Strengthens geometric reasoning through 'Shape Sort' tasks, focusing on the properties and classification of polygons.

D

dfredericks

Math Teacher
2/5
Lesson
Data Detectives Slides
Data Detectives Teacher Guide
Data Detectives Student Lab

Data Detectives

Develops data literacy through 'Story of a Graph' activities where students connect real-world scenarios to visual representations.

D

dfredericks

Math Teacher
2/5
Lesson
Balance Beam Slides
Balance Beam Teacher Guide
Balance Beam Student Lab

Balance Beam

Explores the meaning of the equals sign and balanced expressions using 'True/False Equations' to move students toward algebraic reasoning.

D

dfredericks

Math Teacher
2/5
Lesson
Fraction Flash Slides
Fraction Flash Teacher Guide
Fraction Flash Student Lab

Fraction Flash

Focuses on fraction fluency and conceptual understanding using 'Quick Images' and 'Number Line Talks' to build a solid foundation in part-to-whole relationships.

D

dfredericks

Math Teacher
2/5
Lesson
City Planner Lesson Plan
Metropolis Maker Slides
Urban Grid Worksheet
Metropolis Project Blueprint
Urban Grid Answer Key

Geometric City Planners

A hands-on geometry lesson where students act as urban planners, using 2D and 3D shapes to design a functional city while calculating area and perimeter.

C

cmacneil

School Administrator
2/2
Lesson
Geometry Motion Teacher Guide
Shape Shifters Slides
Body Blueprints Activity
Polygon Pursuit Game
Dimension Detective Worksheet

Geometry in Motion

Students explore 2D and 3D geometric concepts through physical movement and hands-on modeling. They will identify shape properties, symmetry, and angles by transforming their bodies and building physical structures.

L

lisa.mcintyre

Math Teacher
2/2
Lesson
Border Bosses Teacher Guide
Perimeter Blueprint Anchor Chart
Perimeter Toolkit Organizer
Perimeter Puzzle Task Cards
Perimeter Puzzle Answer Key
Boundary Check Quiz
Boundary Check Quiz Answer Key
Boundary Blitz Task Cards
Boundary Blitz Answer Key
Boundary Boulevard Game Board

Border Bosses

A comprehensive lesson focused on finding the perimeter of regular and irregular polygons, including real-world applications and solving for missing side lengths.

KA

Kelise Antonio

Counselor
1/31
Lesson
Triangle Architects Lesson Plan
Triangle Mastery Slides
Triangle Anchor Chart
Triangle Vocab Cards
Triangle Practice Worksheet
Triangle Architect Quiz

Triangle Architects

A comprehensive lesson on classifying triangles by sides and angles, exploring the Triangle Sum Theorem, and applying the Triangle Inequality Theorem.

BP

Barbara Powderly

Math Teacher
1/28
Lesson
Polygon Patrol Slides
Shape Detective Worksheet
Shape Detective Answer Key
Patrol Briefing Teacher Guide
Focus Patrol Worksheet
Detective Field Guide Reference Sheet

Polygon Patrol

An investigative journey into the world of 2D shapes, focusing on identifying attributes and classifying quadrilaterals.

YM

Yuko Motoki

Math Teacher
1/27
Lesson
Detective Briefing Teacher Guide
Case File Slides Presentation
Mystery Number Hunt Game Cards
Evidence Log Worksheet
Evidence Log Answer Key

Number Detectives Mission

Students step into the shoes of Number Detectives to solve a series of mathematical mysteries. This lesson integrates addition and subtraction within 20, place value (tens and ones), and basic shape recognition through a collaborative, game-based approach.

KZ

Kieran Ziegler

Elementary Teacher
1/26
Lesson
Blueprint Lesson Guide
Blueprint Geometry Slides
City Planner Worksheet
Blueprint Check Exit Ticket
Geometry Answer Key
Geometry Anchor Chart Reference
Blueprint Exemplar
Blueprint Station Challenges
Station Answer Key
Mini Station Challenges Worksheet
Station All In One Compact Worksheet
Geometry Station Cards Small Worksheet

Geometry Blueprint Basics

A 30-minute small group intervention focusing on identifying points, lines, line segments, rays, angles, and types of lines (parallel/perpendicular) using a blueprint theme.

LA

Luisa Ambriz Becerra

Math Teacher
1/21
Lesson
Winter Geometry Teacher Notes
Frozen Symmetry Slides
Snow Crystal Lab Report
Snow Crystal Square Template

Frozen Symmetry

A hands-on geometry lesson where 3rd-grade students explore hexagonal symmetry by creating paper snowflakes (snow crystals) and identifying geometric properties like vertices, branches (dendrites), and the central hexagon.

Lenny Avatar
Lenny
1/19
Lesson
Mastery Review Slides
Final Mission Assessment

Navigator Mastery Review

A comprehensive review of computational fluency with decimals and rational number concepts.

D

dfredericks

Math Teacher
2/6
Lesson
Coordinate Map Master Slides
Map Master Worksheet

Coordinate Map Masters

Applying coordinate plane skills to solve geometry problems and map-based tasks.

D

dfredericks

Math Teacher
2/6
Lesson
Mirror Image Slides
Mirror Image Worksheet

Mirror Image Coordinates

Understanding how signs change across axes and recognizing points as reflections of one another.

D

dfredericks

Math Teacher
2/6
Lesson
Quadrant Quest Slides
Map Plotting Worksheet

Four Quadrant Quest

Identifying and plotting points in all four quadrants of the coordinate plane using ordered pairs.

D

dfredericks

Math Teacher
2/6
Lesson
Global Scale Slides
World Ranking Worksheet

Ordering the World

Ordering rational numbers and writing inequality statements to represent real-world comparisons.

D

dfredericks

Math Teacher
2/6
Lesson
Absolute Value Slides
Absolute Value Worksheet

Absolute Value Magnitude

Defining absolute value as magnitude and distance from zero, regardless of direction.

D

dfredericks

Math Teacher
2/6
Lesson
Rational Route Slides
Mapping the Route Worksheet

Rational Number Lines

Placing positive and negative rational numbers (fractions and decimals) on a horizontal and vertical number line.

D

dfredericks

Math Teacher
2/6
Lesson
Below Zero Slides
Opposite Recon Worksheet

Below Zero Explorers

Introducing negative numbers as opposites and using them to represent real-world scenarios like temperature and elevation.

D

dfredericks

Math Teacher
2/6
Lesson
Factor Finder Slides
Factory Floor Worksheet

Factor and Multiple Finder

Finding greatest common factors and least common multiples to solve real-world grouping problems.

D

dfredericks

Math Teacher
2/6
Lesson
Drilling Down Slides
Deep Sea Drills Worksheet

Decimal Division Drills

Focuses on dividing multi-digit decimals using the standard algorithm, specifically handling decimal divisors.

D

dfredericks

Math Teacher
2/6
Lesson
Multiplication Power Slides
Power Surge Worksheet

Decimal Multiplication Power

Focuses on multiplying multi-digit decimals with a focus on place value and the standard algorithm.

D

dfredericks

Math Teacher
2/6
Lesson
Explorer Sums Slides
Supply Run Worksheet

Decimal Sums and Differences

Focuses on adding and subtracting multi-digit decimals using the standard algorithm, set within a budget-tracking context.

D

dfredericks

Math Teacher
2/6
Lesson
Puppy Park Slides
Puppy Park Workbook
Puppy Park Final Blueprint
Puppy Park Teacher Guide

Puppy Park Planner

A comprehensive mathematics performance task focused on the perimeter of rectangles, where students act as architects designing a new community puppy park. The lesson includes a presentation, a student workbook with collaborative and real-world components, and a final project guide.

KA

Kelise Antonio

Counselor
2/5
Lesson
Geometry Motion Teacher Guide
Shape Shifters Slides
Body Blueprints Activity
Polygon Pursuit Game
Dimension Detective Worksheet

Geometry in Motion

Students explore 2D and 3D geometric concepts through physical movement and hands-on modeling. They will identify shape properties, symmetry, and angles by transforming their bodies and building physical structures.

L

lisa.mcintyre

Math Teacher
2/2
Lesson
Border Bosses Teacher Guide
Perimeter Blueprint Anchor Chart
Perimeter Toolkit Organizer
Perimeter Puzzle Task Cards
Perimeter Puzzle Answer Key
Boundary Check Quiz
Boundary Check Quiz Answer Key
Boundary Blitz Task Cards
Boundary Blitz Answer Key
Boundary Boulevard Game Board

Border Bosses

A comprehensive lesson focused on finding the perimeter of regular and irregular polygons, including real-world applications and solving for missing side lengths.

KA

Kelise Antonio

Counselor
1/31
Lesson
Triangle Architects Lesson Plan
Triangle Mastery Slides
Triangle Anchor Chart
Triangle Vocab Cards
Triangle Practice Worksheet
Triangle Architect Quiz

Triangle Architects

A comprehensive lesson on classifying triangles by sides and angles, exploring the Triangle Sum Theorem, and applying the Triangle Inequality Theorem.

BP

Barbara Powderly

Math Teacher
1/28
Lesson
Blueprint Investigators Slides
Blueprint Investigation Worksheet
Final Site Inspection Exit Ticket
Blueprint Investigation Key

Blueprint Investigators

A comprehensive lesson on TEKS 7.11(C) where students investigate geometric blueprints to write and solve algebraic equations based on triangle sums and angle relationships.

W

wesley.thompson

Math Teacher
1/28
Lesson
Polygon Patrol Slides
Shape Detective Worksheet
Shape Detective Answer Key
Patrol Briefing Teacher Guide
Focus Patrol Worksheet
Detective Field Guide Reference Sheet

Polygon Patrol

An investigative journey into the world of 2D shapes, focusing on identifying attributes and classifying quadrilaterals.

YM

Yuko Motoki

Math Teacher
1/27
Lesson
Blueprint Lesson Guide
Blueprint Geometry Slides
City Planner Worksheet
Blueprint Check Exit Ticket
Geometry Answer Key
Geometry Anchor Chart Reference
Blueprint Exemplar
Blueprint Station Challenges
Station Answer Key
Mini Station Challenges Worksheet
Station All In One Compact Worksheet
Geometry Station Cards Small Worksheet

Geometry Blueprint Basics

A 30-minute small group intervention focusing on identifying points, lines, line segments, rays, angles, and types of lines (parallel/perpendicular) using a blueprint theme.

LA

Luisa Ambriz Becerra

Math Teacher
1/21
Lesson
Geometry Junction Quiz Worksheet
Geometry Junction Answer Key

Geometry Junction Assessment

A short assessment focusing on identifying parallel and perpendicular lines, and determining lines of symmetry in 2-D figures.

TC

Tracey Craft

Science Teacher
1/21
Lesson
Constellation Mapper Worksheet
Celestial Coordinates Slides
Sky Guide Teacher Resource

Celestial Coordinates

Students will apply their knowledge of coordinate grids to map the constellations mentioned in the 'Patterns in the Night Sky' video. They will plot specific (x,y) coordinates for Ursa Major (Big Dipper) and Orion, measure angles between stars using protractors, and calculate light-year distances using a simplified scale.

Lenny Avatar
Lenny
1/19
Lesson
Path Finders Lesson Guide
Path Finders Presentation Slides
Anchor Chart Assemblage Kit
Path Finders Reference Sheet

Path Finders

A high-energy geometry lesson where 3rd graders decode the secrets of lines, line segments, and rays using a "super trick" and collaborative poster creation.

Lenny Avatar
Lenny
1/19
Lesson
Detective Briefing Teacher Guide
Point and Arrow Slides
Geometry Detectives Worksheet

Geometry Detectives

A 3rd-grade geometry lesson where students become 'Geometry Detectives' to identify lines, line segments, and rays using a specific counting trick. The lesson includes a video-guided instructional phase and a hands-on identification activity.

Lenny Avatar
Lenny
1/19
Lesson
Line Legends Slides
Line Legends Teacher Guide
Line Legends Worksheet
Geometry Flashcards Template

Line Legends

A lesson introducing 4th grade students to lines, line segments, and rays using a "super trick" involving arrows and endpoints. Students practice drawing and identifying these figures through a fast-paced 'Simon Says' activity.

Lenny Avatar
Lenny
1/19
Lesson
Geometry Groove Slides
Shape Flex Exit Ticket
Body Builders Activity Card
Geometry Jam Teacher Guide

Geometry in Motion

A high-energy, movement-based lesson where students use their bodies to model geometric concepts like lines, line segments, and rays, featuring a game-show style video and group collaboration.

Lenny Avatar
Lenny
1/19
Lesson
Ray City Teacher Guide
Ray City Slides
Skyline Sketchpad Worksheet
Skyline Scoring Rubric

Ray City Skyline

Students learn to identify and draw lines, line segments, and rays by creating a "Ray City" skyline art project, using a geometric "secret trick" to classify shapes based on endpoints and arrows.

Lenny Avatar
Lenny
1/19
Lesson
Proof Architects Lesson Plan Teacher Resource
Proof Architects Blueprint Activity Student Document
Proof Architects Presentation Slides

Proof Architects

A lesson for advanced math students focusing on 'backward design' proof strategies, using a triangle median/altitude problem to demonstrate analytical thinking.

Lenny Avatar
Lenny
1/19
Lesson
Polygon Patrol Slides
Polygon Patrol Teacher Guide
Shape Sentry Anchor Chart
Prefix Power Worksheet
Rule Breaker Exit Ticket
Polygon Police Badges

Polygon Patrol

A high-energy geometry lesson where students identify polygons by their attributes and Greek prefixes, featuring a 'Polygon Patrol' theme.

Lenny Avatar
Lenny
1/19
Lesson
Poly Animal Presentation
Poly Animal Worksheet
Poly Animal Rubric
Poly Animal Teacher Guide

Poly Animal Art

Students explore geometry through art by creating 'Poly-Animals' using specific polygons. The lesson incorporates a rhythmic polygon song to reinforce vocabulary and prefixes for 3 to 10-sided shapes.

Lenny Avatar
Lenny
1/19
Lesson
Shape Squad Teacher Guide
Shape Squad Slides
Quadrilateral Family Tree Worksheet
Shape Snippet Cutouts
Shape Reflections Journal

Shape Squad Quadrilateral Quest

A 4th-grade geometry lesson where students explore the 'Quadrilateral' category using a catchy song and a hands-on classification activity. Students will build a hierarchy to understand how squares, rectangles, and other 4-sided shapes all belong to the same geometric family.

Lenny Avatar
Lenny
1/19
Lesson
Polygon Pulse Teacher Guide
Polygon Pulse Presentation Slides
Polygon Remix Activity Sheet

Polygon Pulse

A high-energy geometry lesson that uses music, movement, and creative songwriting to help students master geometric prefixes (tri- to deca-) and the definition of polygons.

Lenny Avatar
Lenny
1/19
Lesson
Shape Scouts Teacher Guide
Shape Scouts Slides
Shape Scouts Checklist Worksheet
Shape Scouts Reference Cards
Shape Scouts Home Hunt Homework

Shape Scouts

A 3rd grade geometry lesson where students become 'Shape Scouts' to identify and document polygons in their environment after watching an interactive educational video.

Lenny Avatar
Lenny
1/19
Lesson
Mastery Review Slides
Final Mission Assessment

Navigator Mastery Review

A comprehensive review of computational fluency with decimals and rational number concepts.

D

dfredericks

Math Teacher
2/6
Lesson
Coordinate Map Master Slides
Map Master Worksheet

Coordinate Map Masters

Applying coordinate plane skills to solve geometry problems and map-based tasks.

D

dfredericks

Math Teacher
2/6
Lesson
Mirror Image Slides
Mirror Image Worksheet

Mirror Image Coordinates

Understanding how signs change across axes and recognizing points as reflections of one another.

D

dfredericks

Math Teacher
2/6
Lesson
Quadrant Quest Slides
Map Plotting Worksheet

Four Quadrant Quest

Identifying and plotting points in all four quadrants of the coordinate plane using ordered pairs.

D

dfredericks

Math Teacher
2/6
Lesson
Global Scale Slides
World Ranking Worksheet

Ordering the World

Ordering rational numbers and writing inequality statements to represent real-world comparisons.

D

dfredericks

Math Teacher
2/6
Lesson
Absolute Value Slides
Absolute Value Worksheet

Absolute Value Magnitude

Defining absolute value as magnitude and distance from zero, regardless of direction.

D

dfredericks

Math Teacher
2/6
Lesson
Rational Route Slides
Mapping the Route Worksheet

Rational Number Lines

Placing positive and negative rational numbers (fractions and decimals) on a horizontal and vertical number line.

D

dfredericks

Math Teacher
2/6
Lesson
Below Zero Slides
Opposite Recon Worksheet

Below Zero Explorers

Introducing negative numbers as opposites and using them to represent real-world scenarios like temperature and elevation.

D

dfredericks

Math Teacher
2/6
Lesson
Factor Finder Slides
Factory Floor Worksheet

Factor and Multiple Finder

Finding greatest common factors and least common multiples to solve real-world grouping problems.

D

dfredericks

Math Teacher
2/6
Lesson
Drilling Down Slides
Deep Sea Drills Worksheet

Decimal Division Drills

Focuses on dividing multi-digit decimals using the standard algorithm, specifically handling decimal divisors.

D

dfredericks

Math Teacher
2/6
Lesson
Multiplication Power Slides
Power Surge Worksheet

Decimal Multiplication Power

Focuses on multiplying multi-digit decimals with a focus on place value and the standard algorithm.

D

dfredericks

Math Teacher
2/6
Lesson
Explorer Sums Slides
Supply Run Worksheet

Decimal Sums and Differences

Focuses on adding and subtracting multi-digit decimals using the standard algorithm, set within a budget-tracking context.

D

dfredericks

Math Teacher
2/6
Lesson
Symmetry Scouts Slides
Symmetry Scouts Worksheet
Symmetry Scouts Teacher Guide

Symmetry Scouts Reflections

Investigates reflections across axes in the coordinate plane and identifies patterns in ordered pairs.

D

dfredericks

Math Teacher
2/6
Lesson
Grid Quest Slides
Grid Quest Worksheet
Grid Quest Teacher Guide

Grid Quest Coordinate Plane

Maps points in all four quadrants of the coordinate plane and identifies the meaning of signs in ordered pairs.

D

dfredericks

Math Teacher
2/6
Lesson
Decimal Drive Slides
Decimal Drive Worksheet
Decimal Drive Teacher Guide

Decimal Drive Multiplication Division

Develops fluency in multiplying and dividing multi-digit decimals using the standard algorithm.

D

dfredericks

Math Teacher
2/6
Lesson
Magnitude Maps Slides
Magnitude Maps Worksheet
Magnitude Maps Teacher Guide

Magnitude Maps Absolute Value

Explores the concepts of absolute value and ordering rational numbers in real-world contexts like temperature and elevation.

D

dfredericks

Math Teacher
2/6
Lesson
Point Pursuit Slides
Point Pursuit Worksheet
Point Pursuit Teacher Guide

Point Pursuit Number Lines

Introduces rational numbers as points on a number line, including negative values and fractional parts.

D

dfredericks

Math Teacher
2/6
Lesson
Decimal Dash Slides
Decimal Dash Worksheet
Decimal Dash Teacher Guide

Decimal Dash Addition Subtraction

Focuses on fluently adding and subtracting multi-digit decimals using the standard algorithm through a real-world budgeting scenario.

D

dfredericks

Math Teacher
2/6
Lesson
Shape Slicer Slides
Shape Slicer Worksheet
Shape Slicer Teacher Guide

Shape Slicer

Students find the area of complex polygons by "slicing" them into familiar rectangles and triangles, reinforcing the additive property of area.

D

dfredericks

Math Teacher
2/6
Lesson
Grid Maps Slides
Grid Maps Worksheet
Grid Maps Teacher Guide

Grid Maps

Students use the coordinate plane to plot shapes and find horizontal and vertical side lengths, connecting grid units to area calculations.

D

dfredericks

Math Teacher
2/6
Lesson
Target TSIA2 Math Worksheet
Target TSIA2 Math Key

TSIA2 Target Practice

A comprehensive 20-question practice test and answer key designed to prepare students for the TSIA2 Mathematics assessment, focusing on algebraic, geometric, and statistical reasoning.

JW

Jessica Waters

Math Teacher
1/21
Lesson
Foreman Instructional Guide
Blueprint Prediction Worksheet
Architect Presentation Slides
Blueprint Answer Key

Formula Architects

A lesson focused on bridging the gap between prism and cylinder surface area formulas using the Pause and Predict method. Students analyze a video to discover how circular bases and circumferences transform the standard SA formula.

Lenny Avatar
Lenny
1/19
Lesson
Rhythmic Recitation Teacher Guide
Formula Remix Slides
Rhyme and Reason Worksheet

Formula Remix

Students will learn to use rhythm, rhyme, and mnemonics to memorize mathematical formulas, specifically focusing on the circumference of a circle before writing their own mathematical verses.

Lenny Avatar
Lenny
1/19
Lesson
Cube Clash Slides
Formula Sort Cards
Cube Clash Worksheet
Cube Architect Teacher Guide

Cube Clash Surface Area vs Volume

A 7th-grade geometry lesson where students distinguish between surface area and volume through a visual video analysis, a variable-sorting activity, and comparative calculations.

Lenny Avatar
Lenny
1/19
Lesson
Pyramid Quest Slides
Tetrahedron Challenge Worksheet
Triangular Tactics Discussion Cards
Pyramid Quest Answer Key

Pyramid Quest

A high school geometry lesson focused on calculating the volume and surface area of triangular pyramids, featuring a group challenge and a video walkthrough.

Lenny Avatar
Lenny
1/19
Lesson
Pyramid Volume Presentation Slides
Pyramid Volume Worksheet
Pyramid Volume Exit Ticket
Pyramid Volume Teacher Guide

Pyramid Volume Blueprint

A 7th-grade math lesson focused on calculating the volume of square-based pyramids. Students move from conceptual prediction to formula application and algebraic problem-solving using the formula V = 1/3Bh.

Lenny Avatar
Lenny
1/19
Lesson
Pyramid Packaging Design Sheet
Pyramid Packaging Rubric
Pyramid Packaging Slides
Pyramid Packaging Teacher Guide

Pyramid Packaging Design

A hands-on geometry lesson where students design a pyramid-shaped product package, applying volume and surface area formulas to meet real-world constraints.

Lenny Avatar
Lenny
1/19
Lesson
Radical Dimensions Slides
Cube Crusher Worksheet
Radical Geometry Anchor Chart
Cube Crusher Answer Key

Radical Dimensions

A 10th-grade geometry lesson that connects radical simplification to 3D geometry by deriving and applying the formula for a cube's space diagonal. Students transition from decimal approximations to exact radical expressions through the Pythagorean Theorem.

Lenny Avatar
Lenny
1/19
Lesson
Blueprint Formula Reference Sheet
Composite Challenge Slides
Composite Challenge Worksheet
Composite Challenge Answer Key
Mission Briefing Teacher Guide

Deconstructing 3D Designs

Students will learn to calculate the volume and surface area of composite 3D shapes by decomposing them into basic geometric figures. This lesson uses a comprehensive video guide to establish formula fluency before applying it to complex 'blueprint' challenges.

Lenny Avatar
Lenny
1/19
Lesson
Volume Voyage Worksheet
Dimension Detectives Slides
Formula Finder Teacher Guide
Dimension Detectives Answer Key

Dimension Detectives

Students investigate the volume of cylinders, cones, and spheres through a hands-on scavenger hunt using real-world objects and video-based formula derivation.

Lenny Avatar
Lenny
1/19
Lesson
Volume Shuffle Slides
Volume Scramble Worksheet
Volume Shuffle Exit Ticket
Volume Shuffle Teacher Guide

Volume Shuffle

A 5th-grade geometry lesson exploring how the Associative and Commutative Properties of multiplication apply to volume, demonstrating that changing the order of dimensions does not change the result.

Lenny Avatar
Lenny
1/19
Lesson
Dimension Detectives Teacher Guide
Dimension Detectives Slides
Label the World Worksheet
Label the World Answer Key
Unit Sort Cards

Dimension Detectives

A 5th-grade geometry lesson where students distinguish between linear, square, and cubic units through a hands-on hook, a focused video analysis of volume, and a 'Label the World' calculation activity.

Lenny Avatar
Lenny
1/19
Lesson
Box Boss Teacher Guide
Box Boss Slides
Box Boss Design Brief Handout
Box Boss Blueprint Grid Paper
Box Boss Answer Key

Box Boss

A 6th-grade math lesson where students apply multi-digit multiplication to calculate volume and act as packaging engineers to design custom containers.

Lenny Avatar
Lenny
1/19
Lesson
Space Savers Slides
Space Savers Worksheet
Space Savers Teacher Guide

Space Savers

Students will learn to calculate the volume of rectangular prisms using the formula V = l × w × h through a guided video exploration and a hands-on classroom scavenger hunt.

Lenny Avatar
Lenny
1/19
Lesson
Dimension Dilemma Teacher Guide
Dimension Dilemma Slides
Dimension Dilemma Lab Sheet
Dimension Dilemma Answer Key

Dimension Dilemma

A lesson exploring how scaling dimensions affects the volume of rectangular prisms, focusing on fractional edge lengths and the factor of 8 volume shift.

Lenny Avatar
Lenny
1/19
Lesson
Dimension Detectives Slides
Working Backward Problem Set
Derivation Workshop Teacher Guide
Geometric Insights Exit Ticket

Dimension Detectives

Students will learn to derive dimensions from given volume or surface area and understand the relationship between a cube's diagonal and its side length through visual proofs and 'reverse' calculations.

Lenny Avatar
Lenny
1/19
Lesson
Precision Lab Worksheet
Precision Lab Slides
Precision Lab Answer Key
Calculator Pro Guide

Precision Lab Volume

Students explore the distinction between exact answers in terms of Pi and decimal approximations through volume calculations of cylinders, cones, and spheres. The lesson features a video-guided tutorial followed by a collaborative 'Precision Lab' activity where students audit their rounding errors.

Lenny Avatar
Lenny
1/19
Lesson
Shipping Expert Teacher Guide
Box Logic Slides
Volume Mission Card
Blueprint Grid Paper

Package Pro

A hands-on geometry lesson where students act as packaging engineers to design rectangular prisms with specific volume targets, focusing on the real-world application of $V = l \times w \times h$.

Lenny Avatar
Lenny
1/19
Lesson
Dimension Detectives Slides
Dimension Log Worksheet
Mission Debrief Exit Ticket

Dimension Detectives

A comprehensive 8th-grade math lesson where students investigate the volume of cylinders, cones, and spheres through video analysis and hands-on measurement stations.

Lenny Avatar
Lenny
1/19
Lesson
Cube Quest Teacher Guide
Cube Quest Slides
Cube Constructors Worksheet
Volume Check Exit Ticket
Cube Quest Answer Key

Cube Quest

A hands-on introduction to volume where students build physical cubes using snap cubes and learn to calculate volume using the side-cubed formula.

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Lenny
1/19
Lesson
Slope Park Slides
Slope Park Blueprint Worksheet
Slope Park Rubric
Slope Park Teacher Guide

Slope Park Architects

Students design a custom skate park or amusement park on a coordinate grid, applying their knowledge of positive and negative slopes to create functional 'Slope Park' features. This lesson integrates art and engineering with 8th-grade geometry standards.

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Lenny
1/19
Lesson
Distance Blueprint Slides
Prove It Activity
Distance Facilitation Guide
Proof Precision Rubric

Distance Detectives

Students will derive the distance formula from the Pythagorean Theorem and apply it to classify triangles on a coordinate plane. The lesson includes a video-based derivation, guided practice, and a 'Prove It' challenge where students use coordinates to identify triangle types.

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Lenny
1/19
Lesson
Pathfinder Teacher Guide
Point to Point Slides
Coordinate Quest Worksheet
Direct Route Exit Ticket

Point to Point

Students will master the distance formula by substituting coordinates to find segment lengths, featuring a collaborative relay activity and video-guided practice.

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Lenny
1/19
Lesson
Radius Recon Slides
Detective Academy Teacher Guide
Circle Detectives Worksheet
Grid Ops Sheet Graph Paper
Circle Detective Answer Key

Circle Detective Academy

A 9th-grade Algebra I lesson where students use the distance formula to determine the radius and area of circles from coordinate pairs. Includes a detective-themed activity and video analysis.

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Lenny
1/19
Lesson
Distance Lab Presentation
Distance Error Cards
Distance Lab Report
Distance Lab Answer Key
Distance Lab Teacher Guide

Distance Formula Error Lab

A specialized lesson for Algebra Support focusing on identifying and correcting common sign and arithmetic errors within the distance formula, featuring video-guided instruction and station-based error analysis.

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Lenny
1/19
Lesson
Blueprint Presentation Slides
Geometry Problem Set
Coordinate Grid Paper

Blueprint Geometry

A 10th-grade geometry lesson focusing on using point-slope form to define triangle sides and constructing parallel lines. Students use coordinate geometry to analyze shapes and reinforce their understanding of linear relationships.

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Lenny
1/19
Lesson
Isometry Investigators Worksheet
Distance Formula Reference Sheet
Motion Lab Slides
Isometry Investigators Teacher Guide
Isometry Investigators Answer Key

Motion Lab Isometry Investigation

A high school geometry lesson exploring rigid transformations, focusing on the concept of isometry and using the distance formula to mathematically prove congruence after a translation.

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Lenny
1/19
Lesson
Complex Origins Slides
Modulus Mapping Worksheet
Complex Plane Paper Case Study
Complex Origins Teacher Guide
Modulus Mapping Answer Key

Complex Origins

Students explore the geometric representation of complex numbers, connecting the modulus formula to the Pythagorean theorem and distance formula through visualization and practice.

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Lenny
1/19
Lesson
Symmetry Hunters Worksheet
Symmetry Hunters Slides

Symmetry Hunters

A lesson focused on finding the axis of symmetry of a parabola using the midpoint of its x-intercepts, featuring mental math warm-ups, a guided video analysis, and a 'Symmetry Hunters' practice activity.

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Lenny
1/19
Lesson
Graph Clinic Slides
Graph Doctor Worksheet
Graph Clinic Teacher Guide

Graph Clinic

A remedial math lesson focused on identifying and correcting common mistakes when graphing linear equations in slope-intercept form. Students act as 'Graph Doctors' to diagnose and fix errors in pre-drawn graphs.

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Lenny
1/19
Lesson
Blueprint Breakout Worksheet
Blueprint Breakout Station Cards
Blueprint Breakout Exit Ticket
Blueprint Breakout Slides
Blueprint Breakout Teacher Key

Blueprint Breakout Rhombus Logic

A high-school geometry lesson focusing on applying algebraic methods (linear and quadratic equations) to solve for unknown properties of rhombuses. Students will watch a targeted video, participate in a station-based circuit activity, and reflect on the validity of multiple solutions in geometric contexts.

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Lenny
1/19
Lesson
Slope Streets Slides
City Planner Worksheet
Blueprint Graph Paper
Slope Streets Rubric
Slope Streets Teacher Guide

Slope Streets Design

Students will design a city map using parallel and perpendicular streets, applying slope-intercept form and slope relationship rules to prove their geometric accuracy.

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Lenny
1/19
Lesson
Slope Secrets Slides
Red Pen Worksheet
Red Pen Answer Key
Slope Secrets Teacher Guide

Slope Investigator

A high school geometry review lesson focused on identifying parallel and perpendicular lines through slope analysis and error correction. Students practice converting linear equations and use "Red Pen" analysis to debug common algebraic misconceptions.

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Lenny
1/19
Lesson
Slope Detectives Slides
Slope Detectives Worksheet
Slope Detectives Exit Ticket
Slope Detectives Answer Key

Slope Detectives

Students will investigate linear equations to determine if they are parallel, perpendicular, or neither by analyzing their slopes. This lesson includes a visual warm-up, a video-based discussion, a 'Slope Detectives' worksheet for practice, and an exit ticket for assessment.

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Lenny
1/19
Lesson
Corner Proof Slides
Corner Proof Worksheet
Corner Proof Graph Paper
Corner Proof Teacher Guide
Corner Proof Answer Key

Right Angle Proofs

Students explore the algebraic relationship between perpendicular lines by calculating slopes of triangles on a coordinate plane to prove the existence of right angles.

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Lenny
1/19
Lesson
Slope Showdown Slides
Equation Matchup Cards
Slope Discussion Cards
Equation Matchup Sheet
Slope Showdown Teacher Guide

Slope Showdown

Students will learn to identify and write equations for lines that are parallel, perpendicular, or neither by analyzing slopes and applying the 'flip and switch' negative reciprocal rule.

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Lenny
1/19
Lesson
Point Pursuit Presentation Slides
Point Pursuit Activity Sheet
Point Pursuit Reflection Journal
Point Pursuit Master Key

Point Pursuit

A 9th-grade algebra lesson focused on deriving the equations of horizontal and vertical lines from a single intersection point without relying on grid lines or counting boxes.

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Lenny
1/19
Lesson
Quadratic Geometry Slides
Quadratic Geometry Worksheet
Geometric Reflection Journal
Geometric Mean Answer Key

Quadratic Geometry Connections

A high-school geometry lesson exploring the intersection of the Altitude on Hypotenuse Theorem and quadratic equations, focusing on algebraic modeling and the rejection of extraneous solutions.

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Lenny
1/19
Lesson
Shape Proof Teacher Guide
Coordinate Detectives Slides
Shape Proof Worksheet
Coordinate Grid Paper Handout

Coordinate Detectives

Students will apply coordinate geometry to prove shapes are rectangles by calculating slopes and identifying opposite reciprocals. The lesson includes a video review of perpendicularity and a hands-on proof task.

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Lenny
1/19
Lesson
Urban Geometry Teacher Guide
Slope Streets Slides
City Blueprint Handout
Street Sign Cards

Slope Streets

A 9th-grade algebra lesson where students explore parallel and perpendicular slopes using a city map hook, video instruction, and an interactive equation card-matching activity.

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Lenny
1/19
Lesson
Math Blueprint Slides
Formula Arsenal Flashcards
Math Navigator Guide
Algebra Arsenal Worksheet
Geometry Grid Worksheet
Mastery Key Teacher Guide

Math Mastery

A comprehensive ACT Math preparation module focusing on core concepts, time management strategies, and targeted practice across all test categories.

KH

Katie Heck

Counselor
1/27
Lesson
Planetary Math Teacher Guide
Orbital Area Slides
Eccentric Areas Worksheet

Planetary Math

A 10th-grade geometry lesson that bridges the gap between circle area and planetary motion. Students use the string-and-pin method to construct ellipses, verify the area formula \(A = \pi ab\), and explore Kepler's Second Law.

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Lenny
1/19
Lesson
Orbital Mechanics Teacher Guide
Cosmic Curves Slides
Moon Mechanics Worksheet
Moon Mechanics Answer Key
Starry Grid Paper

Orbital Mechanics

Students will explore the geometric definition of an ellipse as a locus of points, applying this to understand planetary orbits. They will use real-world orbital data to calculate distances and determine the eccentricity of the Moon's path.

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Lenny
1/19
Lesson
Root Runners Worksheet
Root Runners Slides
Root Runners Teacher Guide

Root Runners

A lesson focused on factoring quadratic trinomials to find x-intercepts and using those intercepts to sketch parabolas. Students explore the relationship between algebraic factors and geometric roots through video analysis and hands-on graphing.

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Lenny
1/19
Lesson
Parabola Pilot Lesson Plan
Vertex Voyager Handout
Gate Master Exit Ticket
Parabola Pilot Presentation Slides
Parabola Pilot Answer Key

Parabola Pilot

A comprehensive Algebra I lesson focused on the Vertex Form of quadratic functions, using video analysis and a creative Desmos activity to master the roles of variables a, h, and k.

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Lenny
1/19
Lesson
Conic Detective Worksheet
Conic Investigations Presentation

Conic Investigations

A lesson for 11th Grade Algebra II focusing on identifying conic sections from their general equations and graphing parabolas using focus and directrix. Includes a video-based presentation and a 'Conic Detective' investigative worksheet.

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Lenny
1/19
Lesson
Ellipse Engine Slides
Ellipse Engine Worksheet
Ellipse Engine Station Cards
Ellipse Engine Teacher Guide

Ellipse Engine

A high school math lesson focused on constructing standard form equations for ellipses using graphical features such as the center, major/minor axes, and vertex coordinates. Students engage with video demonstrations and a 'Graph to Math' rotation activity to solidify their understanding.

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Lenny
1/19
Lesson
Conic Blueprint Guide
Conic Cracker Slides
Transforming Conics Workshop Activity
Standard Form Snap Exit Ticket
Conic Solution Key Teacher Reference

Conic Shape Shifters

This lesson focuses on converting general conic equations to standard form using the 'completing the square' method. Students will watch targeted instructional clips, participate in a collaborative workshop, and demonstrate mastery through an exit ticket.

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Lenny
1/19
Lesson
Hyperbola Anatomy Anchor Chart
Hyperbola Hunt Worksheet
Hyperbola Hunt Slides

Hyperbola Hunt

A comprehensive lesson on hyperbola properties, focusing on calculating foci, determining asymptote equations via the fundamental rectangle, and converting between general and standard forms. Includes a video-guided tutorial and a 'Hyperbola Hunters' graphing activity.

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Lenny
1/19
Lesson
Circle Equations Worksheet
Diameter Discovery Slides
Coordinate Grid Paper
Diameter Discovery Teacher Guide

Diameter Discovery

A Pre-Calculus lesson where students use the distance and midpoint formulas to derive the standard form equation of a circle from its diameter endpoints.

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Lenny
1/19
Lesson
Parabola Blueprint Slides
Parabola Blueprint Worksheet
Parabola Blueprint Exit Ticket

Parabola Blueprint

A foundational lesson for 8th and 9th-grade algebra students focusing on identifying the structural components of a parabola (vertex, axis of symmetry, x-intercepts) using a standard form equation and visual graphs. Students explore the necessity of multiple points for graphing and connect algebraic coefficients to geometric features.

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Lenny
1/19
Lesson
Parabola Pilots Slides
Parabola Pilots Worksheet
Parabola Pilots Graph Paper
Parabola Pilots Teacher Guide

Parabola Pilots

A comprehensive lesson on graphing quadratic functions in standard form by manually calculating the vertex, intercepts, and using symmetry. Students follow a structured workflow: vertex formula, factoring for roots, and identifying the y-intercept.

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Lenny
1/19
Lesson
Sideways World Slides
Sideways World Activity
Sideways World Teacher Blueprint

Sideways World

A Pre-Calculus lesson where students explore horizontal parabolas (sideways parabolas) using vertex form equations, graphing by hand, and verifying results with Desmos.

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Lenny
1/19
Lesson
Circle Blueprinting Slides
Circle Designer Worksheet
Circle Designer Key
Blueprinting Facilitator Guide

Circle Blueprinting

Students master writing circle equations by translating geometric constraints into standard form. The lesson features a video-guided substitution method and a creative 'Circle Designer' challenge where students sketch and verify each other's work.

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Lenny
1/19
Lesson
Circle Blueprint Slides
Circle Blueprint Worksheet
Precision Grid Paper
Circle Slip Exit Ticket
Circle Blueprint Teacher Guide

Circle Blueprint

Students will master the standard equation of a circle, learning to extract the center and radius to create accurate geometric graphs. The lesson uses a 'blueprint' theme to emphasize precision and analytical geometry.

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Lenny
1/19
Lesson
Vertex Detective Worksheet
Symmetry Secrets Slides
Vertex Detective Key

Symmetry Secrets

Students will learn to distinguish between vertical and horizontal parabolas, extract the vertex from vertex form, and determine the equation for the axis of symmetry.

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Lenny
1/19
Lesson
Circle Blueprints Teacher Guide
Circle Blueprints Presentation
Circle Blueprints Worksheet
Circle Blueprints Discussion Cards
Circle Blueprints Algebra Tiles

Circle Blueprint Transformation

Students master the algebraic process of completing the square to convert circle equations from general form to standard form, connecting algebraic manipulation to geometric graphing.

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Lenny
1/19
Lesson
Circle Blueprints Slides
Unity of Math Journal Prompts
Blueprint Workspace Whiteboard
Circle Blueprints Teacher Guide

Circle Blueprints

Students explore the deep connection between algebraic manipulations like completing the square and the geometric transformation of conic sections, using circles as the primary model.

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Lenny
1/19
Lesson
Circle Canvas Design Guide
Circle Canvas Slides
Circle Canvas Rubric
Circle Canvas Instructor Guide

Circle Canvas

A creative mathematics lesson where students apply their knowledge of circle equations to design digital art using graphing calculators. Students learn to shift centers and adjust radii to create complex images from simple geometric formulas.

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Lenny
1/19
Lesson
Parabola Park Teacher Guide
Parabola Park Slides
Vertex Vision Cornell Notes
Parabola Park Blueprint
Parabola Park Rubric

Parabola Park Design

Students explore the relationship between the algebraic structure of vertex form and geometric transformations by designing a 'Parabola Park' blueprint. They will analyze a video, take Cornell notes, and apply their knowledge of a, h, and k to create paths with specific widths and positions.

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Lenny
1/19
Lesson
Cylinder Surgeon Briefing Guide
Cylinder Surgery Slides
Net Surgeon Operations Worksheet

Cylinder Surgery

A hands-on geometry lesson where students 'perform surgery' on cylinders to discover how their 3D forms relate to 2D nets, specifically connecting circumference to rectangle length.

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Lenny
1/19
Lesson
Cylinder Blueprint Slides
Formula Translator Activity
Algebraic Surface Area Exit Ticket
Cylinder Blueprint Teacher Guide

Cylinder Blueprint

Students will derive the surface area formula for cylinders by mapping the general prism formula (S = 2B + Ph) to circular components, using a visual net-based approach.

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Lenny
1/19
Lesson
Foreman Instructional Guide
Blueprint Prediction Worksheet
Architect Presentation Slides
Blueprint Answer Key

Formula Architects

A lesson focused on bridging the gap between prism and cylinder surface area formulas using the Pause and Predict method. Students analyze a video to discover how circular bases and circumferences transform the standard SA formula.

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Lenny
1/19
Lesson
Cylinder Lab Slides
Packaging Design Worksheet
Engineer Reference Sheet
Packaging Design Key
Cylinder Lab Teacher Guide

Cylinder Blueprint Lab

A middle school geometry lesson where students explore the surface area of cylinders through the lens of packaging engineering, distinguishing between lateral and total surface area.

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Lenny
1/19
Lesson
Box Boss Teacher Guide
Perfect Fit Slides
Gift Wrap Challenge Worksheet
Perfect Fit Exit Ticket

Perfect Fit Packaging

Students will derive and apply the surface area formula for cubes to solve real-world packaging challenges. Through a hands-on 'Gift Wrap Challenge,' they will measure physical objects and calculate precise paper requirements to prove their mathematical accuracy.

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Lenny
1/19
Lesson
Cube Construction Slides
Unfolding the Cube Worksheet
Blueprint Grid Paper
Cube Construction Teacher Guide
Unfolding the Cube Answer Key

Cube Construction

A hands-on geometry lesson where students discover the surface area of a cube by exploring nets, deriving the formula \(6x^2\), and verifying their calculations through physical modeling.

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Lenny
1/19
Lesson
Pie Power Presentation Slides
Color Slices Worksheet
Pie Chart Pro Anchor Chart

Pie Power

A 5th-grade math lesson where students learn to interpret table data and construct pie charts through a class color poll and estimation techniques.

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Lenny
1/19
Lesson
Net Detectives Facilitator Guide
Net Detectives Presentation Slides
Net Detectives Activity Nets
Shape Showdown Venn Diagram

Net Detectives

A 5th-grade geometry lesson where students explore the structural differences between prisms and pyramids by analyzing their bases and lateral faces using architectural blueprints and paper nets.

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Lenny
1/19
Lesson
Radical Shortcut Lesson Plan
Radical Shortcut Presentation
Shortcut Lab Activity Sheet
Shortcut Lab Answer Key

Radical Shortcut Lab

A high-intensity SAT/ACT prep lesson focused on the 45-45-90 special right triangle. Students learn to identify hidden triangles in circles and squares to solve complex geometry problems using rapid radical shortcuts.

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Lenny
1/19
Lesson
Shrink Ray Slides
Shrink Ray Lab Worksheet
Shrink Ray Teacher Guide

Scale Model Dilations

Students will learn the mechanics of dilations using the formula Preimage * Scale Factor = Image. They will apply this to a hands-on 'Shrink Ray' activity where they measure classroom objects and calculate the dimensions for a scaled-down miniature model.

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Lenny
1/19
Lesson
Area Architects Teacher Guide
Area Architects Slides
Area Architects Worksheet
Square Tile Manipulatives
Blueprint Grid Paper

Area Architects

Students will transition from counting square units to using the area formula (Length x Width) through a hands-on 'Area Architects' drafting activity and visual analysis.

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Lenny
1/19
Lesson
Pyramid Blueprint Anchor Chart
Pyramid Architect Slides
Net Worth Worksheet
Net Worth Answer Key

Pyramid Architect

Students will distinguish between height and slant height and calculate the surface area of a square pyramid through video analysis, visual aids, and a sketching-based activity called 'Net Worth'.

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Lenny
1/19
Lesson
Corner to Corner Slides
Corner to Corner Worksheet
Blueprint Graph Paper
Corner to Corner Teacher Guide
Corner to Corner Slides Revised

Corner to Corner

Students move from 2D to 3D geometry by deriving the space diagonal formula for cubes and rectangular prisms using the Pythagorean theorem. The lesson includes a video-based derivation for cubes and a workshop where students generalize the formula for any rectangular prism.

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Lenny
1/19
Lesson
Inner Geometry Teacher Guide
Inner Geometry Slides
Inner Geometry Discovery Worksheet
Inner Geometry Cube Net

Inner Geometry

A 9th Grade Honors Geometry lesson focused on visualizing and calculating face and space diagonals in 3D cubes through physical modeling, video derivation, and algebraic analysis.

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Lenny
1/19
Lesson
Cube Diagonal Lesson Plan
Cube Diagonal Presentation Slides
Cube Diagonal Worksheet
Cube Diagonal Answer Key

Cube Diagonal Angles

A lesson focused on 3D trigonometry where students derive the space diagonal of a cube and use trigonometric ratios to find the constant angle of elevation, regardless of the cube's side length.

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Lenny
1/19
Lesson
Radical Dimensions Slides
Cube Crusher Worksheet
Radical Geometry Anchor Chart
Cube Crusher Answer Key

Radical Dimensions

A 10th-grade geometry lesson that connects radical simplification to 3D geometry by deriving and applying the formula for a cube's space diagonal. Students transition from decimal approximations to exact radical expressions through the Pythagorean Theorem.

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Lenny
1/19
Lesson
Blueprint Formula Reference Sheet
Composite Challenge Slides
Composite Challenge Worksheet
Composite Challenge Answer Key
Mission Briefing Teacher Guide

Deconstructing 3D Designs

Students will learn to calculate the volume and surface area of composite 3D shapes by decomposing them into basic geometric figures. This lesson uses a comprehensive video guide to establish formula fluency before applying it to complex 'blueprint' challenges.

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Lenny
1/19
Lesson
Blueprint Geometry Teacher Guide
Blueprint Geometry Slides
Drafting Grid Worksheet
Shape Secrets Derivation Guide

Blueprint Geometry

A 10th-grade geometry lesson focusing on the algebraic derivation of surface area formulas for square pyramids and cones using nets and the Pythagorean theorem.

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Lenny
1/19
Lesson
Trapezoid Tactic Worksheet
Trapezoid Tactic Slides
Trapezoid Tactic Teacher Guide
Trapezoid Tactic Answer Key

Trapezoid Tactic Recon

A high-energy, 10th-grade geometry lesson focused on mastering trapezoid area problems for the SAT and ACT. Students learn the 'Auxiliary Line' strategy to decompose complex shapes and apply the Pythagorean theorem to find missing dimensions.

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Lenny
1/19
Lesson
Blueprint Teacher Guide
Grid Power Slides
Grid Paper Workspace
Algebra Tile Toolbox
Grid Method Anchor Chart

Visualizing Algebra

A remedial high school math lesson that bridges the gap between geometric area and algebraic multiplication using the grid method and physical algebra tiles.

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Lenny
1/19
Lesson
Logic of the Arc Slides
Precision Ledger Journal
Geometer's Gambit Cards

Logic of the Arc

In this inquiry-based lesson, students explore the logical foundations of geometric constructions. By comparing the 'physical' measurement of a ruler with the 'logical' preservation of distance in a compass, students learn why constructions serve as the basis for geometric proofs and congruence.

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Lenny
1/19
Lesson
Segment Arithmetic Teacher Guide
Segment Arithmetic Slides
Segment Arithmetic Worksheet
Compass and Straightedge Reference

Segment Arithmetic

A challenge-focused lesson where students extend the skill of copying segments to perform geometric addition and subtraction using a compass and straightedge. Students analyze scaling (repeated addition) before discovering how to combine different segment lengths.

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Lenny
1/19
Lesson
Point and Pivot Slides
Point and Pivot Worksheet
Point and Pivot Teacher Guide

Point and Pivot

A foundational lesson for 8th-grade math students to master the physical manipulation of a geometry compass. Students learn proper grip, pressure, and alignment through a 'Compass License' challenge and creative circle art.

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Lenny
1/19
Lesson
Drafting Duplicates Teacher Guide
Drafting Duplicates Slides
Drafting Duplicates Worksheet
Evidence of Accuracy Exit Ticket

Drafting Duplicates

A foundational geometry lesson on using a compass and straightedge to construct congruent line segments, including video analysis and hands-on practice.

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Lenny
1/19
Lesson
Segment Symmetry Teacher Guide
Segment Symmetry Slides
Segment Symmetry Blueprint
Segment Symmetry Rubric

Segment Symmetry Project

A cross-curricular project for 8th-10th grade students that bridges geometry and art. Students learn the foundational skill of copying line segments using a compass and straightedge to create intricate, aesthetically pleasing geometric designs and reflections.

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Lenny
1/19
Lesson
Crossing Paths Teacher Guide
Crossing Paths Slides
Construction Station Activity
Crossing Paths Reflection Journal

Crossing Paths

Students will construct perpendicular bisectors to find the circumcenter of acute, right, and obtuse triangles, exploring how the triangle's shape dictates the circumcenter's location.

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Lenny
1/19
Lesson
Point of Origin Teacher Guide
Point of Origin Presentation Slides
Ray Expansion Lab Worksheet
Construction Master Reference Sheet
Ray Expansion Lab Answer Key

Point of Origin

A hands-on geometry lesson where students learn to perform dilations using a compass and straightedge. Students explore the relationship between distance and scale factor while constructing enlargements and reductions without a coordinate grid.

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Lenny
1/19
Lesson
Trapezoid Takedown Teacher Guide
Trapezoid Takedown Presentation Slides
Trapezoid Anatomy Anchor Chart
Trapezoid Truths Worksheet
Trapezoid Truths Answer Key

Trapezoid Takedown

Students investigate the defining characteristics of trapezoids, specifically comparing standard and isosceles varieties through hands-on drafting, measurement, and geometric verification.

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Lenny
1/19
Lesson
Urban Oasis Slides
Highway Hub Map Handout
Geometry Tool Kit Handout
Reflection Journal Prompts
Teacher Facilitation Guide

The Perfect Park

A geometry lesson where students apply the concept of the incenter to find the optimal location for a city park equidistant from three major highways. Students use geometric construction and scaling to solve a real-world urban planning problem.

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Lenny
1/19
Lesson
Center Showdown Anchor Chart
Center Showdown Slides
Center Showdown Discussion Cards
Center Showdown Sort Organizer
Center Showdown Teacher Guide

Center Showdown

A 10th-grade geometry lesson focusing on the properties and construction of the incenter and circumcenter of a triangle, featuring interactive sorting and video analysis.

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Lenny
1/19
Lesson
Pro Pilot Teacher Guide
Bisector Blueprint Slides
Theorem Lab Worksheet
Drafting Grid Reference
Theorem Lab Answer Key

Bisector Blueprint

A hands-on geometry investigation where students explore the Perpendicular Bisector Theorem through video analysis, empirical measurement on graph paper, and structural discussion.

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Lenny
1/19
Lesson
Triangle Tools Worksheet
Construction Workshop Slides
Exterior Altitude Exit Ticket
Construction Facilitator Guide
Construction Answer Key

Hands-On Construction Workshop

A hands-on geometry lesson where students use patty paper folding techniques to explore the properties of triangle medians and altitudes. The lesson includes a video-based conceptual review followed by a physical construction activity.

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Lenny
1/19
Lesson
Blueprint Guide Teacher Guide
HL Blueprint Slides
SSA vs HL Workshop Worksheet
Right Angle Reflection Journal
Blueprint Grid Paper
Drafting Toolkit Reference Sheet
HL Workshop Answer Key

Right Triangle Special HL

This lesson explores the Hypotenuse-Leg (HL) theorem as a unique case of the invalid SSA theorem, specifically for right triangles. Students will investigate why SSA fails and how the constraints of a right angle make HL a valid congruence shortcut.

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Lenny
1/19
Lesson
Midsegment Maze Presentation
Midsegment Map Worksheet
Midsegment Maze Teacher Guide

Midsegment Maze

Students will explore the Triangle Midsegment Theorem through construction, video analysis, and a 'Midsegment Map' calculation maze. This lesson focuses on the 1/2 length relationship and the parallel property between a midsegment and the triangle's base.

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Lenny
1/19
Lesson
The Outside Height Slides
The Outside Height Worksheet
The Outside Height Teacher Guide

The Outside Height

A hands-on geometry lesson for 8th graders focused on constructing altitudes for obtuse triangles, identifying the orthocenter, and correcting vocabulary errors in instructional media.

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Lenny
1/19
Lesson
Circle Secrets Vocab Cards
Round Bound Slides
Shape Sketcher Worksheet
Circle Command Teacher Guide

Circle Bound Geometry

A 10th-grade geometry support lesson focused on differentiating between inscribed and circumscribed polygons through vocabulary matching, video analysis, and hands-on geometric construction.

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Lenny
1/19
Lesson
Radius Blueprint Teacher Guide
Compass Quest Slides
Coordinate Circles Worksheet
Coordinate Circles Answer Key

Coordinate Circles

Students explore the definition of a radius by plotting circles on a coordinate plane, identifying key points, and discovering the constant distance from the center to the circumference.

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Lenny
1/19
Lesson
Drafting Balance Teacher Guide
Centroid Canvas Slides
Centroid Canvas Activity Sheet

Centroid Canvas

A high school geometry lesson where students explore the concept of the centroid through artistic construction. Students learn about medians and the 2:1 ratio property before creating a recursive, fractal-like geometric design.

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Lenny
1/19
Lesson
Circle Slicers Slides
Sector Shading Worksheet
Sector Shading Key
Circle Slicers Teacher Guide

Circle Slicers

A high school geometry lesson on calculating arc lengths and sector areas. Students use protractors and compasses to shade and measure circles, applying the fraction theta/360 to standard circle formulas.

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Lenny
1/19
Lesson
Triangle Centers Worksheet
Center Stage Anchor Chart
Points of Departure Exit Ticket
Triangle Centers Slides
Triangle Centers Teacher Guide

Triangle Centers Discovery

Students will learn to construct and differentiate between the four triangle centers (Incenter, Centroid, Orthocenter, and Circumcenter) through video analysis and hands-on patty paper folding.

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Lenny
1/19
Lesson
Similar Scale Blueprints Lesson Plan
Bridge Builders Slides
Algebra in Geometry Worksheet
Algebra in Geometry Answer Key

Similar Scale Blueprints

A lesson focusing on the intersection of geometry and algebra, where students use the distributive property and proportional reasoning to solve for missing side lengths in similar triangles.

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Lenny
1/19
Lesson
Similarity Blueprint Teacher Guide
Similarity Blueprint Slides
Logic Puzzle Activity
Proof Toolkit Anchor Chart
Final Word Exit Ticket

Similarity Blueprint

A comprehensive lesson on writing two-column proofs for triangle similarity, featuring a blueprint-themed aesthetic. Includes a hook on shadow trigonometry, a video analysis of trapezoid proofs, and a collaborative 'scrambled proof' puzzle focusing on parallel lines and the AA postulate.

Lenny Avatar
Lenny
1/19
Lesson
Proof Doctor Worksheet
Similarity Surgery Slides
Proof Doctor Answer Key

Similarity Surgery

A 10th-grade Geometry lesson where students diagnose and repair flawed similarity proofs, acting as 'Proof Doctors' to sharpen their justification skills using AA, SAS, and SSS postulates.

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Lenny
1/19
Lesson
Segment Secrets Slides
Segment Secrets Worksheet
Means Extremes Exit Ticket
Product Proofs Teacher Guide

Ratio Rigor

Students will transition from proving triangle similarity to proving product relationships between segment lengths using the Means-Extremes Product Theorem. This lesson bridges the gap between geometry and algebra through formal two-column proofs.

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Lenny
1/19
Lesson
Drafting Overlaps Slides
Architects of Similarity Worksheet
Overlapping Outlines Teacher Guide
Architects of Similarity Answer Key

Overlapping Outlines

A rigorous 9th-grade enriched math lesson focused on identifying, separating, and solving for unknowns in overlapping similar triangles using the 'Redraw and Label' strategy.

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Lenny
1/19
Lesson
Twin Quest Teacher Guide
Twin Quest Slides
Twin Quest Sort Worksheet
Twin Quest Answer Key

Twin Quest

A 9th-grade geometry lesson focusing on the AA, SSS, and SAS similarity postulates through video analysis and a hands-on sorting activity.

Lenny Avatar
Lenny
1/19
Lesson
Statement Map Teacher Guide
Statement Map Slides
Blueprint Challenge Worksheet
Angle Navigator Cards
Order Insight Journal

Statement Map Geometry

A 10th-grade geometry lesson focused on using similarity statements as algebraic maps to identify corresponding parts and calculate unknown values without relying on visual diagrams. Students engage in a collaborative "Blind Build" challenge where they must apply scale factors based solely on letter order.

Lenny Avatar
Lenny
1/19
Lesson
Similarity Solutions Teacher Guide
Similarity Solutions Presentation Slides
Similarity Solutions Practice Worksheet
Similarity Solutions Answer Key

Similarity Solutions

A lesson focused on solving for unknown variables in similar polygons using proportions and algebraic expressions. Students will learn to set up ratios correctly and solve multi-step equations based on geometric similarity.

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Lenny
1/19
Lesson
Ratio Rebels Slides
Measured Ratios Worksheet
Triangle Templates
Ratio Rebels Teacher Guide

Ratio Rebels

Students will investigate the property that similar right triangles share constant trigonometric ratios by measuring three differently sized similar triangles and calculating their sine, cosine, and tangent values.

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Lenny
1/19
Lesson
Mean Machines Slides
Speed vs Proof Worksheet
Speed vs Proof Answer Key

Geometric Mean Mastery

Students explore the Geometric Mean Theorem in right triangles, comparing a 'shortcut' formula to an algebraic proof using systems of equations. The lesson includes a video-based comparison and a 'Speed vs. Proof' activity to reinforce conceptual understanding.

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Lenny
1/19
Lesson
Mean Measurements Worksheet
Triangle Truths Slides
Blueprint Activity Guide
Memory Check Exit Ticket
Mean Geometry Teacher Guide

Triangle Splitter

A 9th-grade geometry lesson where students discover and verify the Geometric Mean Theorem (Altitude on Hypotenuse) through a hands-on paper-cutting activity, video demonstration, and algebraic practice.

Lenny Avatar
Lenny
1/19
Lesson
Missing Link Slides
Missing Link Worksheet
Strategy Spark Cards
Blueprint Master Guide

The Missing Link

Students will learn to navigate complex right triangle side-length problems using a combination of the Pythagorean Theorem and Geometric Mean (Altitude on Hypotenuse) formulas. The lesson focuses on strategic sequencing—identifying which formula acts as the 'key' to unlock the rest of the triangle's measurements.

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Lenny
1/19
Lesson
Mean Triangle Slides
Mean Triangle Worksheet

Mean Triangle Measures

A 10th-grade geometry lesson exploring the Altitude on Hypotenuse Theorem, focusing on geometric mean formulas and radical simplification. Students will use video tutorials to master solving for missing side lengths in right triangles.

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Lenny
1/19
Lesson
Trig Ratio Mastery Slides
Trig Ratio Mastery Worksheet
Trig Tactician Teacher Guide

Trig Ratio Mastery

This lesson focuses on using trigonometric ratios (Sine and Cosine) and similar triangles to solve for missing side lengths in right triangles, comparing ratio-based and calculator-based methods.

Lenny Avatar
Lenny
1/19
Lesson
Proportional Parts Anchor Chart
Splitter vs Similarity Slides
Showdown Teacher Guide
Method Sort Worksheet
Discussion Cards & Venn Diagram

Splitter vs Similarity Showdown

This lesson helps 10th-grade students distinguish between the Side Splitter Theorem and Triangle Similarity. It focuses on the 'trap' of parallel bases, where Side Splitter fails and Similarity is required, using video analysis, group discussion, and a classification-based practice activity.

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Lenny
1/19
Lesson
City Grid Slides
Parallel Ladder Worksheet
Blueprint Journal Prompt
Architect Guide Answer Key

Parallel Proportions

Students explore how three or more parallel lines divide transversals proportionally, applying the Three Parallel Lines Theorem to real-world scenarios like city maps and ladder construction.

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Lenny
1/19
Lesson
Split the Sides Slides
Split the Sides Worksheet
Split the Sides Exit Ticket
Split the Sides Answer Key

Split the Sides

A geometry lesson focused on the Side Splitter Theorem, where students learn to solve for unknown segments in triangles with parallel interior lines and identify when to use similar triangle proportions instead.

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Lenny
1/19
Lesson
Quadratic Connections Worksheet
Quadratic Geometry Slides
Quadratic Geometry Facilitation Guide

Quadratic Geometry Connections

A 9th Grade Honors Geometry lesson where students apply quadratic factoring skills to solve complex problems involving the Side Splitter and Triangle Proportionality theorems.

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Lenny
1/19
Lesson
Mastery Schematics Slides
Contractor Challenge Packet
Mastery Rubric

Complex Problem Solving with Schematics

A synthesis workshop where students use self-generated schematics to solve multi-step optimization and composite figure problems.

Lenny Avatar
Lenny
1/18
Lesson
Similarity Proportions Slides
Mirror Math Lab

Similar Triangles and Proportions

Teaches students to model similarity using shadows and line-of-sight diagrams, with a focus on separating overlapping triangles.

Lenny Avatar
Lenny
1/18
Lesson
Logic Lab Lesson Plan
Explaining the Why Slides
Logic Lab Problem Files
Evidence Log Activity Sheet

Logic Lab

A 10th-grade math lesson focused on developing mathematical communication skills. Students practice verbalizing their internal logic and justifying their algorithmic choices to a partner.

MS

Matthew Sucharski

General Education Teacher
2/2
Lesson
Proof Master Teacher Guide
Angle Architects Slides
Proof Blueprint Activity
Precision Proof Rubric

Proving Exterior Congruence

A 10th-grade geometry lesson focusing on the intersection of triangle congruence (CPCTC) and the properties of exterior angles. Students analyze a specific proof logic from a video and then replicate it collaboratively using new variables.

Lenny Avatar
Lenny
1/19
Lesson
Proof Architects Lesson Plan Teacher Resource
Proof Architects Blueprint Activity Student Document
Proof Architects Presentation Slides

Proof Architects

A lesson for advanced math students focusing on 'backward design' proof strategies, using a triangle median/altitude problem to demonstrate analytical thinking.

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Lenny
1/19
Lesson
Proof Skeleton Worksheet
Proof Power Presentation
Reflexive Reflection Journal
Proof Master Teacher Guide

Proof Powerhouse

A high school geometry lesson where students analyze two-column proofs involving medians and altitudes, focusing on distinguishing between SSS and ASA postulates using a video-based 'proof skeleton' approach.

Lenny Avatar
Lenny
1/19
Lesson
Triangle Proof Anchor Chart
Triangle Proof Tracker Worksheet
Triangle Proof Lesson Slides
Triangle Proof Teacher Guide

Triangle Proof Tools

A support-focused lesson introducing key triangle proof vocabulary (Median, Altitude, Midpoint, Bisector) through visual anchor charts and a segmented video analysis of two-column proofs.

Lenny Avatar
Lenny
1/19
Lesson
Logic Lines Facilitation Guide
Logic Lines Slides
Logic Lines Worksheet
Logic Lines Exit Ticket
Logic Lines Answer Key

Logic Lines Geometry Proofs

A 9th-grade geometry lesson focusing on two-column proofs involving medians, altitudes, and triangle congruence. Students will use SSS and ASA postulates, CPCTC, and properties of supplementary angles to solve geometric proofs.

Lenny Avatar
Lenny
1/19
Lesson
Circle Convergence Teacher Guide
Circle Convergence Slides
Polygon Calculator Guide
Approaching Circle Worksheet

Circle Convergence

Students investigate how regular polygons with increasing numbers of sides eventually 'converge' into a circle, using the apothem formula to derive the area of a circle.

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Lenny
1/19
Lesson
Logic of the Arc Slides
Precision Ledger Journal
Geometer's Gambit Cards

Logic of the Arc

In this inquiry-based lesson, students explore the logical foundations of geometric constructions. By comparing the 'physical' measurement of a ruler with the 'logical' preservation of distance in a compass, students learn why constructions serve as the basis for geometric proofs and congruence.

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Lenny
1/19
Lesson
Forensics Lead Guide
Angle Forensics Slides
Error Analysis Lab Worksheet

Angle Forensics

A high-rigor geometry lesson for advanced 6th graders focusing on proving consecutive interior angle properties in parallelograms and performing forensic error analysis on common geometric misconceptions.

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Lenny
1/19
Lesson
Bisector Battle Slides
Reasoning Relay Worksheet
Relay Race Guide
Proof Master Key

Bisector Battle

A high school geometry lesson focused on distinguishing between the Definition of a Perpendicular Bisector and the Perpendicular Bisector Theorem in geometric proofs. Students will engage in a competitive relay activity to apply their understanding.

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Lenny
1/19
Lesson
Structural Strength Slides
Bisector Blueprints Worksheet
Truss Theory Teacher Guide

Truss Theory

Students will learn to use the Perpendicular Bisector Theorem and its converse to prove triangle congruence, exploring real-world applications in architectural trusses.

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Lenny
1/19
Lesson
Bisector Blueprint Slides
Theorem Tracker Anchor Chart
Proof Puzzle Activity
Proof Puzzle Key

Bisector Blueprint

An Honors Geometry lesson focused on the Perpendicular Bisector Theorem and its Converse. Students will review key definitions, analyze a video proof, and engage in a hands-on 'Proof Puzzle' to master logical flow in geometric proofs.

Lenny Avatar
Lenny
1/19
Lesson
Perfect Split Worksheet
Perfect Split Slides
Perfect Split Exit Ticket
Perfect Split Teacher Guide

Perfect Split

A High School Geometry lesson introducing the perpendicular bisector through hands-on paper folding, video analysis, and an experimental measurement challenge. Students explore the definition, the Perpendicular Bisector Theorem, and its converse.

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Lenny
1/19
Lesson
Crossing Paths Teacher Guide
Crossing Paths Slides
Construction Station Activity
Crossing Paths Reflection Journal

Crossing Paths

Students will construct perpendicular bisectors to find the circumcenter of acute, right, and obtuse triangles, exploring how the triangle's shape dictates the circumcenter's location.

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Lenny
1/19
Lesson
The Hat Trick Slides
Formal Proof Worksheet
Tangent Talk Cards
The Hat Trick Teacher Guide

The Hat Trick

A high-school geometry lesson on the Two-Tangent Theorem (Hat Theorem), focusing on formal proof construction using HL congruence and practical application to circle problems.

Lenny Avatar
Lenny
1/19
Lesson
Proof Lab Lesson Plan
Proof Lab Slides
Proof Lab Worksheet
Proof Mastery Rubric
Proof Lab Answer Key

Parallelogram Proof Lab

A 10th-grade geometry lesson focused on formalizing the informal logic of parallelogram properties into rigorous two-column proofs. Students analyze a video demonstration and then act as 'Geometric Architects' to construct their own proofs for side and diagonal properties.

Lenny Avatar
Lenny
1/19
Lesson
Shape Shifter Slides
Variable Ventures Worksheet
Variable Ventures Answer Key
Final Measure Exit Ticket
Parallelogram Playbook Teacher Guide

Parallelogram Power Play

A 9th-grade geometry lesson focusing on the properties of parallelograms and their application through algebraic systems, featuring a guided video analysis and a 'Variable Ventures' activity.

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Lenny
1/19
Lesson
Straw Models Activity Guide
Dynamic Diagonals Slides
Diagonal Detectives Teacher Guide

Dynamic Diagonals

A hands-on geometry lesson focusing on the unique properties of parallelogram diagonals. Students use physical models to discover that while diagonals always bisect each other, they only become equal in rectangles, helping them distinguish between necessary and sufficient conditions.

Lenny Avatar
Lenny
1/19
Lesson
Urban Oasis Slides
Highway Hub Map Handout
Geometry Tool Kit Handout
Reflection Journal Prompts
Teacher Facilitation Guide

The Perfect Park

A geometry lesson where students apply the concept of the incenter to find the optimal location for a city park equidistant from three major highways. Students use geometric construction and scaling to solve a real-world urban planning problem.

Lenny Avatar
Lenny
1/19
Lesson
Incenter Architect Teacher Guide
Inscribed Secret Slides
Blueprint for Incenters Worksheet
Blueprint Answer Key

The Inscribed Secret

A 9th-grade geometry lesson exploring the incenter of a triangle through video analysis, paper folding, and geometric proofs. Students will define the incenter as the intersection of angle bisectors and understand its property as the center of an inscribed circle.

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Lenny
1/19
Lesson
Math at Work Slides
Career Connection Guide
Math Mission Log Worksheet

Math Careers Exploration

A comprehensive look at how 5th-grade mathematics is applied in various professional fields, featuring real-world problem-solving and career research.

TD

Terry Danby

Instructor
1/22
Lesson
Cube Clash Slides
Formula Sort Cards
Cube Clash Worksheet
Cube Architect Teacher Guide

Cube Clash Surface Area vs Volume

A 7th-grade geometry lesson where students distinguish between surface area and volume through a visual video analysis, a variable-sorting activity, and comparative calculations.

Lenny Avatar
Lenny
1/19
Lesson
Pyramid Quest Slides
Tetrahedron Challenge Worksheet
Triangular Tactics Discussion Cards
Pyramid Quest Answer Key

Pyramid Quest

A high school geometry lesson focused on calculating the volume and surface area of triangular pyramids, featuring a group challenge and a video walkthrough.

Lenny Avatar
Lenny
1/19
Lesson
Pyramid Volume Presentation Slides
Pyramid Volume Worksheet
Pyramid Volume Exit Ticket
Pyramid Volume Teacher Guide

Pyramid Volume Blueprint

A 7th-grade math lesson focused on calculating the volume of square-based pyramids. Students move from conceptual prediction to formula application and algebraic problem-solving using the formula V = 1/3Bh.

Lenny Avatar
Lenny
1/19
Lesson
Pyramid Packaging Design Sheet
Pyramid Packaging Rubric
Pyramid Packaging Slides
Pyramid Packaging Teacher Guide

Pyramid Packaging Design

A hands-on geometry lesson where students design a pyramid-shaped product package, applying volume and surface area formulas to meet real-world constraints.

Lenny Avatar
Lenny
1/19
Lesson
Hidden Diagonals Teacher Guide
Hidden Diagonals Slides
Classroom Diagonal Activity Sheet
Boxed In Exit Ticket

Hidden Diagonals

Students discover and apply the 3D distance formula to find space diagonals in real-world contexts, specifically their own classroom. They will calculate the longest internal distance in a rectangular prism using the Pythagorean theorem twice.

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Lenny
1/19
Lesson
Blueprint Formula Reference Sheet
Composite Challenge Slides
Composite Challenge Worksheet
Composite Challenge Answer Key
Mission Briefing Teacher Guide

Deconstructing 3D Designs

Students will learn to calculate the volume and surface area of composite 3D shapes by decomposing them into basic geometric figures. This lesson uses a comprehensive video guide to establish formula fluency before applying it to complex 'blueprint' challenges.

Lenny Avatar
Lenny
1/19
Lesson
Volume Voyage Worksheet
Dimension Detectives Slides
Formula Finder Teacher Guide
Dimension Detectives Answer Key

Dimension Detectives

Students investigate the volume of cylinders, cones, and spheres through a hands-on scavenger hunt using real-world objects and video-based formula derivation.

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Lenny
1/19
Lesson
Dimension Detectives Teacher Guide
Dimension Detectives Slides
Label the World Worksheet
Label the World Answer Key
Unit Sort Cards

Dimension Detectives

A 5th-grade geometry lesson where students distinguish between linear, square, and cubic units through a hands-on hook, a focused video analysis of volume, and a 'Label the World' calculation activity.

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Lenny
1/19
Lesson
Box Boss Teacher Guide
Box Boss Slides
Box Boss Design Brief Handout
Box Boss Blueprint Grid Paper
Box Boss Answer Key

Box Boss

A 6th-grade math lesson where students apply multi-digit multiplication to calculate volume and act as packaging engineers to design custom containers.

Lenny Avatar
Lenny
1/19
Lesson
Space Savers Slides
Space Savers Worksheet
Space Savers Teacher Guide

Space Savers

Students will learn to calculate the volume of rectangular prisms using the formula V = l × w × h through a guided video exploration and a hands-on classroom scavenger hunt.

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Lenny
1/19
Lesson
Dimension Dilemma Teacher Guide
Dimension Dilemma Slides
Dimension Dilemma Lab Sheet
Dimension Dilemma Answer Key

Dimension Dilemma

A lesson exploring how scaling dimensions affects the volume of rectangular prisms, focusing on fractional edge lengths and the factor of 8 volume shift.

Lenny Avatar
Lenny
1/19
Lesson
Dimension Detectives Slides
Working Backward Problem Set
Derivation Workshop Teacher Guide
Geometric Insights Exit Ticket

Dimension Detectives

Students will learn to derive dimensions from given volume or surface area and understand the relationship between a cube's diagonal and its side length through visual proofs and 'reverse' calculations.

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Lenny
1/19
Lesson
Precision Lab Worksheet
Precision Lab Slides
Precision Lab Answer Key
Calculator Pro Guide

Precision Lab Volume

Students explore the distinction between exact answers in terms of Pi and decimal approximations through volume calculations of cylinders, cones, and spheres. The lesson features a video-guided tutorial followed by a collaborative 'Precision Lab' activity where students audit their rounding errors.

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Lenny
1/19
Lesson
Shipping Expert Teacher Guide
Box Logic Slides
Volume Mission Card
Blueprint Grid Paper

Package Pro

A hands-on geometry lesson where students act as packaging engineers to design rectangular prisms with specific volume targets, focusing on the real-world application of $V = l \times w \times h$.

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Lenny
1/19
Lesson
Dimension Detectives Slides
Dimension Log Worksheet
Mission Debrief Exit Ticket

Dimension Detectives

A comprehensive 8th-grade math lesson where students investigate the volume of cylinders, cones, and spheres through video analysis and hands-on measurement stations.

Lenny Avatar
Lenny
1/19
Lesson
Cube Quest Teacher Guide
Cube Quest Slides
Cube Constructors Worksheet
Volume Check Exit Ticket
Cube Quest Answer Key

Cube Quest

A hands-on introduction to volume where students build physical cubes using snap cubes and learn to calculate volume using the side-cubed formula.

Lenny Avatar
Lenny
1/19
Lesson
Cube Power Teacher Guide
Cube Power Slides
Power of Cubes Worksheet
Volume Vision Reflection
Power of Cubes Answer Key

Cube Power

A lesson for 6th-grade students connecting the geometric volume of a cube to exponential notation ($s^3$). Includes warm-up drills, video-guided instruction, a calculation activity, and a reflective journal entry.

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Lenny
1/19
Lesson
Cube Crush Slides
Cube Crush Teacher Guide
Cube Crush Game Pack

Cube Crush

A high-energy lesson where 6th-grade students master the volume of cubes through estimation challenges, a direct instruction video, and a fast-paced card game. Students practice mental math strategies and the formula \(V = s^3\) while competing to be the 'Volume War' champion.

Lenny Avatar
Lenny
1/19
Lesson
Volume Mastery Slides
Unit Doctor Worksheet
Unit Doctor Answer Key
Unit Doctor Teacher Guide

Volume Unit Doctor

A comprehensive lesson focusing on differentiating between linear, area, and volume units through the 'Unit Doctor' clinical theme. Includes interactive slides with a video focus and a diagnostic worksheet for student application.

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Lenny
1/19
Lesson
Target TSIA2 Math Worksheet
Target TSIA2 Math Key

TSIA2 Target Practice

A comprehensive 20-question practice test and answer key designed to prepare students for the TSIA2 Mathematics assessment, focusing on algebraic, geometric, and statistical reasoning.

JW

Jessica Waters

Math Teacher
1/21
Lesson
Shadow Scholar Teacher Guide
Earth Measure Slides
Circumference Quest Worksheet

Earth's Shadow Secret

Students explore how Eratosthenes used simple geometry and shadows to calculate the Earth's circumference, blending history with proportional reasoning.

Lenny Avatar
Lenny
1/19
Lesson
Circumference Trail Guide Teacher Guide
Circumference Wranglers Slideshow Presentation
Wrangler Workshop Trail Map Worksheet
Wrangler Workshop Answer Key Teacher Guide

Circumference Wranglers

In this hands-on math lesson, 5th-grade students explore the relationship between diameter and circumference. Inspired by a cowboy-themed song, students measure real-world objects, calculate lengths using Pi, and create 'yarn wreaths' to verify the mathematical formula \(C = \pi d\).

Lenny Avatar
Lenny
1/19
Lesson
Degree Detectives Presentation
Sector Secrets Worksheet
Angle Check Exit Ticket
Protractor Pro Teacher Guide

Degree Detectives

Students will learn to calculate central angles for circle graph sectors by converting percentages to degrees using the formula $360 \times \text{decimal percent}$. The lesson includes a video tutorial, a practical calculation activity based on a school day dataset, and a verification check.

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Lenny
1/19
Lesson
Circle Convergence Teacher Guide
Circle Convergence Slides
Polygon Calculator Guide
Approaching Circle Worksheet

Circle Convergence

Students investigate how regular polygons with increasing numbers of sides eventually 'converge' into a circle, using the apothem formula to derive the area of a circle.

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Lenny
1/19
Lesson
Radius Rebels Anchor Chart
Radius Rebels Slides
Radius Rebels Activity
Radius Rebels Teacher Guide

Radius Rebels Inscribed Figures

This lesson focuses on the application of 30-60-90 special right triangles to solve complex area problems involving inscribed and circumscribed polygons within circles. Students will move from basic area subtraction concepts to advanced geometric constructions and derivations.

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Lenny
1/19
Lesson
Crossing Paths Teacher Guide
Crossing Paths Slides
Construction Station Activity
Crossing Paths Reflection Journal

Crossing Paths

Students will construct perpendicular bisectors to find the circumcenter of acute, right, and obtuse triangles, exploring how the triangle's shape dictates the circumcenter's location.

Lenny Avatar
Lenny
1/19
Lesson
Radical Shortcut Lesson Plan
Radical Shortcut Presentation
Shortcut Lab Activity Sheet
Shortcut Lab Answer Key

Radical Shortcut Lab

A high-intensity SAT/ACT prep lesson focused on the 45-45-90 special right triangle. Students learn to identify hidden triangles in circles and squares to solve complex geometry problems using rapid radical shortcuts.

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Lenny
1/19
Lesson
Circle Clusters Slides
Circle Clusters Worksheet
Blueprint Teacher Guide

Circle Clusters

Students will solve systems of linear equations derived from the geometric properties of mutually tangent circles, connecting spatial relationships to algebraic solutions.

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Lenny
1/19
Lesson
Pathfinders Perimeter Worksheet
Walk Around Presentation Slides
Walk Around Teacher Guide

The Walk Around Method

Students will apply the Two-Tangent Theorem to solve 'walk-around' problems with circumscribed polygons, learning to define segment lengths algebraically and find missing perimeters.

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Lenny
1/19
Lesson
The Pulley Problem Worksheet
Belt Blueprint Presentation Slides
Drafting Solutions Key
Belt Blueprint Teacher Guide

Belt Blueprint Geometry

A 10th-grade geometry lesson focused on calculating common external tangents of circles using auxiliary lines and the Pythagorean Theorem. Students will explore real-world applications through pulley-and-belt diagrams.

Lenny Avatar
Lenny
1/19
Lesson
The Hat Trick Slides
Formal Proof Worksheet
Tangent Talk Cards
The Hat Trick Teacher Guide

The Hat Trick

A high-school geometry lesson on the Two-Tangent Theorem (Hat Theorem), focusing on formal proof construction using HL congruence and practical application to circle problems.

Lenny Avatar
Lenny
1/19
Lesson
Circle Encounters Teacher Guide
Circle Encounters Slides
Tangent Identification Worksheet
Tangent Exit Ticket

Circle Encounters

A geometry lesson focused on circle terminology including secants, tangents, and points of tangency, featuring a video-guided discussion and a visual identification activity.

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Lenny
1/19
Lesson
Tangent Trials Worksheet
Tangent Trials Slides
Tangent Trials Teacher Guide
Tangent Trials Answer Key

Tangent Trials

A high-school geometry lesson focusing on intersections of secants and tangents that result in quadratic equations. Students apply the 'Outside times Whole' formula to derive and solve trinomials using factoring and the quadratic formula.

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Lenny
1/19
Lesson
Outside the Loop Worksheet
Outside the Loop Slides
Outside the Loop Teacher Key

Outside the Loop

A 9th-grade geometry lesson focusing on the Intersecting Segments Theorem for points outside a circle. Students use dynamic geometry software to discover the 'Outside times Whole' relationship for secants and tangents.

Lenny Avatar
Lenny
1/19
Lesson
Drafting Circles Teacher Guide
Circle Segment Slides
Circle Connections Notes
Anchor Chart Rubric

Circle Segment Secrets

Students will synthesize their understanding of secant and tangent segments intersecting outside a circle by watching a targeted video lesson and creating color-coded anchor charts to distinguish between three key cases: Secant-Secant, Secant-Tangent, and Tangent-Tangent.

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Lenny
1/19
Lesson
Outer Edge Teacher Guide
Outer Edge Slides
Outer Edge Station Cards
Outer Edge Reflection Journal

The Outer Edge

A high school geometry lesson on circle theorems involving segments intersecting outside the circle (secants and tangents). Students learn to apply the Outside x Whole formula across three distinct scenarios using visual sorting, video analysis, and station rotations.

Lenny Avatar
Lenny
1/19
Lesson
Secant Blueprint Slides
Secant Blueprint Worksheet
Secant Blueprint Exit Ticket
Secant Blueprint Teacher Guide

Secant Segment Blueprint

A 10th-grade geometry lesson focusing on the 'Outside • Whole' formula for circles with secants intersecting at an external point. Includes algebra warm-ups, video guided practice, and a collaborative 'Pass the Problem' activity.

Lenny Avatar
Lenny
1/19
Lesson
Circle Blueprinting Slides
Circle Designer Worksheet
Circle Designer Key
Blueprinting Facilitator Guide

Circle Blueprinting

Students master writing circle equations by translating geometric constraints into standard form. The lesson features a video-guided substitution method and a creative 'Circle Designer' challenge where students sketch and verify each other's work.

Lenny Avatar
Lenny
1/19
Lesson
Circle Blueprints Slides
Unity of Math Journal Prompts
Blueprint Workspace Whiteboard
Circle Blueprints Teacher Guide

Circle Blueprints

Students explore the deep connection between algebraic manipulations like completing the square and the geometric transformation of conic sections, using circles as the primary model.

Lenny Avatar
Lenny
1/19
Lesson
Vector Voyages Slides
Translation Practice Packet
Vector Voyages Answer Key
Vector Voyages Facilitator Guide
Quick Start Bell Ringer
Translation Task Cards
Task Cards Answer Key
Voyage Log Exit Ticket

Vector Voyages

A modified geometry lesson focused exclusively on translations, featuring visual aids, simplified language, and scaffolded practice for high school students.

EE

Erin Esswein

Special Education Teacher
2/4
Lesson
Quad Logic Lesson Plan
Paper Quadrilaterals Handout
Venn Diagram Mat Handout

Quad Logic Classification

A lesson on classifying quadrilaterals based on their properties using hierarchies and Venn diagrams, adapted from the Bridges in Mathematics Grade 5 curriculum.

M

Maddi

Elementary Teacher
2/3
Lesson
Mirror Image Teacher Guide
Mirror Image Slides
Mirror Image Worksheet
Mirror Image Answer Key

Mirror Image

Students explore reflections across the x-axis, y-axis, and other lines, learning how to identify line of symmetry and coordinate rules for flipping figures.

M

Maddi

Elementary Teacher
2/3
Lesson
Slide and Glide Teacher Guide
Slide and Glide Slides
Slide and Glide Worksheet
Slide and Glide Answer Key

Slide and Glide

An introduction to translations where students learn to slide figures across the coordinate plane using vector notation and coordinate rules.

M

Maddi

Elementary Teacher
2/3
Lesson
Slide Squad Slides

Slide Squad

A scaffolded lesson on geometric translations that simplifies complex vocabulary, breaks down coordinate rules into manageable steps, and provides clear visual anchors for students.

EE

Erin Esswein

Special Education Teacher
2/3
Lesson
Slide Squad Teacher Guide
Slide Squad Reference Sheet
Slide Mastery Worksheet
Slide Practice Worksheet
Slide Squad Flashcards
Slide Squad Answer Key

Slide Squad

A scaffolded lesson on geometric translations that simplifies complex vocabulary, breaks down coordinate rules into manageable steps, and provides clear visual anchors for students.

EE

Erin Esswein

Special Education Teacher
2/2
Lesson
Mirror Move Teacher Guide
Reflection Rule Book Organizer
Station Point Cards
Station Rotation Log
Mirror Move Exit Ticket

Mirror Move Notation

A 9th-grade geometry lesson where students derive and apply coordinate notation rules for reflections across the x-axis, y-axis, y=x, and y=-x lines using a video guide and station rotation activity.

Lenny Avatar
Lenny
1/19
Lesson
Human Mirror Slides
Human Reflection Teacher Guide
Reflection Rebel Journal
Human Reflection Answer Key

Human Mirror Reflections

A kinesthetic geometry lesson where students physically walk a large floor grid to internalize coordinate notation for reflections across the x-axis, y-axis, y=x, and y=-x.

Lenny Avatar
Lenny
1/19
Lesson
Retrograde Reflections Slides
Reverse Logic Blueprint Guide
Secret Schematic Swap Activity
Reflection Architect Guide

Reverse Engineering Reflections

A high school geometry lesson focused on solving for pre-image coordinates using reflection notation and algebraic equations. Students learn to 'reverse engineer' transformations by setting up and solving coordinate-specific equations.

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Lenny
1/19
Lesson
Reflective Symmetry Teacher Guide
Reflective Symmetry Slides
Reflective Symmetry Student Packet

Reflective Symmetry Review

A high-school geometry lesson focused on mastering reflection rules through coordinate notation and creative mandala art. Students review rules via a professional video and then synthesize their knowledge to create symmetrical coordinate designs.

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Lenny
1/19
Lesson
Reflections Case Files Anchor Chart
Pattern Detectives Slides
Pattern Detectives Worksheet
Pattern Detectives Answer Key
Pattern Detectives Teacher Guide

Coordinate Pattern Detectives

Students will investigate the relationship between pre-image and image coordinates during reflections. They will act as 'Pattern Detectives' to derive algebraic rules from numerical patterns observed in reflections across the x-axis, y-axis, and diagonal lines.

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Lenny
1/19
Lesson
Proof Master Teacher Guide
Angle Architects Slides
Proof Blueprint Activity
Precision Proof Rubric

Proving Exterior Congruence

A 10th-grade geometry lesson focusing on the intersection of triangle congruence (CPCTC) and the properties of exterior angles. Students analyze a specific proof logic from a video and then replicate it collaboratively using new variables.

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Lenny
1/19
Lesson
Proof Skeleton Worksheet
Proof Power Presentation
Reflexive Reflection Journal
Proof Master Teacher Guide

Proof Powerhouse

A high school geometry lesson where students analyze two-column proofs involving medians and altitudes, focusing on distinguishing between SSS and ASA postulates using a video-based 'proof skeleton' approach.

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Lenny
1/19
Lesson
Logic Lines Facilitation Guide
Logic Lines Slides
Logic Lines Worksheet
Logic Lines Exit Ticket
Logic Lines Answer Key

Logic Lines Geometry Proofs

A 9th-grade geometry lesson focusing on two-column proofs involving medians, altitudes, and triangle congruence. Students will use SSS and ASA postulates, CPCTC, and properties of supplementary angles to solve geometric proofs.

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Lenny
1/19
Lesson
Logic of the Arc Slides
Precision Ledger Journal
Geometer's Gambit Cards

Logic of the Arc

In this inquiry-based lesson, students explore the logical foundations of geometric constructions. By comparing the 'physical' measurement of a ruler with the 'logical' preservation of distance in a compass, students learn why constructions serve as the basis for geometric proofs and congruence.

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Lenny
1/19
Lesson
Drafting Duplicates Teacher Guide
Drafting Duplicates Slides
Drafting Duplicates Worksheet
Evidence of Accuracy Exit Ticket

Drafting Duplicates

A foundational geometry lesson on using a compass and straightedge to construct congruent line segments, including video analysis and hands-on practice.

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Lenny
1/19
Lesson
Structural Strength Slides
Bisector Blueprints Worksheet
Truss Theory Teacher Guide

Truss Theory

Students will learn to use the Perpendicular Bisector Theorem and its converse to prove triangle congruence, exploring real-world applications in architectural trusses.

Lenny Avatar
Lenny
1/19
Lesson
Shape Shifter Anchor Chart
Shape Shifter Slides
Transformation Card Sort Deck
Shape Shifter Exit Ticket
Shape Shifter Teacher Guide

Shape Shifters

This lesson guides students through the distinction between isometries and non-isometries (specifically dilations) using geometric properties. Students will analyze transformations, calculate scale factors, and determine which properties (distance vs. angle measure) are preserved.

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Lenny
1/19
Lesson
The Hat Trick Slides
Formal Proof Worksheet
Tangent Talk Cards
The Hat Trick Teacher Guide

The Hat Trick

A high-school geometry lesson on the Two-Tangent Theorem (Hat Theorem), focusing on formal proof construction using HL congruence and practical application to circle problems.

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Lenny
1/19
Lesson
Shift Master Teacher Guide
Translation Mastery Slides
Slide Step Worksheet
Vector Victory Cards

Translation Mechanics Mastery

This lesson focuses on performing translations on a coordinate plane, emphasizing counting units and using prime notation. It utilizes physical movement, a guided video tutorial, and a game-based activity to build foundational geometry skills for 8th-grade intervention students.

Lenny Avatar
Lenny
1/19
Lesson
Math Blueprint Slides
Formula Arsenal Flashcards
Math Navigator Guide
Algebra Arsenal Worksheet
Geometry Grid Worksheet
Mastery Key Teacher Guide

Math Mastery

A comprehensive ACT Math preparation module focusing on core concepts, time management strategies, and targeted practice across all test categories.

KH

Katie Heck

Counselor
1/27
Lesson
Blueprint Bounds Worksheet
Blueprint Bounds Answer Key
Blueprint Bounds Slides

Radical Right Triangles

A lesson focused on applying the Pythagorean Theorem to find missing side lengths of right triangles, with a specific emphasis on expressing final answers as simplified radicals rather than decimals.

BR

Brian Riley

Math Teacher
1/21
Lesson
Target TSIA2 Math Worksheet
Target TSIA2 Math Key

TSIA2 Target Practice

A comprehensive 20-question practice test and answer key designed to prepare students for the TSIA2 Mathematics assessment, focusing on algebraic, geometric, and statistical reasoning.

JW

Jessica Waters

Math Teacher
1/21
Lesson
Rhythmic Recitation Teacher Guide
Formula Remix Slides
Rhyme and Reason Worksheet

Formula Remix

Students will learn to use rhythm, rhyme, and mnemonics to memorize mathematical formulas, specifically focusing on the circumference of a circle before writing their own mathematical verses.

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Lenny
1/19
Lesson
Diamond Heist Worksheet
Heist Debrief Journal Prompt
Diamond Heist Slides
Diamond Heist Answer Key

The Diamond Heist

Students use the properties of rhombuses and the Pythagorean theorem to solve area problems involving inscribed shapes. The lesson culminates in 'The Diamond Heist' challenge, where students calculate floor space in a museum floor plan.

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Lenny
1/19
Lesson
Distance Blueprint Slides
Prove It Activity
Distance Facilitation Guide
Proof Precision Rubric

Distance Detectives

Students will derive the distance formula from the Pythagorean Theorem and apply it to classify triangles on a coordinate plane. The lesson includes a video-based derivation, guided practice, and a 'Prove It' challenge where students use coordinates to identify triangle types.

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Lenny
1/19
Lesson
Map Master Teacher Guide
Campus Quest Slides
Campus Map Worksheet
Campus Map Answer Key

Campus Cartography

A lesson for 8th-10th grade students on using the distance formula to calculate straight-line distances on a coordinate-gridded campus map, featuring a video refresher and a scavenger hunt activity.

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Lenny
1/19
Lesson
Distance Lab Presentation
Distance Error Cards
Distance Lab Report
Distance Lab Answer Key
Distance Lab Teacher Guide

Distance Formula Error Lab

A specialized lesson for Algebra Support focusing on identifying and correcting common sign and arithmetic errors within the distance formula, featuring video-guided instruction and station-based error analysis.

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Lenny
1/19
Lesson
Magnitude Map Worksheet
Complex Plane Grid
Magnitude Presentation Slides
Magnitude Map Answer Key

Absolute Magnitude

A lesson for 11th Grade Algebra II on defining and calculating the absolute value of complex numbers, connecting the concept to the Pythagorean theorem and the complex plane.

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Lenny
1/19
Lesson
Hypotenuse Hack Slides
Hypotenuse Hack Worksheet
Hypotenuse Hack Discussion Cards
Hypotenuse Hack Teacher Guide
Hypotenuse Hack Answer Key

Hypotenuse Hack

A geometry lesson for advanced middle or early high school students that explores the relationship between radicals and geometric area through 45-45-90 triangles. Students derive a general formula for triangle area based solely on the hypotenuse length.

Lenny Avatar
Lenny
1/19
Lesson
Radical Shortcut Lesson Plan
Radical Shortcut Presentation
Shortcut Lab Activity Sheet
Shortcut Lab Answer Key

Radical Shortcut Lab

A high-intensity SAT/ACT prep lesson focused on the 45-45-90 special right triangle. Students learn to identify hidden triangles in circles and squares to solve complex geometry problems using rapid radical shortcuts.

Lenny Avatar
Lenny
1/19
Lesson
Perfect Half Slides
Diagonal Designers Worksheet
Diagonal Designers Rubric

Perfect Half Geometry

A 9th-grade geometry lesson exploring the properties of 45-45-90 special right triangles through the lens of squares and their diagonals. Students discover the 1:1:sqrt(2) ratio through hands-on measurement and video synthesis.

Lenny Avatar
Lenny
1/19
Lesson
Rapid Ratios Discovery Slides
Rapid Fire Triangles Worksheet
Rapid Ratios Exit Ticket
Rapid Ratios Teacher Guide

Rapid Ratios Discovery

A discovery-based lesson where students use the Pythagorean Theorem to uncover the side ratios of 45-45-90 triangles, confirm their findings with a video, and build fluency through a 'Rapid Fire' practice session.

Lenny Avatar
Lenny
1/19
Lesson
The Pulley Problem Worksheet
Belt Blueprint Presentation Slides
Drafting Solutions Key
Belt Blueprint Teacher Guide

Belt Blueprint Geometry

A 10th-grade geometry lesson focused on calculating common external tangents of circles using auxiliary lines and the Pythagorean Theorem. Students will explore real-world applications through pulley-and-belt diagrams.

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Lenny
1/19
Lesson
Pyramid Blueprint Anchor Chart
Pyramid Architect Slides
Net Worth Worksheet
Net Worth Answer Key

Pyramid Architect

Students will distinguish between height and slant height and calculate the surface area of a square pyramid through video analysis, visual aids, and a sketching-based activity called 'Net Worth'.

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Lenny
1/19
Lesson
Pyramid Quest Slides
Tetrahedron Challenge Worksheet
Triangular Tactics Discussion Cards
Pyramid Quest Answer Key

Pyramid Quest

A high school geometry lesson focused on calculating the volume and surface area of triangular pyramids, featuring a group challenge and a video walkthrough.

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Lenny
1/19
Lesson
Hidden Slope Slides
Missing Dimension Worksheet
Missing Dimension Answer Key

The Hidden Slope

Students will learn to use the Pythagorean theorem to calculate the slant height of a square pyramid by identifying the internal right triangle formed by the pyramid's altitude and half its base edge. This lesson includes a warm-up, a guided video segment analysis, and a practice worksheet focusing on surface area calculations requiring this multi-step approach.

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Lenny
1/19
Lesson
Pyramid Packaging Design Sheet
Pyramid Packaging Rubric
Pyramid Packaging Slides
Pyramid Packaging Teacher Guide

Pyramid Packaging Design

A hands-on geometry lesson where students design a pyramid-shaped product package, applying volume and surface area formulas to meet real-world constraints.

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Lenny
1/19
Lesson
Radical Geometry Lesson Plan
Radical Geometry Worksheet

Radical Geometry Challenge

A 10th-grade math lesson that bridges radical simplification with geometric concepts of area and perimeter. Students will use properties of radicals to find dimensions of shapes and practice multiplying and adding radicals in a real-world geometry context.

Lenny Avatar
Lenny
1/19
Lesson
Corner to Corner Slides
Corner to Corner Worksheet
Blueprint Graph Paper
Corner to Corner Teacher Guide
Corner to Corner Slides Revised

Corner to Corner

Students move from 2D to 3D geometry by deriving the space diagonal formula for cubes and rectangular prisms using the Pythagorean theorem. The lesson includes a video-based derivation for cubes and a workshop where students generalize the formula for any rectangular prism.

Lenny Avatar
Lenny
1/19
Lesson
Shape Slicer Slides
Shape Slicer Worksheet
Shape Slicer Teacher Guide

Shape Slicer

Students find the area of complex polygons by "slicing" them into familiar rectangles and triangles, reinforcing the additive property of area.

D

dfredericks

Math Teacher
2/6
Lesson
Grid Maps Slides
Grid Maps Worksheet
Grid Maps Teacher Guide

Grid Maps

Students use the coordinate plane to plot shapes and find horizontal and vertical side lengths, connecting grid units to area calculations.

D

dfredericks

Math Teacher
2/6
Lesson
Height Hunt Slides
Height Hunt Worksheet
Height Hunt Teacher Guide

Height Hunt

Students practice identifying the base and height of triangles in various orientations, reinforcing that any side can be the base as long as the height is perpendicular.

D

dfredericks

Math Teacher
2/6
Lesson
Half Time Slides
Half Time Worksheet
Half Time Teacher Guide

Half Time

Students discover the area of triangles by visualizing them as exactly half of a parallelogram or rectangle with the same base and height.

D

dfredericks

Math Teacher
2/6
Lesson
Slant Shift Slides
Slant Shift Worksheet
Slant Shift Teacher Guide

Slant Shift

Students investigate the area of parallelograms by decomposing them into triangles and recomposing them into rectangles, illustrating the conservation of area.

D

dfredericks

Math Teacher
2/6
Lesson
Rectangle Remix Slides
Rectangle Remix Worksheet
Rectangle Remix Teacher Guide

Rectangle Remix

Students revisit the area of rectangles through the lens of multiplicative reasoning, focusing on unitizing and tiling to build a foundation for more complex shapes.

D

dfredericks

Math Teacher
2/6
Lesson
City Planner Lesson Plan
Metropolis Maker Slides
Urban Grid Worksheet
Metropolis Project Blueprint
Urban Grid Answer Key

Geometric City Planners

A hands-on geometry lesson where students act as urban planners, using 2D and 3D shapes to design a functional city while calculating area and perimeter.

C

cmacneil

School Administrator
2/2
Lesson
Geometry Motion Teacher Guide
Shape Shifters Slides
Body Blueprints Activity
Polygon Pursuit Game
Dimension Detective Worksheet

Geometry in Motion

Students explore 2D and 3D geometric concepts through physical movement and hands-on modeling. They will identify shape properties, symmetry, and angles by transforming their bodies and building physical structures.

L

lisa.mcintyre

Math Teacher
2/2
Lesson
Area Architect Proficiency Scale
Area Architect Practice Sheet
Area Architect Answer Key

Area Architect Mastery

A comprehensive proficiency scale and learning progression for 3rd Grade area standards, focusing on relating area to multiplication and addition.

BP

Beth Phillips

Math Teacher
1/30
Lesson
Triangle Architects Lesson Plan
Triangle Mastery Slides
Triangle Anchor Chart
Triangle Vocab Cards
Triangle Practice Worksheet
Triangle Architect Quiz

Triangle Architects

A comprehensive lesson on classifying triangles by sides and angles, exploring the Triangle Sum Theorem, and applying the Triangle Inequality Theorem.

BP

Barbara Powderly

Math Teacher
1/28
Lesson
Constellation Mapper Worksheet
Celestial Coordinates Slides
Sky Guide Teacher Resource

Celestial Coordinates

Students will apply their knowledge of coordinate grids to map the constellations mentioned in the 'Patterns in the Night Sky' video. They will plot specific (x,y) coordinates for Ursa Major (Big Dipper) and Orion, measure angles between stars using protractors, and calculate light-year distances using a simplified scale.

Lenny Avatar
Lenny
1/19
Lesson
Blueprint Binomials Teacher Guide
Blueprint Binomials Slides
Blueprint Drafting Paper
Area Model Battles Worksheet
Blueprint Reflection Journal

Blueprint Binomials

A 9th-grade algebra lesson focused on multiplying binomials using the FOIL and Box methods. Students will explore the relationship between algebraic multiplication and geometric area models through video analysis and hands-on grid-based practice.

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Lenny
1/19
Lesson
Foreman Instructional Guide
Blueprint Prediction Worksheet
Architect Presentation Slides
Blueprint Answer Key

Formula Architects

A lesson focused on bridging the gap between prism and cylinder surface area formulas using the Pause and Predict method. Students analyze a video to discover how circular bases and circumferences transform the standard SA formula.

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Lenny
1/19
Lesson
Cylinder Lab Slides
Packaging Design Worksheet
Engineer Reference Sheet
Packaging Design Key
Cylinder Lab Teacher Guide

Cylinder Blueprint Lab

A middle school geometry lesson where students explore the surface area of cylinders through the lens of packaging engineering, distinguishing between lateral and total surface area.

Lenny Avatar
Lenny
1/19
Lesson
Precision Power Slides
Precision Comparison Worksheet
Precision Power Teacher Guide

Precision Power

A lesson focusing on the dangers of intermediate rounding in multi-step geometric calculations, specifically using the surface area of cylinders as a case study. Students compare results between rounding at every step versus using full calculator precision.

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Lenny
1/19
Lesson
Pi Day Party Teacher Guide
Pi Day Party Slides
Pi Fact Hunter Sheet
Infinite Chain Guide

Pi Day Party

A festive school-wide or multi-grade lesson celebrating Pi Day (March 14th) through music, fact-finding, and the creation of a massive, colorful paper "Pi Chain" representing the digits of the most famous mathematical constant.

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Lenny
1/19
Lesson
Circle Roundup Teacher Guide
Circle Roundup Slides
Circle Roundup Worksheet
Circle Roundup Station Cards

Circle Roundup

A 6th-grade math lesson where students use the formula C = πd to find the circumference of various circular farm objects. The lesson includes a catchy song, a pi-digit memorization challenge, and hands-on station work.

Lenny Avatar
Lenny
1/19
Lesson
Pi Power Teacher Guide
Pi Precision Slides
Precision Practice Worksheet
NASA vs Carpenter Exit Ticket
Scientific Calculator Reference Guide

Perfectly Pi

Students will analyze circumference calculations from a video to distinguish between exact (in terms of Pi) and approximate (decimal) answers, concluding with a real-world precision analysis.

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Lenny
1/19
Lesson
Calculation Challenge Teacher Guide
Cube Quest Presentation Slides
Mistake Hunters Activity Posters
Mistake Hunters Field Guide Worksheet
Cube Calculation Reflection Journal

Cube Calculation Challenge

Students will master variable substitution and the order of operations by analyzing the surface area formula for a cube ($6x^2$), using a video-based derivation and a hands-on error analysis gallery walk.

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Lenny
1/19
Lesson
Cube Clash Slides
Formula Sort Cards
Cube Clash Worksheet
Cube Architect Teacher Guide

Cube Clash Surface Area vs Volume

A 7th-grade geometry lesson where students distinguish between surface area and volume through a visual video analysis, a variable-sorting activity, and comparative calculations.

Lenny Avatar
Lenny
1/19
Lesson
Vector Voyages Slides
Translation Practice Packet
Vector Voyages Answer Key
Vector Voyages Facilitator Guide
Quick Start Bell Ringer
Translation Task Cards
Task Cards Answer Key
Voyage Log Exit Ticket

Vector Voyages

A modified geometry lesson focused exclusively on translations, featuring visual aids, simplified language, and scaffolded practice for high school students.

EE

Erin Esswein

Special Education Teacher
2/4
Lesson
Slide Squad Teacher Guide
Slide Squad Reference Sheet
Slide Mastery Worksheet
Slide Practice Worksheet
Slide Squad Flashcards
Slide Squad Answer Key

Slide Squad

A scaffolded lesson on geometric translations that simplifies complex vocabulary, breaks down coordinate rules into manageable steps, and provides clear visual anchors for students.

EE

Erin Esswein

Special Education Teacher
2/2
Lesson
Target TSIA2 Math Worksheet
Target TSIA2 Math Key

TSIA2 Target Practice

A comprehensive 20-question practice test and answer key designed to prepare students for the TSIA2 Mathematics assessment, focusing on algebraic, geometric, and statistical reasoning.

JW

Jessica Waters

Math Teacher
1/21
Lesson
Proof Skeleton Worksheet
Proof Power Presentation
Reflexive Reflection Journal
Proof Master Teacher Guide

Proof Powerhouse

A high school geometry lesson where students analyze two-column proofs involving medians and altitudes, focusing on distinguishing between SSS and ASA postulates using a video-based 'proof skeleton' approach.

Lenny Avatar
Lenny
1/19
Lesson
Logic Lines Facilitation Guide
Logic Lines Slides
Logic Lines Worksheet
Logic Lines Exit Ticket
Logic Lines Answer Key

Logic Lines Geometry Proofs

A 9th-grade geometry lesson focusing on two-column proofs involving medians, altitudes, and triangle congruence. Students will use SSS and ASA postulates, CPCTC, and properties of supplementary angles to solve geometric proofs.

Lenny Avatar
Lenny
1/19
Lesson
Steepness Secrets Slides
Slope Investigation Worksheet
Steepness Facilitation Guide

Steepness Secrets

A lesson for 8th Grade Algebra I students to discover that the slope of a line is constant between any two points. Includes a video-based hook, a collaborative graphing investigation, and a challenge on scaling slopes.

Lenny Avatar
Lenny
1/19
Lesson
Simplification Guide Teacher Guide
Math Shortcut Slides
Pedagogy Discussion Cards Teacher Resource
Proportion Canceling Anchor Chart Reference Sheet

Simplification Before Multiplication

A professional development lesson for math teachers focused on the 'Simplification Before Multiplication' strategy to improve student accuracy and efficiency in geometry.

Lenny Avatar
Lenny
1/19
Lesson
Proportional Parts Teacher Guide
Proportional Parts Worksheet
Partner Match Triangle Cards
Proportional Parts Exit Ticket
Proportional Parts Slides

Proportional Parts

A comprehensive lesson teaching 8th-grade students how to identify corresponding sides in similar triangles and solve for missing values using proportions and cross-multiplication.

Lenny Avatar
Lenny
1/19
Lesson
Similar Scale Blueprints Lesson Plan
Bridge Builders Slides
Algebra in Geometry Worksheet
Algebra in Geometry Answer Key

Similar Scale Blueprints

A lesson focusing on the intersection of geometry and algebra, where students use the distributive property and proportional reasoning to solve for missing side lengths in similar triangles.

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Lenny
1/19
Lesson
Markings Matter Teacher Guide
Angle Evidence Slides
Rotated Triangle Worksheet
Rotated Triangle Worksheet Refined

Angle Evidence

A Geometry lesson focused on identifying corresponding sides of similar triangles using angle congruence marks rather than visual orientation. Students learn to navigate rotated, flipped, and mirrored figures by relying on geometric evidence.

Lenny Avatar
Lenny
1/19
Lesson
Mirror Math Teacher Guide
Mirror Math Slides
Pinhole Physics Activity
Bowtie Similarity Anchor Chart
Similarity Reflection Journal Prompt
Mirror Math Answer Key

Mirror Math Similarity

A 10th-grade geometry lesson focusing on identifying and solving similar triangles within 'bowtie' or 'hourglass' figures using AA similarity, vertical angles, and alternate interior angles.

Lenny Avatar
Lenny
1/19
Lesson
Structural Strength Slides
Bisector Blueprints Worksheet
Truss Theory Teacher Guide

Truss Theory

Students will learn to use the Perpendicular Bisector Theorem and its converse to prove triangle congruence, exploring real-world applications in architectural trusses.

Lenny Avatar
Lenny
1/19
Lesson
Radical Shortcut Lesson Plan
Radical Shortcut Presentation
Shortcut Lab Activity Sheet
Shortcut Lab Answer Key

Radical Shortcut Lab

A high-intensity SAT/ACT prep lesson focused on the 45-45-90 special right triangle. Students learn to identify hidden triangles in circles and squares to solve complex geometry problems using rapid radical shortcuts.

Lenny Avatar
Lenny
1/19
Lesson
Rapid Ratios Discovery Slides
Rapid Fire Triangles Worksheet
Rapid Ratios Exit Ticket
Rapid Ratios Teacher Guide

Rapid Ratios Discovery

A discovery-based lesson where students use the Pythagorean Theorem to uncover the side ratios of 45-45-90 triangles, confirm their findings with a video, and build fluency through a 'Rapid Fire' practice session.

Lenny Avatar
Lenny
1/19
Lesson
Dilation Director Guide
Off Center Dilations Slides
Dilation Scout Worksheet
Grid Master Paper

Off Center Dilations

A comprehensive lesson for 8th and 9th-grade students on performing dilations on a coordinate plane with centers other than the origin, featuring a video-guided walkthrough and a 'Dilation Scavenger Hunt' activity.

Lenny Avatar
Lenny
1/19
Lesson
Shape Shifter Anchor Chart
Shape Shifter Slides
Transformation Card Sort Deck
Shape Shifter Exit Ticket
Shape Shifter Teacher Guide

Shape Shifters

This lesson guides students through the distinction between isometries and non-isometries (specifically dilations) using geometric properties. Students will analyze transformations, calculate scale factors, and determine which properties (distance vs. angle measure) are preserved.

Lenny Avatar
Lenny
1/19
Lesson
Shrink Ray Slides
Shrink Ray Lab Worksheet
Shrink Ray Teacher Guide

Scale Model Dilations

Students will learn the mechanics of dilations using the formula Preimage * Scale Factor = Image. They will apply this to a hands-on 'Shrink Ray' activity where they measure classroom objects and calculate the dimensions for a scaled-down miniature model.

Lenny Avatar
Lenny
1/19
Lesson
Proportion Power Slides
Proportion Power Worksheet
Proportion Power Stations
Proportion Power Key

Proportion Power Geometry

An 8th-grade review lesson focusing on solving proportions as a prerequisite for geometric similarity. Students participate in a mental math hook, a fast-paced video 'speed run' for algebraic setup, and a station-based application activity with similar triangles.

Lenny Avatar
Lenny
1/19
Lesson
Similarity Blueprint Teacher Guide
Similarity Blueprint Slides
Logic Puzzle Activity
Proof Toolkit Anchor Chart
Final Word Exit Ticket

Similarity Blueprint

A comprehensive lesson on writing two-column proofs for triangle similarity, featuring a blueprint-themed aesthetic. Includes a hook on shadow trigonometry, a video analysis of trapezoid proofs, and a collaborative 'scrambled proof' puzzle focusing on parallel lines and the AA postulate.

Lenny Avatar
Lenny
1/19
Lesson
Proof Doctor Worksheet
Similarity Surgery Slides
Proof Doctor Answer Key

Similarity Surgery

A 10th-grade Geometry lesson where students diagnose and repair flawed similarity proofs, acting as 'Proof Doctors' to sharpen their justification skills using AA, SAS, and SSS postulates.

Lenny Avatar
Lenny
1/19
Lesson
Shape Slicer Slides
Shape Slicer Worksheet
Shape Slicer Teacher Guide

Shape Slicer

Students find the area of complex polygons by "slicing" them into familiar rectangles and triangles, reinforcing the additive property of area.

D

dfredericks

Math Teacher
2/6
Lesson
Grid Maps Slides
Grid Maps Worksheet
Grid Maps Teacher Guide

Grid Maps

Students use the coordinate plane to plot shapes and find horizontal and vertical side lengths, connecting grid units to area calculations.

D

dfredericks

Math Teacher
2/6
Lesson
Height Hunt Slides
Height Hunt Worksheet
Height Hunt Teacher Guide

Height Hunt

Students practice identifying the base and height of triangles in various orientations, reinforcing that any side can be the base as long as the height is perpendicular.

D

dfredericks

Math Teacher
2/6
Lesson
Half Time Slides
Half Time Worksheet
Half Time Teacher Guide

Half Time

Students discover the area of triangles by visualizing them as exactly half of a parallelogram or rectangle with the same base and height.

D

dfredericks

Math Teacher
2/6
Lesson
Slant Shift Slides
Slant Shift Worksheet
Slant Shift Teacher Guide

Slant Shift

Students investigate the area of parallelograms by decomposing them into triangles and recomposing them into rectangles, illustrating the conservation of area.

D

dfredericks

Math Teacher
2/6
Lesson
Rectangle Remix Slides
Rectangle Remix Worksheet
Rectangle Remix Teacher Guide

Rectangle Remix

Students revisit the area of rectangles through the lens of multiplicative reasoning, focusing on unitizing and tiling to build a foundation for more complex shapes.

D

dfredericks

Math Teacher
2/6
Lesson
Puppy Park Slides
Puppy Park Workbook
Puppy Park Final Blueprint
Puppy Park Teacher Guide

Puppy Park Planner

A comprehensive mathematics performance task focused on the perimeter of rectangles, where students act as architects designing a new community puppy park. The lesson includes a presentation, a student workbook with collaborative and real-world components, and a final project guide.

KA

Kelise Antonio

Counselor
2/5
Lesson
City Planner Lesson Plan
Metropolis Maker Slides
Urban Grid Worksheet
Metropolis Project Blueprint
Urban Grid Answer Key

Geometric City Planners

A hands-on geometry lesson where students act as urban planners, using 2D and 3D shapes to design a functional city while calculating area and perimeter.

C

cmacneil

School Administrator
2/2
Lesson
Geometry Motion Teacher Guide
Shape Shifters Slides
Body Blueprints Activity
Polygon Pursuit Game
Dimension Detective Worksheet

Geometry in Motion

Students explore 2D and 3D geometric concepts through physical movement and hands-on modeling. They will identify shape properties, symmetry, and angles by transforming their bodies and building physical structures.

L

lisa.mcintyre

Math Teacher
2/2
Lesson
Border Bosses Teacher Guide
Perimeter Blueprint Anchor Chart
Perimeter Toolkit Organizer
Perimeter Puzzle Task Cards
Perimeter Puzzle Answer Key
Boundary Check Quiz
Boundary Check Quiz Answer Key
Boundary Blitz Task Cards
Boundary Blitz Answer Key
Boundary Boulevard Game Board

Border Bosses

A comprehensive lesson focused on finding the perimeter of regular and irregular polygons, including real-world applications and solving for missing side lengths.

KA

Kelise Antonio

Counselor
1/31
Lesson
Area Architect Proficiency Scale
Area Architect Practice Sheet
Area Architect Answer Key

Area Architect Mastery

A comprehensive proficiency scale and learning progression for 3rd Grade area standards, focusing on relating area to multiplication and addition.

BP

Beth Phillips

Math Teacher
1/30
Lesson
Math Blueprint Slides
Formula Arsenal Flashcards
Math Navigator Guide
Algebra Arsenal Worksheet
Geometry Grid Worksheet
Mastery Key Teacher Guide

Math Mastery

A comprehensive ACT Math preparation module focusing on core concepts, time management strategies, and targeted practice across all test categories.

KH

Katie Heck

Counselor
1/27
Lesson
Target TSIA2 Math Worksheet
Target TSIA2 Math Key

TSIA2 Target Practice

A comprehensive 20-question practice test and answer key designed to prepare students for the TSIA2 Mathematics assessment, focusing on algebraic, geometric, and statistical reasoning.

JW

Jessica Waters

Math Teacher
1/21
Lesson
Shadow Scholar Teacher Guide
Earth Measure Slides
Circumference Quest Worksheet

Earth's Shadow Secret

Students explore how Eratosthenes used simple geometry and shadows to calculate the Earth's circumference, blending history with proportional reasoning.

Lenny Avatar
Lenny
1/19
Lesson
Planetary Math Teacher Guide
Orbital Area Slides
Eccentric Areas Worksheet

Planetary Math

A 10th-grade geometry lesson that bridges the gap between circle area and planetary motion. Students use the string-and-pin method to construct ellipses, verify the area formula \(A = \pi ab\), and explore Kepler's Second Law.

Lenny Avatar
Lenny
1/19
Lesson
Time Travel Teacher Guide
Zone Shift Slides
Mapping the Hours Worksheet
Zone Shift Exit Ticket
Time Travel Answer Key

Global Time Travel

A mathematical exploration of Earth's 360-degree rotation and how it defines the 24 global time zones. Students calculate longitudinal shifts and solve travel-based time problems.

Lenny Avatar
Lenny
1/19
Lesson
Precision Motion Guide
Motion Maker Slides
Precision Lab Worksheet
Measure Master Strips

Precision Motion Lab

Students explore the intersection of math and engineering by building a zoetrope. They practice precise measurement to the nearest millimeter and centimeter to create a functional optical illusion.

Lenny Avatar
Lenny
1/19
Lesson
Sky High Slides
Kite Geometry Worksheet
Sky High Teacher Guide

Sky High Shapes

A 1st Grade math lesson where students identify diamond shapes and use non-standard units (linking cubes or paper clips) to measure kite frames based on a kite-building video.

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Lenny
1/19
Lesson
Constellation Mapper Worksheet
Celestial Coordinates Slides
Sky Guide Teacher Resource

Celestial Coordinates

Students will apply their knowledge of coordinate grids to map the constellations mentioned in the 'Patterns in the Night Sky' video. They will plot specific (x,y) coordinates for Ursa Major (Big Dipper) and Orion, measure angles between stars using protractors, and calculate light-year distances using a simplified scale.

Lenny Avatar
Lenny
1/19
Lesson
Polynomial Blueprint Worksheet
Poly Power Slides
Side Check Exit Ticket
Master Plan Teacher Guide

Polynomial Power Play

A comprehensive lesson on adding and subtracting polynomials using a blueprint theme. Students will master combining like terms and distributing negative signs through a 'Like Terms Hunt' and geometric perimeter problems.

Lenny Avatar
Lenny
1/19
Lesson
Steepness Secrets Slides
Slope Investigation Worksheet
Steepness Facilitation Guide

Steepness Secrets

A lesson for 8th Grade Algebra I students to discover that the slope of a line is constant between any two points. Includes a video-based hook, a collaborative graphing investigation, and a challenge on scaling slopes.

Lenny Avatar
Lenny
1/19
Lesson
Proportional Parts Teacher Guide
Proportional Parts Worksheet
Partner Match Triangle Cards
Proportional Parts Exit Ticket
Proportional Parts Slides

Proportional Parts

A comprehensive lesson teaching 8th-grade students how to identify corresponding sides in similar triangles and solve for missing values using proportions and cross-multiplication.

Lenny Avatar
Lenny
1/19
Lesson
Similar Scale Blueprints Lesson Plan
Bridge Builders Slides
Algebra in Geometry Worksheet
Algebra in Geometry Answer Key

Similar Scale Blueprints

A lesson focusing on the intersection of geometry and algebra, where students use the distributive property and proportional reasoning to solve for missing side lengths in similar triangles.

Lenny Avatar
Lenny
1/19
Lesson
Markings Matter Teacher Guide
Angle Evidence Slides
Rotated Triangle Worksheet
Rotated Triangle Worksheet Refined

Angle Evidence

A Geometry lesson focused on identifying corresponding sides of similar triangles using angle congruence marks rather than visual orientation. Students learn to navigate rotated, flipped, and mirrored figures by relying on geometric evidence.

Lenny Avatar
Lenny
1/19
Lesson
Mirror Math Teacher Guide
Mirror Math Slides
Pinhole Physics Activity
Bowtie Similarity Anchor Chart
Similarity Reflection Journal Prompt
Mirror Math Answer Key

Mirror Math Similarity

A 10th-grade geometry lesson focusing on identifying and solving similar triangles within 'bowtie' or 'hourglass' figures using AA similarity, vertical angles, and alternate interior angles.

Lenny Avatar
Lenny
1/19
Lesson
Perfect Half Slides
Diagonal Designers Worksheet
Diagonal Designers Rubric

Perfect Half Geometry

A 9th-grade geometry lesson exploring the properties of 45-45-90 special right triangles through the lens of squares and their diagonals. Students discover the 1:1:sqrt(2) ratio through hands-on measurement and video synthesis.

Lenny Avatar
Lenny
1/19
Lesson
Radical Rescue Teacher Guide
Root Rules Anchor Chart
Radical Rescue Presentation Slides
Radical Rescue Student Worksheet

Radical Rescue

A focused geometry lesson on solving 45-45-90 triangles when the hypotenuse is an integer, requiring students to rationalize denominators. Students will transition from simple radical multiplication to algebraic rationalization through video analysis and collaborative practice.

Lenny Avatar
Lenny
1/19
Lesson
Dilation Director Guide
Off Center Dilations Slides
Dilation Scout Worksheet
Grid Master Paper

Off Center Dilations

A comprehensive lesson for 8th and 9th-grade students on performing dilations on a coordinate plane with centers other than the origin, featuring a video-guided walkthrough and a 'Dilation Scavenger Hunt' activity.

Lenny Avatar
Lenny
1/19
Lesson
Shape Shifter Anchor Chart
Shape Shifter Slides
Transformation Card Sort Deck
Shape Shifter Exit Ticket
Shape Shifter Teacher Guide

Shape Shifters

This lesson guides students through the distinction between isometries and non-isometries (specifically dilations) using geometric properties. Students will analyze transformations, calculate scale factors, and determine which properties (distance vs. angle measure) are preserved.

Lenny Avatar
Lenny
1/19
Lesson
Invariant Investigation Worksheet
Stationary Points Slides
Precision Plotting Paper
Static Shapes Teacher Guide

Stationary Points

Students will explore the concept of invariant points under dilation, discovering that the only point that remains stationary is the center of dilation itself. The lesson uses a combination of video analysis and hands-on investigation to solidify this relationship.

Lenny Avatar
Lenny
1/19
Lesson
Point of Origin Teacher Guide
Point of Origin Presentation Slides
Ray Expansion Lab Worksheet
Construction Master Reference Sheet
Ray Expansion Lab Answer Key

Point of Origin

A hands-on geometry lesson where students learn to perform dilations using a compass and straightedge. Students explore the relationship between distance and scale factor while constructing enlargements and reductions without a coordinate grid.

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Lenny
1/19
Lesson
Shrink Ray Slides
Shrink Ray Lab Worksheet
Shrink Ray Teacher Guide

Scale Model Dilations

Students will learn the mechanics of dilations using the formula Preimage * Scale Factor = Image. They will apply this to a hands-on 'Shrink Ray' activity where they measure classroom objects and calculate the dimensions for a scaled-down miniature model.

Lenny Avatar
Lenny
1/19
Lesson
Inverse Insights Teacher Guide
Inverse Evolution Slides
Function Flip Activity
Domain Dilemma Journal
Function Flip Answer Key

Inverse Evolution

An 11th-grade math lesson exploring the conceptual link between the Vertical Line Test and Horizontal Line Test through graphical reflections and domain restrictions. Students investigate why some functions require restricted domains to have valid inverses.

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Lenny
1/19
Lesson
Proportion Power Slides
Proportion Power Worksheet
Proportion Power Stations
Proportion Power Key

Proportion Power Geometry

An 8th-grade review lesson focusing on solving proportions as a prerequisite for geometric similarity. Students participate in a mental math hook, a fast-paced video 'speed run' for algebraic setup, and a station-based application activity with similar triangles.

Lenny Avatar
Lenny
1/19
Lesson
Dimension Dilemma Teacher Guide
Dimension Dilemma Slides
Dimension Dilemma Lab Sheet
Dimension Dilemma Answer Key

Dimension Dilemma

A lesson exploring how scaling dimensions affects the volume of rectangular prisms, focusing on fractional edge lengths and the factor of 8 volume shift.

Lenny Avatar
Lenny
1/19
Lesson
Similarity Blueprint Teacher Guide
Similarity Blueprint Slides
Logic Puzzle Activity
Proof Toolkit Anchor Chart
Final Word Exit Ticket

Similarity Blueprint

A comprehensive lesson on writing two-column proofs for triangle similarity, featuring a blueprint-themed aesthetic. Includes a hook on shadow trigonometry, a video analysis of trapezoid proofs, and a collaborative 'scrambled proof' puzzle focusing on parallel lines and the AA postulate.

Lenny Avatar
Lenny
1/19
Lesson
Drafting Overlaps Slides
Architects of Similarity Worksheet
Overlapping Outlines Teacher Guide
Architects of Similarity Answer Key

Overlapping Outlines

A rigorous 9th-grade enriched math lesson focused on identifying, separating, and solving for unknowns in overlapping similar triangles using the 'Redraw and Label' strategy.

Lenny Avatar
Lenny
1/19
Lesson
Statement Map Teacher Guide
Statement Map Slides
Blueprint Challenge Worksheet
Angle Navigator Cards
Order Insight Journal

Statement Map Geometry

A 10th-grade geometry lesson focused on using similarity statements as algebraic maps to identify corresponding parts and calculate unknown values without relying on visual diagrams. Students engage in a collaborative "Blind Build" challenge where they must apply scale factors based solely on letter order.

Lenny Avatar
Lenny
1/19
Lesson
Polygon Portraits Slides
Redraw and Ratio Worksheet
Shape Shifters Cards
Similarity Check Exit Ticket
Similar Shapes Teacher Guide

Similarity Showdown

Students will learn to identify similar polygons by verifying congruent angles and proportional sides through a mix of sorting activities, video instruction, and hands-on redrawing practice.

Lenny Avatar
Lenny
1/19
Lesson
Expansion Project Teacher Guide
Expansion Project Slides
Expansion Project Handout

The Expansion Project

A geometry lesson where students explore similarity by creating and verifying similar polygons using specific scale factors through a collaborative drawing project.

Lenny Avatar
Lenny
1/19
Lesson
Puppy Park Slides
Puppy Park Workbook
Puppy Park Final Blueprint
Puppy Park Teacher Guide

Puppy Park Planner

A comprehensive mathematics performance task focused on the perimeter of rectangles, where students act as architects designing a new community puppy park. The lesson includes a presentation, a student workbook with collaborative and real-world components, and a final project guide.

KA

Kelise Antonio

Counselor
2/5
Lesson
Math at Work Slides
Career Connection Guide
Math Mission Log Worksheet

Math Careers Exploration

A comprehensive look at how 5th-grade mathematics is applied in various professional fields, featuring real-world problem-solving and career research.

TD

Terry Danby

Instructor
1/22
Lesson
Blueprint Bounds Worksheet
Blueprint Bounds Answer Key
Blueprint Bounds Slides

Radical Right Triangles

A lesson focused on applying the Pythagorean Theorem to find missing side lengths of right triangles, with a specific emphasis on expressing final answers as simplified radicals rather than decimals.

BR

Brian Riley

Math Teacher
1/21
Lesson
Planetary Math Teacher Guide
Orbital Area Slides
Eccentric Areas Worksheet

Planetary Math

A 10th-grade geometry lesson that bridges the gap between circle area and planetary motion. Students use the string-and-pin method to construct ellipses, verify the area formula \(A = \pi ab\), and explore Kepler's Second Law.

Lenny Avatar
Lenny
1/19
Lesson
Trajectory Tales Slides
Galileo Project Worksheet
Motion Discussion Cards
Trajectory Patterns Teacher Guide
Trajectory Tale Exit Ticket

Trajectory Tales and Greek Geometry

In this lesson, students bridge the gap between abstract Greek geometry and Renaissance physics by applying quadratic equations to projectile motion. Students watch a comprehensive breakdown of the kinematic-quadratic relationship, participate in historical-mathematical discussions, and design a catapult model that they must describe through theoretical algebraic modeling.

Lenny Avatar
Lenny
1/19
Lesson
Cylinder Lab Slides
Packaging Design Worksheet
Engineer Reference Sheet
Packaging Design Key
Cylinder Lab Teacher Guide

Cylinder Blueprint Lab

A middle school geometry lesson where students explore the surface area of cylinders through the lens of packaging engineering, distinguishing between lateral and total surface area.

Lenny Avatar
Lenny
1/19
Lesson
Precision Power Slides
Precision Comparison Worksheet
Precision Power Teacher Guide

Precision Power

A lesson focusing on the dangers of intermediate rounding in multi-step geometric calculations, specifically using the surface area of cylinders as a case study. Students compare results between rounding at every step versus using full calculator precision.

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Lenny
1/19
Lesson
Box Boss Teacher Guide
Perfect Fit Slides
Gift Wrap Challenge Worksheet
Perfect Fit Exit Ticket

Perfect Fit Packaging

Students will derive and apply the surface area formula for cubes to solve real-world packaging challenges. Through a hands-on 'Gift Wrap Challenge,' they will measure physical objects and calculate precise paper requirements to prove their mathematical accuracy.

Lenny Avatar
Lenny
1/19
Lesson
Slope Park Slides
Slope Park Blueprint Worksheet
Slope Park Rubric
Slope Park Teacher Guide

Slope Park Architects

Students design a custom skate park or amusement park on a coordinate grid, applying their knowledge of positive and negative slopes to create functional 'Slope Park' features. This lesson integrates art and engineering with 8th-grade geometry standards.

Lenny Avatar
Lenny
1/19
Lesson
Blueprint Basics Slides
Gazebo Blueprint Sheet
Architect Grid Paper
Design Lead Guide
Math Tool Reference

Poly Park Design

Students step into the shoes of landscape architects to design regular polygonal gazebos for a local park. They will use the area formula (1/2 * Perimeter * Apothem) to determine material costs and flooring needs.

Lenny Avatar
Lenny
1/19
Lesson
Geometry Designer Worksheet
Geometry Designer Rubric
Geometry Designer Slides
Geometry Designer Teacher Guide

Geometry Designer Composite Area

Students step into the role of graphic designers to master composite area. After analyzing corporate logos and reviewing subtraction-based area strategies from a targeted video, students design their own geometric logos and create a professional solution key for the shaded regions.

Lenny Avatar
Lenny
1/19
Lesson
Garden Geometry Teacher Guide
Garden Geometry Slides
Garden Geometry Project Instructions
Garden Geometry Design Graph Paper

Garden Geometry

A 10th-grade geometry lesson connecting algebraic binomial multiplication to geometric area through a garden design project. Students use the 'Box Method' to model and solve real-world area problems.

Lenny Avatar
Lenny
1/19
Lesson
Garden Design Task Sheet
Blueprint Gardens Presentation
Designer Solutions Key
Garden Design Teacher Guide

Blueprint Gardens

A 10th-grade algebra review lesson where students apply the AC method of factoring to determine the dimensions of rectangular garden plots, connecting algebraic expressions to geometric area.

Lenny Avatar
Lenny
1/19
Lesson
Map Master Teacher Guide
Campus Quest Slides
Campus Map Worksheet
Campus Map Answer Key

Campus Cartography

A lesson for 8th-10th grade students on using the distance formula to calculate straight-line distances on a coordinate-gridded campus map, featuring a video refresher and a scavenger hunt activity.

Lenny Avatar
Lenny
1/19
Lesson
Structural Strength Slides
Bisector Blueprints Worksheet
Truss Theory Teacher Guide

Truss Theory

Students will learn to use the Perpendicular Bisector Theorem and its converse to prove triangle congruence, exploring real-world applications in architectural trusses.

Lenny Avatar
Lenny
1/19
Lesson
Shrink Ray Slides
Shrink Ray Lab Worksheet
Shrink Ray Teacher Guide

Scale Model Dilations

Students will learn the mechanics of dilations using the formula Preimage * Scale Factor = Image. They will apply this to a hands-on 'Shrink Ray' activity where they measure classroom objects and calculate the dimensions for a scaled-down miniature model.

Lenny Avatar
Lenny
1/19
Lesson
Harvest Math Teacher Guide
Harvest Math Slides
Seed Catalog Handout
Farm Planning Worksheet
Plot Twist Exit Ticket

Harvest Math Area Model

A 4th-5th grade math lesson where students use the area model to calculate the total number of plants in various farm fields, progressing from concrete visualization to abstract partial products.

Lenny Avatar
Lenny
1/19
Lesson
Hidden Diagonals Teacher Guide
Hidden Diagonals Slides
Classroom Diagonal Activity Sheet
Boxed In Exit Ticket

Hidden Diagonals

Students discover and apply the 3D distance formula to find space diagonals in real-world contexts, specifically their own classroom. They will calculate the longest internal distance in a rectangular prism using the Pythagorean theorem twice.

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Lenny
1/19
Lesson
Inner Geometry Teacher Guide
Inner Geometry Slides
Inner Geometry Discovery Worksheet
Inner Geometry Cube Net

Inner Geometry

A 9th Grade Honors Geometry lesson focused on visualizing and calculating face and space diagonals in 3D cubes through physical modeling, video derivation, and algebraic analysis.

Lenny Avatar
Lenny
1/19
Lesson
Trig in the Wild Slides
Shadow Trigonometry Field Guide
Trig in the Wild Teacher Guide

Trig in the Wild

Students will transition from abstract SOH CAH TOA definitions to real-world indirect measurement using trigonometry. The lesson features a hands-on field activity where students measure the height of structures using clinometers and the tangent ratio.

Lenny Avatar
Lenny
1/19
Lesson
Vector Voyages Slides
Translation Practice Packet
Vector Voyages Answer Key
Vector Voyages Facilitator Guide
Quick Start Bell Ringer
Translation Task Cards
Task Cards Answer Key
Voyage Log Exit Ticket

Vector Voyages

A modified geometry lesson focused exclusively on translations, featuring visual aids, simplified language, and scaffolded practice for high school students.

EE

Erin Esswein

Special Education Teacher
2/4
Lesson
Quad Logic Lesson Plan
Paper Quadrilaterals Handout
Venn Diagram Mat Handout

Quad Logic Classification

A lesson on classifying quadrilaterals based on their properties using hierarchies and Venn diagrams, adapted from the Bridges in Mathematics Grade 5 curriculum.

M

Maddi

Elementary Teacher
2/3
Lesson
Mirror Image Teacher Guide
Mirror Image Slides
Mirror Image Worksheet
Mirror Image Answer Key

Mirror Image

Students explore reflections across the x-axis, y-axis, and other lines, learning how to identify line of symmetry and coordinate rules for flipping figures.

M

Maddi

Elementary Teacher
2/3
Lesson
Slide and Glide Teacher Guide
Slide and Glide Slides
Slide and Glide Worksheet
Slide and Glide Answer Key

Slide and Glide

An introduction to translations where students learn to slide figures across the coordinate plane using vector notation and coordinate rules.

M

Maddi

Elementary Teacher
2/3
Lesson
Slide Squad Slides

Slide Squad

A scaffolded lesson on geometric translations that simplifies complex vocabulary, breaks down coordinate rules into manageable steps, and provides clear visual anchors for students.

EE

Erin Esswein

Special Education Teacher
2/3
Lesson
Slide Squad Teacher Guide
Slide Squad Reference Sheet
Slide Mastery Worksheet
Slide Practice Worksheet
Slide Squad Flashcards
Slide Squad Answer Key

Slide Squad

A scaffolded lesson on geometric translations that simplifies complex vocabulary, breaks down coordinate rules into manageable steps, and provides clear visual anchors for students.

EE

Erin Esswein

Special Education Teacher
2/2
Lesson
Target TSIA2 Math Worksheet
Target TSIA2 Math Key

TSIA2 Target Practice

A comprehensive 20-question practice test and answer key designed to prepare students for the TSIA2 Mathematics assessment, focusing on algebraic, geometric, and statistical reasoning.

JW

Jessica Waters

Math Teacher
1/21
Lesson
Pizza Shift Teacher Guide
Pizza Shift Slides
Pizza Shift Worksheet

Pizza Graph Shifts

A 10th-grade math lesson that bridges coordinate geometry with economics. Students interpret and construct line graphs (demand curves) and analyze how non-price factors cause parallel shifts in the graph.

Lenny Avatar
Lenny
1/19
Lesson
Mirror Move Teacher Guide
Reflection Rule Book Organizer
Station Point Cards
Station Rotation Log
Mirror Move Exit Ticket

Mirror Move Notation

A 9th-grade geometry lesson where students derive and apply coordinate notation rules for reflections across the x-axis, y-axis, y=x, and y=-x lines using a video guide and station rotation activity.

Lenny Avatar
Lenny
1/19
Lesson
Human Mirror Slides
Human Reflection Teacher Guide
Reflection Rebel Journal
Human Reflection Answer Key

Human Mirror Reflections

A kinesthetic geometry lesson where students physically walk a large floor grid to internalize coordinate notation for reflections across the x-axis, y-axis, y=x, and y=-x.

Lenny Avatar
Lenny
1/19
Lesson
Retrograde Reflections Slides
Reverse Logic Blueprint Guide
Secret Schematic Swap Activity
Reflection Architect Guide

Reverse Engineering Reflections

A high school geometry lesson focused on solving for pre-image coordinates using reflection notation and algebraic equations. Students learn to 'reverse engineer' transformations by setting up and solving coordinate-specific equations.

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Lenny
1/19
Lesson
Reflective Symmetry Teacher Guide
Reflective Symmetry Slides
Reflective Symmetry Student Packet

Reflective Symmetry Review

A high-school geometry lesson focused on mastering reflection rules through coordinate notation and creative mandala art. Students review rules via a professional video and then synthesize their knowledge to create symmetrical coordinate designs.

Lenny Avatar
Lenny
1/19
Lesson
Reflections Case Files Anchor Chart
Pattern Detectives Slides
Pattern Detectives Worksheet
Pattern Detectives Answer Key
Pattern Detectives Teacher Guide

Coordinate Pattern Detectives

Students will investigate the relationship between pre-image and image coordinates during reflections. They will act as 'Pattern Detectives' to derive algebraic rules from numerical patterns observed in reflections across the x-axis, y-axis, and diagonal lines.

Lenny Avatar
Lenny
1/19
Lesson
Vector Vision Teacher Guide
Complex Plane Graph Paper Worksheet
Vector Vision Slideshow

Vector Vision Complex Numbers

Students transition from algebraic addition and subtraction of complex numbers to a visual, vector-based representation on the complex plane. This lesson uses a provided video as a foundation for algebraic mastery before extending into graphical verification.

Lenny Avatar
Lenny
1/19
Lesson
Dilation Director Guide
Off Center Dilations Slides
Dilation Scout Worksheet
Grid Master Paper

Off Center Dilations

A comprehensive lesson for 8th and 9th-grade students on performing dilations on a coordinate plane with centers other than the origin, featuring a video-guided walkthrough and a 'Dilation Scavenger Hunt' activity.

Lenny Avatar
Lenny
1/19
Lesson
Shape Shifter Anchor Chart
Shape Shifter Slides
Transformation Card Sort Deck
Shape Shifter Exit Ticket
Shape Shifter Teacher Guide

Shape Shifters

This lesson guides students through the distinction between isometries and non-isometries (specifically dilations) using geometric properties. Students will analyze transformations, calculate scale factors, and determine which properties (distance vs. angle measure) are preserved.

Lenny Avatar
Lenny
1/19
Lesson
Invariant Investigation Worksheet
Stationary Points Slides
Precision Plotting Paper
Static Shapes Teacher Guide

Stationary Points

Students will explore the concept of invariant points under dilation, discovering that the only point that remains stationary is the center of dilation itself. The lesson uses a combination of video analysis and hands-on investigation to solidify this relationship.

Lenny Avatar
Lenny
1/19
Lesson
Quadrant Quest Slides
Unit Circle Toolkit Reference
Sign Hunt Worksheet
Sign Hunt Exit Ticket
Quadrant Quest Teacher Guide

Quadrant Quest

A high school trigonometry lesson focusing on the critical step of quadrant analysis in half-angle identities, ensuring students choose the correct sign for trigonometric outputs.

Lenny Avatar
Lenny
1/19
Lesson
Shift Master Teacher Guide
Translation Mastery Slides
Slide Step Worksheet
Vector Victory Cards

Translation Mechanics Mastery

This lesson focuses on performing translations on a coordinate plane, emphasizing counting units and using prime notation. It utilizes physical movement, a guided video tutorial, and a game-based activity to build foundational geometry skills for 8th-grade intervention students.

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Lenny
1/19
Lesson
Pattern Pilot Teacher Guide
Shift Shapes Slides
Tile Tracker Worksheet

Shift Shapes

An integrated math and art lesson where students explore geometric translations through the works of M.C. Escher and create their own interlocking 'translation tessellation' tiles.

Lenny Avatar
Lenny
1/19
Lesson
Math Blueprint Slides
Formula Arsenal Flashcards
Math Navigator Guide
Algebra Arsenal Worksheet
Geometry Grid Worksheet
Mastery Key Teacher Guide

Math Mastery

A comprehensive ACT Math preparation module focusing on core concepts, time management strategies, and targeted practice across all test categories.

KH

Katie Heck

Counselor
1/27
Lesson
Trig Swap Slides
Trig Swap Worksheet
Trig Swap Teacher Guide
Trig Swap Answer Key

Trig Swap

A 10th-grade geometry lesson exploring the co-function relationship between sine and cosine using right triangles and complementary angles. Students analyze a video, complete a comparison table, and conduct a hands-on verification activity.

Lenny Avatar
Lenny
1/19
Lesson
Ratio Masters Slides
Ratio Masters Worksheet
Ratio Masters Station Cards
Ratio Masters Teacher Guide

Triangle Ratios Mastery

A comprehensive lesson introducing students to sine, cosine, and tangent ratios through visual instruction, guided practice, and hands-on station rotations. Students will master the SOH CAH TOA mnemonic and apply it to various right triangles.

Lenny Avatar
Lenny
1/19
Lesson
Trig in the Wild Slides
Shadow Trigonometry Field Guide
Trig in the Wild Teacher Guide

Trig in the Wild

Students will transition from abstract SOH CAH TOA definitions to real-world indirect measurement using trigonometry. The lesson features a hands-on field activity where students measure the height of structures using clinometers and the tangent ratio.

Lenny Avatar
Lenny
1/19
Lesson
Handy Trig Slides
Handy Trig Worksheet
Handy Trig Table
Handy Trig Exit Ticket
Handy Trig Answer Key
Handy Trig Slides Revised

Handy Trig Derivation

A high school geometry lesson teaching the Left-Hand Technique to quickly derive sine and cosine values for first-quadrant special angles (30, 45, and 60 degrees). Students compare this physical mnemonic to traditional triangle-based derivation for speed and accuracy.

Lenny Avatar
Lenny
1/19
Lesson
Handy Trig Facilitation Guide
Handy Trig Presentation Slides
Pattern Hunters Activity Sheet
Trig Patterns Reflection Journal

Handy Trig Patterns

A 10th-grade math lesson that introduces the Left-Hand Technique for memorizing trig values of special angles, focusing on pattern recognition and the mathematical logic behind the shortcut.

Lenny Avatar
Lenny
1/19
Lesson
Course Correction Slides
Navigator's Logbook Worksheet
Discussion Cards Discussion Cards
Bridge Comms Roleplay Scenarios
Navigator Logbook Answer Key

Course Correction

A 10th-grade advanced math lesson focused on the difference between standard trigonometric angles and navigational bearings, featuring vector addition applications.

Lenny Avatar
Lenny
1/19
Lesson
Tangent Trail Worksheet
Tangent Surveyor Guide
Tangent Surveyor Slides
Tangent Surveyor Teacher Guide
Tangent Surveyor Answer Key

Tangent Surveyor Lab

A high school geometry lesson focused on using the tangent ratio and clinometers to solve real-world height problems through an 'Indirect Measurement Lab'.

Lenny Avatar
Lenny
1/19
Lesson
Trig Quest Worksheet
Trig Blueprint Slides
Angle Architect Anchor Chart
Problem Design Rubric
Angle Architects Teacher Guide

Angle Architects

Students master trigonometric word problems by analyzing real-world scenarios, watching a guided tutorial, and designing their own 'Angle Architecture' posters. The lesson focuses on correctly identifying angles of elevation and depression and applying SOH CAH TOA.

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Lenny
1/19
Lesson
Perspective Switch Slides
Perspective Switch Worksheet
Perspective Switch Teacher Guide

Perspective Switch Trig Ratios

Students will explore how the labels 'Opposite' and 'Adjacent' are relative to the chosen reference angle. Through a video demonstration and a collaborative partner activity, they will discover the relationship between the trigonometric ratios of complementary angles.

Lenny Avatar
Lenny
1/19
Lesson
Detective Trig Slides
Detective Trig Case File Worksheet
Detective Trig Teacher Guide
Detective Trig Props Material

Detective Trig Case

Students become 'Trig Detectives' to solve cases where they must deduce missing side lengths of right triangles by working backwards from given tangent ratios. The lesson features a video-guided walkthrough of the 'Justin Method' followed by a hands-on case file investigation.

Lenny Avatar
Lenny
1/19
Lesson
Trig Masters Slides
Create a Quiz Worksheet
Triple Toolkit Reference Sheet
Trig Masters Teacher Guide

Trig Masters

A hands-on trigonometry lesson where students design their own right-triangle problems using Pythagorean triples to master SOH CAH TOA ratios.

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Lenny
1/19
Lesson
Identity Mastery Teacher Guide
Identity Discovery Slides
Cofunction Logic Worksheet
Cofunction Logic Answer Key

Cofunction Connection Discovery

Students discover the cofunction relationships between sine and cosine through a combination of calculator exploration and geometric proofs using right triangles. The lesson emphasizes the concept of complementary angles and the etymology of trigonometric terms.

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Lenny
1/19
Lesson
Peak Perspective Teacher Guide
Peak Perspective Slides
Peak Perspective Group Activity
Precision Profile Rubric

Peak Perspective

A high-school trigonometry lesson focused on solving 'Double Triangle' problems using systems of equations. Students analyze a composite triangle problem via video demonstration and then collaborate to solve a real-world surveying scenario.

Lenny Avatar
Lenny
1/19
Lesson
Legal Brief Worksheet
Case Files Slides
Evidence Card Pack
Senior Partner Facilitation Guide

Case of the Crooked Triangles

A courtroom-themed lesson where students act as 'Law-yers' to determine whether the Law of Sines or Law of Cosines is the correct 'legal' approach to solving non-right triangle cases. Students analyze geometric evidence (AAS, ASA, SAS, SSS) to build their arguments.

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Lenny
1/19
Lesson
Trig Doctor Anchor Chart
Trig Doctor Slides
Trig Doctor Practice Sheet
Trig Doctor Scenarios
Trig Doctor Teacher Guide
Trig Doctor Answer Key

Trig Doctor Diagnosis

A medical-themed geometry lesson where students act as 'Trig Doctors' to diagnose right triangles and prescribe the correct trigonometric ratio to find missing sides.

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Lenny
1/19
Lesson
Area Arsenal Slides
Triangle Sort Cards
Sort and Solve Sheet
Triangular Tactics Teacher Guide
Area Arsenal Answer Key

Triangular Tactics

A review lesson focused on selecting the most efficient area formula (Base/Height, SAS, or Heron's) for various triangles. Students practice diagnostic skills through a flash warm-up and a collaborative card-sorting activity.

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Lenny
1/19
Lesson
Sine Secret Slides
Trig Area Problem Cards
Trig Area Station Sheet
Sine Secret Teacher Guide

Sine Secret Area

A trigonometry lesson focused on calculating the area of a triangle using the SAS sine formula, including a video analysis of the relationship between the sine rule and the standard area formula.

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Lenny
1/19
Lesson
Calculator Last Teacher Guide
Calculator Last Whiteboards Slides
Precision Check Exit Ticket

Calculator Last Precision

A high school math lesson focused on algebraic precision in trigonometry, teaching students to isolate variables before using a calculator to avoid rounding errors. includes a warm-up, video-guided instruction, a 'Calculator Last' challenge, and an exit ticket.

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Lenny
1/19
Lesson
Precision Protocol Lesson Plan
Cost of Rounding Slides
Telephone Math Activity
Math Precision Rubric

The Cost of Rounding

A high-school honors geometry lesson exploring the cumulative impact of rounding errors in multi-step trigonometric calculations. Students engage in a 'Telephone Game' style investigation to compare accuracy between rounded and exact mathematical forms.

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Lenny
1/19
Lesson
Math Blueprint Slides
Formula Arsenal Flashcards
Math Navigator Guide
Algebra Arsenal Worksheet
Geometry Grid Worksheet
Mastery Key Teacher Guide

Math Mastery

A comprehensive ACT Math preparation module focusing on core concepts, time management strategies, and targeted practice across all test categories.

KH

Katie Heck

Counselor
1/27
Lesson
Shadow Scholar Teacher Guide
Earth Measure Slides
Circumference Quest Worksheet

Earth's Shadow Secret

Students explore how Eratosthenes used simple geometry and shadows to calculate the Earth's circumference, blending history with proportional reasoning.

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Lenny
1/19
Lesson
Precise Pie Charts Lesson Plan
My 24 Hours Worksheet
Slice of Life Slides
My 24 Hours Answer Key

Precise Pie Charts

A 7th-grade math lesson focused on constructing circle graphs using protractors. Students calculate percentages and degrees from their personal daily time data and learn to accurately measure and draw sectors.

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Lenny
1/19
Lesson
Degree Detectives Presentation
Sector Secrets Worksheet
Angle Check Exit Ticket
Protractor Pro Teacher Guide

Degree Detectives

Students will learn to calculate central angles for circle graph sectors by converting percentages to degrees using the formula $360 \times \text{decimal percent}$. The lesson includes a video tutorial, a practical calculation activity based on a school day dataset, and a verification check.

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Lenny
1/19
Lesson
Spandrel Secrets Teacher Guide
Hidden Curves Slides
Negative Space Challenge Sheet
Negative Space Answer Key

Hidden Curves

Students explore the geometry of negative space through 'spandrels'—the shapes left over when curves are placed within polygons. This lesson uses algebraic decomposition and visual transformations to solve complex area problems, culminating in the creation of generalized formula sheets.

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Lenny
1/19
Lesson
Blueprint Breakdown Teacher Guide
Blueprint Breakdown Slides
Park Design Challenge Worksheet
Geometry Blueprint Reference Sheet
Park Design Rubric
Park Design Exit Ticket

Blueprint Breakdown

Students learn to find the area of complex composite figures by decomposing them into simpler shapes like circles, semi-circles, and triangles. The lesson features a video analysis of algebraic vs visual solutions and a collaborative urban planning design challenge.

Lenny Avatar
Lenny
1/19
Lesson
Pi Power Presentation
Reverse Logic Worksheet
Complex Shapes Worksheet
Literal Logic Teacher Guide

Literal Circle Logic

This lesson introduces 8th-grade students to literal equations and algebraic manipulation through the lens of circle area formulas, focusing on treating $\pi$ as a constant symbol rather than a decimal approximation.

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Lenny
1/19
Lesson
Pi Precision Teacher Guide
Pi Precision Presentation Slides
Pi Perspective Discussion Cards
The Pi Sort Activity Cards
Pi Precision Reflection Journal

Precision of Pi

A 7th-grade math lesson that explores the difference between approximate and exact circle area calculations, introducing the concept of 'in terms of Pi' through video analysis, discussion, and a sorting activity.

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Lenny
1/19
Lesson
Pizza Math Teacher Guide
Slice Science Slides
Slice Science Worksheet
Circle Secrets Anchor Chart

Slice Science

A high school geometry lesson on calculating arc length and sector area using a 'Pizza Slices' theme. Students review basic circle formulas, analyze a video demonstration, and apply their knowledge to real-world pizza dimensions.

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Lenny
1/19
Lesson
Circle Lab Teacher Guide
Circle Lab Worksheet
Roundabout Rules Slides
Circle Lab Answer Key

Circumference Circles Lab

A 6th-grade math lesson where students discover the relationship between diameter and circumference by measuring classroom objects and applying the formula C = πd using different approximations of pi.

Lenny Avatar
Lenny
1/19
Lesson
Project Lead Guide
Arch Rivals Slides
Master Carpenter Guide
Blueprint Draft Paper
Estimator Cheat Sheet
Project Success Rubric

Arch Rivals

Students step into the role of master carpenters to design a custom 'Norman Window'—a rectangular base topped with a semicircular arch. Using concepts of semicircle perimeter and algebraic constraints, they must optimize window dimensions while staying within a fixed material budget.

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Lenny
1/19
Lesson
Reverse Engineering Teacher Guide
Shape Logic Slides
Reverse Engineer Problem Set
Operation Undo Anchor Chart
Geometry Toolkit Reference

Reverse Engineering Geometry

A 9th-grade geometry lesson where students work backward from perimeter to find area, focusing on algebraic isolation and inverse operations using circles, semicircles, and polygons.

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Lenny
1/19
Lesson
Closing the Loop Teacher Guide
Closing the Loop Slides
Close the Loop Worksheet
Arc vs Perimeter Exit Ticket

Closing the Loop

Students will learn to distinguish between the arc length and the total perimeter of a semicircle, focusing on the inclusion of the diameter to 'close the loop.' The lesson includes a hands-on measurement warm-up, a video analysis, and practice problems.

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Lenny
1/19
Lesson
Subtracting Spaces Teacher Guide
Negative Space Slides
Shaded Region Worksheet
Area Formula Blueprint Reference Sheet

Negative Space Discovery

Students will master the area subtraction method for composite figures, specifically focusing on sectors of circles and equilateral triangles, while learning the value of exact mathematical form.

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Lenny
1/19
Lesson
Triangle Shortcuts Teacher Guide
Triangle Shortcuts Presentation
Triangle Shortcut Exit Ticket

Triangle Shortcuts

Students derive the shortcut formula for the area of an equilateral triangle and compare its efficiency to traditional methods. The lesson culminates in solving a complex inscribed-sector problem using the newly mastered formula.

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Lenny
1/19
Lesson
Cutaway Method Slides
Cutaway Practice Handout
Cutaway Answer Key

The Cutaway Method

A high-energy SAT/ACT prep lesson focused on the 'subtraction method' for geometry problems, using video analysis and timed practice to build speed and accuracy.

Lenny Avatar
Lenny
1/19
Lesson
Precision Pursuit Teacher Guide
Precision Pursuit Slides
Exact Match Cards
Precision Reflection Journal Sheet

Precision Pursuit

A high-school geometry lesson exploring the critical difference between exact mathematical forms and decimal approximations, featuring a complex area problem and a hands-on matching activity.

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Lenny
1/19
Lesson
Radial Radiance Teacher Guide
Radial Radiance Slides
Radial Radiance Worksheet

Radial Radiance

A high school geometry and pre-calculus lesson focusing on the area of circular sectors and the conversion between degrees and radians through the lens of architectural glass design.

Lenny Avatar
Lenny
1/19
Lesson
Workshop Facilitator Guide
Workshop Presentation Slides
Finger Trig Guide Activity Sheet
Quadrant One Blank Diagram Assessment

Left Hand Fluency Workshop

A high-energy, precision-focused workshop where 11th-grade students master the Quadrant I coordinates of the unit circle using the 'Left Hand' finger trick, moving from conceptual understanding to instant recall fluency.

Lenny Avatar
Lenny
1/19
Lesson
Trig Detective Teacher Guide
Trig Detective Clue Cards
Unit Circle Worklog Template
Unit Circle Slides Presentation

Reverse Engineering the Unit Circle

Students will learn to reverse engineer the unit circle by identifying angles (30, 45, and 60 degrees) based on their sine and cosine values, conceptualizing inverse trigonometric relationships through a 'Trig Detective' activity.

Lenny Avatar
Lenny
1/19