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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

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.

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.
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.
Material
Polar Mastery Answer Key

Polar Mastery Answer Key

Comprehensive teacher answer key for the Polar Coordinates Exit Ticket series, including step-by-step solutions and conceptual explanations.

S

SANDRA.MOORE

Math Teacher
4/16
Material
Complex Polar Exit Ticket

Complex Polar Exit Ticket

An exit ticket for representing complex numbers in polar form, performing multiplication in polar form, and applying De Moivre's Theorem.

S

SANDRA.MOORE

Math Teacher
4/16
Material
Curve Chaos Exit Ticket

Curve Chaos Exit Ticket

An exit ticket focused on identifying and analyzing polar graphs like limacons, cardioids, and rose curves, including matching and symmetry identification.

S

SANDRA.MOORE

Math Teacher
4/16
Material
Vector Vision Exit Ticket

Vector Vision Exit Ticket

An exit ticket for polar coordinate plotting and conversions between rectangular and polar forms, featuring a clean radar-themed layout and a polar grid for graphing.

S

SANDRA.MOORE

Math Teacher
4/16
Material
Cross Conqueror Handout

Cross Conqueror Handout

A step-by-step instructional handout for the 'White Cross' (Step 1) of solving a Rubik's Cube, featuring the Daisy method for beginners. Includes clear visual targets, checklists, and troubleshooting tips.

KW

Kyleen Wilkins

Other
3/16
Material
Target TSIA2 Math Key

Target TSIA2 Math Key

A detailed answer key for the adjusted TSIA2 Math practice test, featuring the new distribution of quantitative, algebraic, geometric, and statistical questions.

JW

Jessica Waters

Math Teacher
1/21
Material
Target TSIA2 Math Worksheet

Target TSIA2 Math Worksheet

A 20-question multiple-choice practice test for the TSIA2 Mathematics assessment, with a specific distribution of quantitative (6), algebraic (7), geometric (3), and statistical (4) questions.

JW

Jessica Waters

Math Teacher
1/21
Material
Mirror Math Teacher Guide

Mirror Math Teacher Guide

A comprehensive teacher guide for the Mirror Math lesson. Includes a materials checklist, pacing guide, strategic video pause points with discussion questions, troubleshooting tips for the hands-on activity, and a full answer key.

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Lenny
1/19
Material
Mirror Math Slides

Mirror Math Slides

A comprehensive slide presentation for teaching inverse functions visually. Features conceptual diagrams, embedded video prompts, guided activity steps, and visual proofs of the coordinate swap property.

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Lenny
1/19
Material
Mirror Math Worksheet

Mirror Math Worksheet

A hands-on student worksheet for exploring inverse functions. Includes a warm-up for graphing y=x, a video analysis table for cubic functions, a large grid for the 'Fold and Trace' activity, and an exit ticket for coordinate verification.

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Lenny
1/19
Material
Reflection Lab Rubric

Reflection Lab Rubric

A formal grading rubric for the Reflection Lab. It evaluates students on graphing accuracy, the precision of their fold transformation, algebraic verification steps, and critical reflection on function invertibility.

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Lenny
1/19
Material
Reflection Lab Worksheet

Reflection Lab Worksheet

A specialized graph paper worksheet for the 'Fold and Trace' activity. Includes an identity line (y=x), data tables for original and inverse points, and a space for algebraic verification.

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Lenny
1/19
Material
Reflection Point Slides

Reflection Point Slides

A comprehensive presentation for teaching the visual and algebraic properties of inverse functions, featuring embedded video instruction and step-by-step activity guides.

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Lenny
1/19
Material
Grid Master Teacher Guide

Grid Master Teacher Guide

A facilitation guide for teachers leading the 'Robot Vector Commands' lesson. Includes floor setup instructions for the tape grid, activity facilitation tips, and a complete answer key for the student navigation log.

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Lenny
1/19
Material
Robot Vector Commands Slides

Robot Vector Commands Slides

A visual presentation for the 'Robot Vector Commands' lesson. It includes a warm-up, the embedded vector video (magnitude-to-component segment), instructions for the robotics activity, and an extension on video game movement code.

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Lenny
1/19
Material
Programmer Console Worksheet

Programmer Console Worksheet

A student worksheet for the 'Robot Vector Commands' lesson. It includes a warm-up on sketching angles, notes for the magnitude-to-component video segment, and a log for the hands-on robot programming activity.

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Lenny
1/19
Material
Radial Navigation Teacher Guide

Radial Navigation Teacher Guide

Facilitation guide for teachers, including a lesson overview, timing for video segments, discussion prompts, common misconceptions, and a visual answer key for the sketching activity.

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Lenny
1/19
Material
Precision Estimators Worksheet

Precision Estimators Worksheet

Student practice worksheet for estimating and sketching angles in standard position. Includes sections for warm-up, video note-taking, and peer-reviewed sketching practice.

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Lenny
1/19
Material
Radial Navigation Slides

Radial Navigation Slides

Visual presentation for the 'Radial Navigation' lesson, featuring interactive warm-up instructions, a video placeholder for standard position angles, and the 'Closer-To' strategy for logical estimation.

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Lenny
1/19
Material
Vector Walks Facilitator Guide

Vector Walks Facilitator Guide

Comprehensive teacher guide for the Vector Walks lesson, including pacing, specific video timestamps for discussion, an answer key, and guidance on addressing common student misconceptions.

Lenny Avatar
Lenny
1/19
Material
Metro Masterplan Project

Metro Masterplan Project

A summative project guide where students design a city's infrastructure layout, constructing a 5-seed Voronoi diagram and providing mathematical proof of its efficiency.

BW

Brian Whalen

Math Teacher
4/7
Material
Precision Plotting Worksheet

Precision Plotting Worksheet

A math worksheet that combines geometry and algebra, requiring students to calculate the equations of perpendicular bisectors and find Voronoi vertices through systems of linear equations.

BW

Brian Whalen

Math Teacher
4/7
Material
City Seeders Activity

City Seeders Activity

A hands-on activity sheet where students use a compass and straightedge to construct a Voronoi diagram for three "fire stations" on a grid, reinforcing the concept of the perpendicular bisector.

BW

Brian Whalen

Math Teacher
4/7
Material
Blueprint Slides

Blueprint Slides

A visual slide deck that defines Voronoi diagrams, explains the construction algorithm using perpendicular bisectors, and shows real-world applications in urban planning and beyond.

BW

Brian Whalen

Math Teacher
4/7
Material
Urban Architect Guide

Urban Architect Guide

A comprehensive lesson plan for teachers, outlining the instructional sequence, learning objectives, and materials needed to teach Voronoi diagrams through an urban planning lens.

BW

Brian Whalen

Math Teacher
4/7
Material
Dimension Shift Answer Key

Dimension Shift Answer Key

A detailed answer key and pedagogical guide for teachers, providing step-by-step solutions for 3D distance and optimization problems along with conceptual discussion prompts.

Lenny Avatar
Lenny
1/19
Material
Dimension Shift Discussion Cards

Dimension Shift Discussion Cards

Thought-provoking discussion cards designed to facilitate deep synthesis of 2D/3D geometry concepts, pattern recognition, and real-world engineering applications.

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Lenny
1/19
Material
Dimension Shift Slides

Dimension Shift Slides

A sleek, dark-themed slide deck for 11th-12th grade math instruction, featuring the embedded YouTube video and clear visual breakdowns of 3D distance and point-to-line formulas.

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Lenny
1/19
Material
Dimension Shift Worksheet

Dimension Shift Worksheet

A technical, blueprint-style worksheet for 11th-12th grade math students focusing on 3D distance calculations and real-world point-to-line optimization problems.

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Lenny
1/19
Material
Linear Algebra Bridge Guide

Linear Algebra Bridge Guide

Teacher reference guide for connecting geometric rotation of conics to matrix representation and diagonalization in Lesson 5.

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Lenny
1/17
Material
Eigenvalue Shortcut Sheet

Eigenvalue Shortcut Sheet

Student notes on finding eigenvalues to get A' and C', providing a linear algebra shortcut for rotating conic sections.

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Lenny
1/17
Material
Matrix Magic Slides

Matrix Magic Slides

Slides introducing matrix representations and eigenvalues as a pathway to diagonalizing quadratic forms.

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Lenny
1/17
Material
Coordinate Shift Key

Coordinate Shift Key

Answer key for the Master Sketcher project, detailing the full algebraic transformation and final standard form for the given hyperbola.

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Lenny
1/17
Material
Master Sketcher Project

Master Sketcher Project

A comprehensive workshop activity where students perform a complete rotation of axes transformation and graph the resulting conic.

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Lenny
1/17
Material
Graphing Workshop Slides

Graphing Workshop Slides

Slides providing a step-by-step example and procedure for graphing rotated conic sections.

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Lenny
1/17
Material
Invariant Proof Notes

Invariant Proof Notes

Teacher reference notes providing the algebraic and matrix-based proofs for the invariance of the discriminant under rotation.

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Lenny
1/17
Material
Quick Classify Quiz

Quick Classify Quiz

A rapid identification worksheet for classifying rotated conic sections using the discriminant B^2 - 4AC.

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Lenny
1/17
Material
Discriminant Power Slides

Discriminant Power Slides

Slides introducing the invariant discriminant B^2 - 4AC and its use in classifying rotated conic sections.

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Lenny
1/17
Material
Formula Derivation Guide

Formula Derivation Guide

Teacher guide providing a step-by-step derivation of the rotation of axes formulas and the condition for eliminating the cross-product term.

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Lenny
1/17
Material
Angle Hunter Activity

Angle Hunter Activity

Student worksheet focused on calculating the rotation angle and exact trigonometric values for coordinate transformations.

Lenny Avatar
Lenny
1/17
Material
Metro Masterplan Project

Metro Masterplan Project

A summative project guide where students design a city's infrastructure layout, constructing a 5-seed Voronoi diagram and providing mathematical proof of its efficiency.

BW

Brian Whalen

Math Teacher
4/7
Material
Precision Plotting Worksheet

Precision Plotting Worksheet

A math worksheet that combines geometry and algebra, requiring students to calculate the equations of perpendicular bisectors and find Voronoi vertices through systems of linear equations.

BW

Brian Whalen

Math Teacher
4/7
Material
City Seeders Activity

City Seeders Activity

A hands-on activity sheet where students use a compass and straightedge to construct a Voronoi diagram for three "fire stations" on a grid, reinforcing the concept of the perpendicular bisector.

BW

Brian Whalen

Math Teacher
4/7
Material
Blueprint Slides

Blueprint Slides

A visual slide deck that defines Voronoi diagrams, explains the construction algorithm using perpendicular bisectors, and shows real-world applications in urban planning and beyond.

BW

Brian Whalen

Math Teacher
4/7
Material
Urban Architect Guide

Urban Architect Guide

A comprehensive lesson plan for teachers, outlining the instructional sequence, learning objectives, and materials needed to teach Voronoi diagrams through an urban planning lens.

BW

Brian Whalen

Math Teacher
4/7
Material
Real World Answer Key

Real World Answer Key

Teacher answer key for Lesson 5, providing worked solutions and contextual resolutions for the real-world word problems.

Lenny Avatar
Lenny
1/17
Material
Ambiguous Signal Worksheet

Ambiguous Signal Worksheet

Student word problem set for Lesson 5 where they must solve for both ambiguous solutions and use context clues to determine the correct real-world answer.

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Lenny
1/17
Material
Real World Ambiguity Slides

Real World Ambiguity Slides

Slides for Lesson 5 exploring real-world applications of the ambiguous case, such as radar and surveying, and how to use context to determine the correct solution.

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Lenny
1/17
Material
The Predictor Exit Ticket

The Predictor Exit Ticket

Quick check assessment for Lesson 4 to verify that students can correctly predict the number of triangle solutions based on given dimensions.

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Lenny
1/17
Material
SSA Decision Tree Handout

SSA Decision Tree Handout

Reference flowchart for Lesson 4 classifying SSA triangle scenarios based on height and side length relationships.

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Lenny
1/17
Material
Predicting Triangles Slides

Predicting Triangles Slides

Slides for Lesson 4 on predicting the number of solutions in SSA cases using side and height relationships.

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Lenny
1/17
Material
Double Trouble Worksheet

Double Trouble Worksheet

Practice worksheet for Lesson 3 where students solve for both triangles in the ambiguous case and verify the existence of the second solution.

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Lenny
1/17
Material
Two Triangle Protocol Handout

Two Triangle Protocol Handout

Step-by-step procedural guide for students on how to solve for both triangles in the ambiguous case (SSA).

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Lenny
1/17
Material
Two Triangle Slides

Two Triangle Slides

Slides for Lesson 3 explaining the 'Two Solution' case of SSA. Introduces the concept of supplementary angles and the triangle validity check.

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Lenny
1/17
Material
No Solution Answer Key

No Solution Answer Key

Teacher answer key for Lesson 2, providing worked solutions and geometric explanations for the 'No Solution' case.

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Lenny
1/17
Material
No Solution Worksheet

No Solution Worksheet

Worksheet for Lesson 2 focusing on calculating the height of a triangle to determine if a solution is possible, and explaining calculator errors.

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Lenny
1/17
Material
No Solution Slides

No Solution Slides

Slides for Lesson 2 explaining the 'No Solution' case of SSA. Connects geometric impossibility (gap) to algebraic error (sin > 1).

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Lenny
1/17
Material
Swinging Gate Teacher Guide

Swinging Gate Teacher Guide

Teacher guidance and facilitation notes for Lesson 1, focusing on the visual discovery of SSA ambiguity and the mathematical thresholds for solutions.

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Lenny
1/17
Material
Swinging Gate Worksheet

Swinging Gate Worksheet

Student investigation worksheet for Lesson 1 where students construct triangles with specific SSA dimensions to discover the varying number of possible solutions.

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Lenny
1/17
Material
Swinging Gate Slides

Swinging Gate Slides

Introductory slide deck for Lesson 1, introducing the concept of the 'Swinging Gate' in SSA triangle construction. Uses a blueprint/geometric visual theme.

Lenny Avatar
Lenny
1/17
Material
Target TSIA2 Math Key

Target TSIA2 Math Key

A detailed answer key for the adjusted TSIA2 Math practice test, featuring the new distribution of quantitative, algebraic, geometric, and statistical questions.

JW

Jessica Waters

Math Teacher
1/21
Material
Target TSIA2 Math Worksheet

Target TSIA2 Math Worksheet

A 20-question multiple-choice practice test for the TSIA2 Mathematics assessment, with a specific distribution of quantitative (6), algebraic (7), geometric (3), and statistical (4) questions.

JW

Jessica Waters

Math Teacher
1/21
Material
Drafting Reflections Journal Prompts

Drafting Reflections Journal Prompts

A set of reflective journal prompts designed for students to articulate their understanding of the connection between 30-60-90 triangles and the unit circle.

Lenny Avatar
Lenny
1/19
Material
Coordinate Builder Worksheet

Coordinate Builder Worksheet

A specialized worksheet for students to 'build' the unit circle by calculating the x and y coordinates for 30° and 60° angles using special right triangle ratios.

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Lenny
1/19
Material
Radius Blueprint Slides

Radius Blueprint Slides

A visual slide deck guiding students through the 'Unit Circle Architect' lesson, featuring video integration, warm-up prompts, and the main activity instructions.

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Lenny
1/19
Material
Architect Guide Teacher Resource

Architect Guide Teacher Resource

A comprehensive teacher guide for the Unit Circle Architect lesson, including timing, pacing, answer keys, and common misconceptions for connecting special right triangles to coordinates.

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Lenny
1/19
Material
Circle Power Answer Key

Circle Power Answer Key

Complete answer key for all student worksheets in the Circle Power sequence. Provides step-by-step solutions for algebraic derivations, proofs, and numerical applications.

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Lenny
1/18
Material
Circle Labyrinth Answer Key

Circle Labyrinth Answer Key

Detailed teacher answer key for the Lesson 5 Circle Labyrinth. Includes step-by-step algebraic breakdowns for all gates and explains the conceptual trick in the final internal tangent challenge.

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Lenny
1/18
Material
Circle Labyrinth Slides

Circle Labyrinth Slides

Final slide deck for Lesson 5. Provides a strategy matrix for selecting circle theorems and offers master hints for avoiding common algebraic pitfalls in complex problems.

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Lenny
1/18
Material
Circle Labyrinth Challenge

Circle Labyrinth Challenge

Inquiry-based mastery task for Lesson 5. Students navigate a "Circle Labyrinth" by solving a series of interconnected problems involving chords, secants, and tangents, culminating in a complex common tangent challenge.

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Lenny
1/18
Material
Pulley Power Answer Key

Pulley Power Answer Key

Teacher answer key for the Lesson 4 Pulley Power Workshop. Includes step-by-step solutions for external belt segments, internal crossed belts, and the final center-distance challenge using the Pythagorean theorem.

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Lenny
1/18
Material
Pulley Power Worksheet

Pulley Power Worksheet

Worksheet for Lesson 4 on Common Tangent applications. It features real-world scenarios involving gear systems and belt drives, requiring students to apply the Pythagorean theorem through auxiliary right triangles to find tangent lengths and center distances.

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Lenny
1/18
Material
Pulley Power Slides

Pulley Power Slides

Slide deck for Lesson 4 on Common Tangent relationships. It explains the translation strategy for both internal and external common tangents, utilizing auxiliary right triangles and the Pythagorean theorem.

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Lenny
1/18
Material
The Inversion Lab Worksheet

The Inversion Lab Worksheet

Student activity sheet focusing on the algebraic and geometric derivation of inversion, point mapping, and the relationship between inversion and orthogonal circles. Revised for improved readability and work space.

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Lenny
1/18
Material
Geometric Mirror Teacher Guide

Geometric Mirror Teacher Guide

Teacher facilitation guide for the culminating lesson on orthogonal circles and geometric inversion. Includes metric conditions, mapping rules, and coordinate formulas.

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Lenny
1/18
Material
Tangent Transitions Answer Key

Tangent Transitions Answer Key

Teacher answer key for the Lesson 3 Secant-Tangent Modeling Task. Provides step-by-step algebraic solutions for all problems, including the quadratic case and the multi-step pool radius challenge.

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Lenny
1/18
Material
Space Inversion Slides

Space Inversion Slides

Slide presentation on the condition for orthogonal circles and the transformational geometry of inversion. Explores mapping properties and conformal preservation.

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Lenny
1/18
Material
Secant-Tangent Modeling Task

Secant-Tangent Modeling Task

Inquiry-based mastery task for Lesson 3 focusing on Secant-Tangent intersections. Includes progressive algebraic problems and a complex real-world modeling challenge to calculate the radius of a circular pool using tangent lengths.

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Lenny
1/18
Material
Radical Center Challenge Worksheet

Radical Center Challenge Worksheet

Student activity sheet focusing on concurrency proofs for radical axes, algebraic analysis of circle pencils, and the construction of orthogonal circles. Revised for improved readability and work space.

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Lenny
1/18
Material
Tangent Transitions Slides

Tangent Transitions Slides

Slide deck for Lesson 3 on Secant-Tangent relationships. It explains the theorem as a limiting case, provides a similarity proof, and demonstrates real-world applications like calculating the distance to the horizon.

Lenny Avatar
Lenny
1/18
Material
Target TSIA2 Math Key

Target TSIA2 Math Key

A detailed answer key for the adjusted TSIA2 Math practice test, featuring the new distribution of quantitative, algebraic, geometric, and statistical questions.

JW

Jessica Waters

Math Teacher
1/21
Material
Target TSIA2 Math Worksheet

Target TSIA2 Math Worksheet

A 20-question multiple-choice practice test for the TSIA2 Mathematics assessment, with a specific distribution of quantitative (6), algebraic (7), geometric (3), and statistical (4) questions.

JW

Jessica Waters

Math Teacher
1/21
Material
Constructibility Final Quiz

Constructibility Final Quiz

Cumulative assessment for the Constructible Polygons sequence, covering field theory, the Gauss-Wantzel Theorem, and impossibility proofs.

Lenny Avatar
Lenny
1/17
Material
Quadratic Extensions Teacher Guide

Quadratic Extensions Teacher Guide

Teacher instructional notes for Lesson 2, detailing the construction of square roots, the algebraic proof of the geometric mean, and the concept of quadratic field extensions.

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Lenny
1/17
Material
Forbidden Polygons Slides

Forbidden Polygons Slides

Slide deck for Lesson 5, explaining the impossibility of certain geometric constructions (angle trisection, doubling the cube) using field theory and cubic equations.

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Lenny
1/17
Material
Construction Complexity Worksheet

Construction Complexity Worksheet

Worksheet for Lesson 4 where students apply the Gauss-Wantzel Theorem to determine the constructibility of various regular polygons and analyze the algebraic requirements.

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Lenny
1/17
Material
Fermat Prime Slides

Fermat Prime Slides

Slide deck for Lesson 4, explaining the Gauss-Wantzel Theorem and Fermat primes, exploring the constructibility of the 17-gon and the tower of field extensions.

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Lenny
1/17
Material
Pentagon Blueprint

Pentagon Blueprint

Construction guide for Lesson 3 detailing Richmond's method for constructing a regular pentagon and its algebraic justification.

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Lenny
1/17
Material
Golden Ratio Slides

Golden Ratio Slides

Slide deck for Lesson 3, explaining the construction of the Golden Ratio and its application in building a regular pentagon, emphasizing the link to quadratic equations.

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Lenny
1/17
Material
Square Root Lab Handout

Square Root Lab Handout

Laboratory handout for Lesson 2 guiding students through the geometric construction of square roots and the associated algebraic proofs.

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Lenny
1/17
Material
Quadratic Compass Slides

Quadratic Compass Slides

Slide deck for Lesson 2, explaining the construction of square roots using the geometric mean and the concept of quadratic field extensions in constructible numbers.

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Lenny
1/17
Material
Field Theory Teacher Notes

Field Theory Teacher Notes

Teacher instructional notes for Lesson 1, detailing the transition from geometry to arithmetic, common misconceptions, and discussion prompts regarding field theory.

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Lenny
1/17
Material
Geometric Calculator Worksheet

Geometric Calculator Worksheet

Student worksheet for Lesson 1 where students perform geometric constructions of multiplication and division using similar triangles.

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Lenny
1/17
Material
Algebraic Arithmetic Slides

Algebraic Arithmetic Slides

Introductory slide deck for Lesson 1, covering the geometric construction of basic arithmetic operations (addition, subtraction, multiplication, division) and defining the field of constructible numbers.

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Lenny
1/17
Material
Geometric Unity Reference

Geometric Unity Reference

A comprehensive high-level summary of the whole sequence, covering Menelaus' Theorem, Ceva's Theorem, Homothety, and the Euler Line properties for quick student reference.

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Lenny
1/17
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Nine Point Synthesis Worksheet

Nine Point Synthesis Worksheet

A student activity and proof guide for Lesson 5. It requires students to identify the nine points of the circle and outline the proof using medial rectangles and the Midsegment Theorem.

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Lenny
1/17
Material
Pipeline Perfection Teacher Guide

Pipeline Perfection Teacher Guide

Teacher guide for Lesson 5, including strategy for the hierarchical transformation project and the final matrix solution.

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Lenny
1/17
Material
The Great Alignment Slides

The Great Alignment Slides

Culminating slides for the sequence that synthesize all previous concepts (ratios, triangle centers, and homothety) to prove the existence of the Euler Line and the Nine-Point Circle.

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Lenny
1/17
Material
Composition Challenge Activity

Composition Challenge Activity

Inquiry-based activity sheet for Lesson 2 exploring fixed points and the composition of two homotheties with different centers. Includes algebraic proofs and conceptual reflection.

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Lenny
1/17
Material
Fractal Synthesis Guide

Fractal Synthesis Guide

A comprehensive project guide and rubric for students to model natural phenomena using fractal geometry, including mathematical specifications and biological analysis.

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Lenny
1/17
Material
Circle Power Answer Key

Circle Power Answer Key

Complete answer key for all student worksheets in the Circle Power sequence. Provides step-by-step solutions for algebraic derivations, proofs, and numerical applications.

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Lenny
1/18
Material
Circle Labyrinth Answer Key

Circle Labyrinth Answer Key

Detailed teacher answer key for the Lesson 5 Circle Labyrinth. Includes step-by-step algebraic breakdowns for all gates and explains the conceptual trick in the final internal tangent challenge.

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Lenny
1/18
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Circle Labyrinth Slides

Circle Labyrinth Slides

Final slide deck for Lesson 5. Provides a strategy matrix for selecting circle theorems and offers master hints for avoiding common algebraic pitfalls in complex problems.

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Lenny
1/18
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Circle Labyrinth Challenge

Circle Labyrinth Challenge

Inquiry-based mastery task for Lesson 5. Students navigate a "Circle Labyrinth" by solving a series of interconnected problems involving chords, secants, and tangents, culminating in a complex common tangent challenge.

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Lenny
1/18
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Pulley Power Answer Key

Pulley Power Answer Key

Teacher answer key for the Lesson 4 Pulley Power Workshop. Includes step-by-step solutions for external belt segments, internal crossed belts, and the final center-distance challenge using the Pythagorean theorem.

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Lenny
1/18
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Pulley Power Worksheet

Pulley Power Worksheet

Worksheet for Lesson 4 on Common Tangent applications. It features real-world scenarios involving gear systems and belt drives, requiring students to apply the Pythagorean theorem through auxiliary right triangles to find tangent lengths and center distances.

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Lenny
1/18
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Pulley Power Slides

Pulley Power Slides

Slide deck for Lesson 4 on Common Tangent relationships. It explains the translation strategy for both internal and external common tangents, utilizing auxiliary right triangles and the Pythagorean theorem.

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Lenny
1/18
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The Inversion Lab Worksheet

The Inversion Lab Worksheet

Student activity sheet focusing on the algebraic and geometric derivation of inversion, point mapping, and the relationship between inversion and orthogonal circles. Revised for improved readability and work space.

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Lenny
1/18
Material
Geometric Mirror Teacher Guide

Geometric Mirror Teacher Guide

Teacher facilitation guide for the culminating lesson on orthogonal circles and geometric inversion. Includes metric conditions, mapping rules, and coordinate formulas.

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Lenny
1/18
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Tangent Transitions Answer Key

Tangent Transitions Answer Key

Teacher answer key for the Lesson 3 Secant-Tangent Modeling Task. Provides step-by-step algebraic solutions for all problems, including the quadratic case and the multi-step pool radius challenge.

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Lenny
1/18
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Space Inversion Slides

Space Inversion Slides

Slide presentation on the condition for orthogonal circles and the transformational geometry of inversion. Explores mapping properties and conformal preservation.

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Lenny
1/18
Material
Secant-Tangent Modeling Task

Secant-Tangent Modeling Task

Inquiry-based mastery task for Lesson 3 focusing on Secant-Tangent intersections. Includes progressive algebraic problems and a complex real-world modeling challenge to calculate the radius of a circular pool using tangent lengths.

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Lenny
1/18
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Radical Center Challenge Worksheet

Radical Center Challenge Worksheet

Student activity sheet focusing on concurrency proofs for radical axes, algebraic analysis of circle pencils, and the construction of orthogonal circles. Revised for improved readability and work space.

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Lenny
1/18
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Tangent Transitions Slides

Tangent Transitions Slides

Slide deck for Lesson 3 on Secant-Tangent relationships. It explains the theorem as a limiting case, provides a similarity proof, and demonstrates real-world applications like calculating the distance to the horizon.

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Lenny
1/18
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Nexus Navigation Teacher Guide

Nexus Navigation Teacher Guide

Teacher facilitation guide for the lesson on the Radical Center and coaxial systems. Includes concurrency proofs, discussion points, and orthogonal construction hints.

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Lenny
1/18
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Three Circle Nexus Slides

Three Circle Nexus Slides

Slide presentation for undergraduates on the Radical Center and systems of coaxial circles. Covers concurrency proofs, types of circle pencils, and orthogonal intersection.

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Lenny
1/18
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Secant Strategy Answer Key

Secant Strategy Answer Key

Teacher answer key for the Lesson 2 Secant Strategy Worksheet. Includes detailed walkthroughs for linear and quadratic cases, correct mapping of "Whole" vs "External" segments, and the final solution for the satellite propagation challenge.

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Lenny
1/18
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Secant Strategy Worksheet

Secant Strategy Worksheet

A skill-building worksheet for Lesson 2 focusing on Secant-Secant relationships. It includes conceptual identification of "Whole" vs "External" segments, progressive algebraic practice, and a real-world satellite signal application.

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Lenny
1/18
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Radical Axis Map Worksheet

Radical Axis Map Worksheet

Student activity sheet focusing on the algebraic and geometric derivation of the radical axis, its orthogonality to centers, and its construction via common chords.

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Lenny
1/18
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Locus Logic Teacher Guide

Locus Logic Teacher Guide

Teacher facilitation guide for the lesson on the Radical Axis. Includes derivation hints, geometric properties, and conceptual discussion questions.

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Lenny
1/18
Material
TSIA2 Math Review Slideshow

TSIA2 Math Review Slideshow

A complete 20-question review presentation for the TSIA2 Math practice exam, featuring each question followed by a detailed step-by-step explanation slide with proper work areas. Rendering and overflow issues have been resolved. Full 20 pairs included.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Math Answer Key Teacher Guide

TSIA2 Math Answer Key Teacher Guide

A detailed answer key for the TSIA2 Math practice exam, including correct responses, problem domains, and brief step-by-step explanations for all 20 questions. Table formatting refined for page breaks.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Practice Exam Worksheet

TSIA2 Practice Exam Worksheet

A 20-question practice exam for the TSIA2 Math assessment, featuring a balanced mix of quantitative, algebraic, geometric, and statistical reasoning problems with dedicated workspace for student calculations. Backgrounds are removed for clarity.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Mastery Presentation Slides

TSIA2 Mastery Presentation Slides

An engaging presentation that introduces the TSIA2 Math assessment and now includes a comprehensive 5-slide step-by-step solution guide for the mastery questions.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Solutions Teacher Guide

TSIA2 Solutions Teacher Guide

A detailed answer key providing step-by-step explanations for all 10 practice test questions, now with improved contrast and layout to ensure each solution stays on its own page.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Practice Test Document

TSIA2 Practice Test Document

A comprehensive 10-question practice test covering the core domains of the TSIA2 Math assessment, now featuring improved layouts, per-question work areas, and clear calculator icons.

PR

Penne Reed

School Administrator
4/16
Material
Marathon Review Slides Full

Marathon Review Slides Full

A comprehensive 15-day slide deck for the TSIA2 Math Marathon. Features daily Warm-Up questions and detailed solution slides for all 30 practice problems covering all TSIA2 domains. Updated to be fully complete and fixed rendering issues.

PR

Penne Reed

School Administrator
4/16
Material
Week Three Marathon Log

Week Three Marathon Log

A 5-day student log for the final week of the TSIA2 Math Marathon. Covers days 11 through 15 with dedicated work areas, explanation boxes, and answer slots. Updated to optimize page breaks and increase work area size.

PR

Penne Reed

School Administrator
4/16
Material
Week Two Marathon Log

Week Two Marathon Log

A 5-day student log for the second week of the TSIA2 Math Marathon. Provides space for daily problem-solving, work verification, and written explanations for days 6 through 10. Updated to optimize page breaks and increase work area size.

PR

Penne Reed

School Administrator
4/16
Material
Week One Marathon Log

Week One Marathon Log

A 5-day student log for the first week of the TSIA2 Math Marathon. Includes dedicated spaces for showing work, providing a written explanation of the answer logic, and recording final answers. Updated to optimize page breaks and increase work area size.

PR

Penne Reed

School Administrator
4/16
Material
Pipe Power Math Answer Key

Pipe Power Math Answer Key

A detailed answer key for the Pipe Power Math Test, providing step-by-step solutions and scoring points for instructors.

M

mbloomer

Other
3/2
Material
Pipe Power Math Test

Pipe Power Math Test

A revised math assessment for plumbing apprentices including specific problems for cylindrical tank capacity and pipe volume conversions.

M

mbloomer

Other
3/2
Material
Plumbing Formula Cheat Sheet

Plumbing Formula Cheat Sheet

A essential reference sheet for plumbing apprentices featuring geometric formulas, offset multipliers, unit conversions, and fraction-to-decimal charts.

M

mbloomer

Other
3/2
Material
TSIA2 Math Answer Key

TSIA2 Math Answer Key

A detailed answer key for the TSIA2 Math Practice Test, including a quick-reference grading table, step-by-step solutions for all 20 questions, and a diagnostic scoring guide. (Updated to reflect changes in questions 3, 10, and 19).

JW

Jessica Waters

Math Teacher
2/20
Material
TSIA2 Math Practice Test

TSIA2 Math Practice Test

A 20-question multiple choice practice test for the TSIA2 Math exam, broken down by topic area: Quantitative Reasoning, Algebraic Reasoning, Geometry, and Statistics. Includes space for student work. (Updated questions 3, 10, and 19).

JW

Jessica Waters

Math Teacher
2/20
Material
TSIA2 Math Answer Key

TSIA2 Math Answer Key

An answer key for the TSIA2 Math practice test, including correct answers, brief explanations, and a domain distribution breakdown.

JW

Jessica Waters

Math Teacher
2/20
Material
TSIA2 Math Practice Test

TSIA2 Math Practice Test

A 20-question TSIA2 Math practice test with questions across four domains: Quantitative Reasoning, Algebraic Reasoning, Geometry, and Probability and Statistics.

JW

Jessica Waters

Math Teacher
2/20
Material
Negative Space Answer Key

Negative Space Answer Key

A detailed answer key for the Formula Forge challenge sheet, providing step-by-step algebraic derivations and final general formulas for all problems.

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Lenny
1/19
Material
Negative Space Challenge Sheet

Negative Space Challenge Sheet

A challenge problem sheet for students to derive and generalize formulas for various 'leftover' shapes, including inscribed circles, overlapping lenses, and voids within triangles.

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Lenny
1/19
Material
Sexagesimal Teacher Guide

Sexagesimal Teacher Guide

A comprehensive teacher facilitation guide containing lesson objectives, pacing instructions, discussion anchors, and a full answer key for the DMS practice materials.

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Lenny
1/19
Material
Geometric Growth Journal

Geometric Growth Journal

A reflective journal for students to synthesize their learning. It includes philosophical prompts on scale, nature's recursive patterns, and the infinite/finite paradox, with a dark-themed "night mode" aesthetic for focus.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Infinite Edges Activity

Infinite Edges Activity

A two-page student activity worksheet for constructing the Koch Snowflake. It includes drawing areas for the first three iterations and a calculation table to analyze the relationship between sides, length, and total perimeter.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Fractal Landscapes Presentation

Fractal Landscapes Presentation

A visually striking slide deck introducing fractals, featuring the Coastline Paradox, definitions of self-similarity and recursion, and the construction rules for the Koch Snowflake.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Fractal Landscapes Teacher Guide

Fractal Landscapes Teacher Guide

A comprehensive teacher facilitation guide for the Fractal Landscapes lesson, including learning objectives, a detailed 90-minute lesson flow, and key mathematical concepts like recursion and self-similarity.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Triangle Tempo Flashcards

Triangle Tempo Flashcards

A set of quick-fire flashcards for students to build fluency with special right triangle ratios when the hypotenuse is 1. Covers 45-45-90 and 30-60-90 ratios and a key strategy for handling variable conflicts in problems.

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Lenny
1/19
Material
Unit Circle Blueprint Activity

Unit Circle Blueprint Activity

An activity worksheet for students to build the first quadrant of the unit circle. Features a large graph grid scaled for the Triangle Tool Kit, a coordinate mapping table, and a reflection prompt to connect triangle geometry to trigonometric functions.

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Lenny
1/19
Material
Triangle Tool Kit Printable

Triangle Tool Kit Printable

A set of printable, scaled special right triangles for hands-on unit circle construction. Includes 45-45-90 and 30-60-90 triangles with hypotenuse length 1, clearly labeled with their geometric ratios to facilitate coordinate discovery.

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Lenny
1/19
Material
Coordinate Compass Presentation Slides

Coordinate Compass Presentation Slides

A vibrant, high-contrast presentation for a Trigonometry lesson connecting special right triangles to the Unit Circle. Includes a warm-up quiz, embedded YouTube video, conceptual discussion on radius-1 circles, and step-by-step activity instructions for students.

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Lenny
1/19
Material
Unit Circle Teacher Guide

Unit Circle Teacher Guide

A comprehensive teacher guide for the Coordinate Compass lesson, featuring a 45-minute pacing guide, discussion prompts, an answer key for the unit circle first quadrant, and pedagogical tips on scale and common student misconceptions.

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Lenny
1/19
Material
Geometric Art Rubric

Geometric Art Rubric

Assessment rubric for the Infinite Series Art project, covering mathematical rigor, visual representation, creativity, and reflection.

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Lenny
1/18
Material
Series Blueprint Sheet

Series Blueprint Sheet

Planning worksheet for the final art project, where students define their series parameters, iteration rules, and verify convergence mathematically.

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Lenny
1/18
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Infinite Art Project Prompt

Infinite Art Project Prompt

Final project prompt for students to create a convergent series-based art piece, including requirements, inspiration, and math deliverables.

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Lenny
1/18
Material
Horn Paradox Guide

Horn Paradox Guide

Facilitation guide for the Gabriel's Horn lesson, focusing on improper integrals, the painter's paradox, and the link to the Integral Test.

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Lenny
1/18
Material
Infinite Paradox Worksheet

Infinite Paradox Worksheet

Worksheet for analyzing Gabriel's Horn using improper integrals and connecting the results to the harmonic and p-series (p=2).

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Lenny
1/18
Material
Paradox Horn Slides

Paradox Horn Slides

Presentation on Gabriel's Horn, exploring the mathematical paradox of finite volume and infinite surface area through improper integrals and series concepts.

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Lenny
1/18
Material
Series Divergence Guide

Series Divergence Guide

Facilitation guide for the Stacking Paradox lesson, including the physics of center of mass, Oresme's proof of divergence, and lab monitoring tips.

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Lenny
1/18
Material
Leaning Tower Lab Activity

Leaning Tower Lab Activity

Hands-on lab activity comparing physical block stacking using harmonic series (divergent) and geometric series (convergent) models.

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Lenny
1/18
Material
Stacking Chaos Slides

Stacking Chaos Slides

Presentation for comparing harmonic and geometric series through the physical paradox of stacking blocks off a table.

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Lenny
1/18
Material
Fractal Exploration Guide

Fractal Exploration Guide

Teacher guide for exploring fractal geometry, including scaffolding tips, instructional flow, and key philosophical insights to share with students.

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Lenny
1/18
Material
Fractal Math Worksheet

Fractal Math Worksheet

Worksheet for calculating perimeter, area, and fractal dimensions of the Koch Snowflake and Sierpinski Triangle using infinite series and logarithms.

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Lenny
1/18
Material
Unit 3 Mastery Challenge Key

Unit 3 Mastery Challenge Key

The answer key for the Unit 3 Mastery Challenge, featuring a quick-glance table and detailed explanations for all 20 questions.

W

wcragoe

Math Teacher
4/1
Material
Unit 3 Mastery Challenge Worksheet

Unit 3 Mastery Challenge Worksheet

A 20-question multiple-choice assessment covering all Unit 3 topics including sinusoidal functions, inverse trigonometry, polar coordinates, and parametric functions. Designed with a nautical explorer theme and ample space for calculations.

W

wcragoe

Math Teacher
4/1
Material
Trig Tactics Reference Sheet

Trig Tactics Reference Sheet

A concise one-page reference sheet covering the essential concepts of AP Precalculus Unit 3, including unit circle properties, sinusoidal transformations, inverse functions, polar coordinates, and parametric functions.

W

wcragoe

Math Teacher
4/1
Material
Hyperbola Hunt Slides

Hyperbola Hunt Slides

Instructional slide deck for the 'Hyperbola Hunt' lesson. Includes embedded video clips for Problem 3 and Problem 6 of the Conic Sections Quiz, focused key takeaways for foci and asymptotes, and a structured closure discussion.

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Lenny
1/19
Material
Hyperbola Hunt Worksheet

Hyperbola Hunt Worksheet

A student worksheet for the 'Hyperbola Hunt' lesson. Features a parent function warm-up, video note log for the Conic Sections Quiz video, a multi-case 'Hyperbola Hunters' graphing activity, and a closure section comparing conics.

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Lenny
1/19
Material
Hyperbola Anatomy Anchor Chart

Hyperbola Anatomy Anchor Chart

A technical anchor chart detailing the properties of horizontal and vertical hyperbolas, including standard form equations, focus calculation, and the 'fundamental rectangle' graphing strategy.

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Lenny
1/19
Material
Orbital Outlines Teacher Guide

Orbital Outlines Teacher Guide

Teacher-facing facilitation guide for the Orbital Outlines lesson. Includes pacing suggestions, detailed background on the focal pause point, common student pitfalls, and a complete answer key for the worksheet and activity.

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Lenny
1/19
Material
Orbital Outlines Graph Paper

Orbital Outlines Graph Paper

Custom-designed graph paper for the Orbital Outlines lesson, featuring three quadrant-aligned coordinate planes with scaled grid lines to support the sketching phase of the "Ellipse Architects" activity.

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Lenny
1/19
Material
Conic Clash Formula Sheet

Conic Clash Formula Sheet

A structured note-taking template and synthesis organizer for students to capture key formulas, properties, and a "Decision Tree" for identifying conic sections.

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Lenny
1/19
Material
Orbital Outlines Worksheet

Orbital Outlines Worksheet

A structured worksheet for the Orbital Outlines lesson. Includes video viewing note areas, introductory practice for horizontal and vertical ellipses, and the multi-step "Ellipse Architects" activity where students design elliptical paths from specific mathematical parameters.

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Lenny
1/19
Material
Conic Clash Slides

Conic Clash Slides

Dynamic slide deck for the Conic Clash lesson, including rapid-fire equation challenges, an embedded summary video, and group project instructions.

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Lenny
1/19
Material
Orbital Outlines Presentation

Orbital Outlines Presentation

A comprehensive slide deck for 11th Grade Pre-Calculus students covering the standard equations of ellipses, horizontal vs. vertical orientations, and eccentricity calculation. Includes embedded video placeholders and discussion prompts for active learning.

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Lenny
1/19
Material
Conic Clash Teacher Guide

Conic Clash Teacher Guide

A comprehensive facilitator guide for the Conic Clash lesson, including objectives, materials, timed procedures, and an answer key for the warm-up activity.

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Lenny
1/19
Material
Foci Facilitator Guide

Foci Facilitator Guide

A teacher facilitation guide including a lesson timeline, instructions for the 'String and Tacks' demonstration, discussion points for the video, and a complete answer key for the worksheet and exit ticket.

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Lenny
1/19
Material
Ellipse Exit Ticket

Ellipse Exit Ticket

A concise exit ticket for students to calculate the focal distance 'c' given a and b, and to describe the geometric placement of foci in a horizontal ellipse.

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Lenny
1/19
Material
Foci Finder Slides

Foci Finder Slides

A 5-slide visual presentation to guide the lesson. Includes the 'String and Tacks' hook, an embedded YouTube video tutorial on the foci formula, a comparison with the Pythagorean theorem, and instructions for the student investigation activity.

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Lenny
1/19
Material
Foci Investigation Worksheet

Foci Investigation Worksheet

A 2-page student worksheet for investigating ellipse foci. It includes three progressive graphing problems (horizontal, vertical, and shifted) and a critical thinking question regarding the relationship between focal distance and eccentricity.

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Lenny
1/19
Material
Hyperbola Manual Rubric

Hyperbola Manual Rubric

A comprehensive grading rubric for the Hyperbola Manual Project, evaluating mathematical accuracy, procedural clarity, technical illustration, and analytical depth.

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Lenny
1/19
Material
Conic Contrast Teacher Guide

Conic Contrast Teacher Guide

A comprehensive teacher guide for the 'Curve Clash' lesson, including pacing, sorting activity answer keys, discussion prompts, and closure guide.

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Lenny
1/19
Material
Rectangle Reflection Sheet

Rectangle Reflection Sheet

A dedicated reflection journal sheet for Pre-Calculus students. It prompts them to synthesize their learning by explaining the geometric utility of the reference rectangle in hyperbola construction, featuring a clean 'Blueprint' design and ample writing space.

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Lenny
1/19
Material
Duality Decoded Case Study Worksheet

Duality Decoded Case Study Worksheet

Case study worksheet for Lesson 5 focusing on deriving the dual function, solving the dual problem, and verifying strong duality and saddle point conditions.

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Lenny
1/18
Material
Duality Saddle Points Slides

Duality Saddle Points Slides

Visual presentation for Lesson 5 covering the Lagrangian, primal and dual problems, weak/strong duality, and saddle point conditions.

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Lenny
1/18
Material
Hessian Analysis Lab Worksheet

Hessian Analysis Lab Worksheet

Problem set for Lesson 4 focusing on calculating Hessians, classifying critical points using eigenvalues, and applying Sylvester's Criterion for global convexity.

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Lenny
1/18
Material
Multivariate Second-Order Slides

Multivariate Second-Order Slides

Visual presentation for Lesson 4 covering the Hessian matrix, Taylor expansion, and second-order conditions for convexity and optimality.

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Lenny
1/18
Material
Convex Functions Problem Set Worksheet

Convex Functions Problem Set Worksheet

Problem set for Lesson 3 focusing on proofs of convexity, applying Jensen's Inequality to derive the AM-GM inequality, and proving the global minimum theorem.

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Lenny
1/18
Material
Convex Functions Properties Slides

Convex Functions Properties Slides

Visual presentation for Lesson 3 covering the definitions of convex functions, Jensen's Inequality, epigraphs, and the global minimum property.

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Lenny
1/18
Material
Convex Geometry Workshop Worksheet

Convex Geometry Workshop Worksheet

Inquiry-based workshop worksheet for Lesson 2 focusing on proofs of convexity, construction of convex hulls, and finding separating/supporting hyperplanes.

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Lenny
1/18
Material
Convex Geometry Slides

Convex Geometry Slides

Visual presentation for Lesson 2 covering the geometry of convex sets, hulls, and separating/supporting hyperplanes.

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Lenny
1/18
Material
Topology and Existence Worksheet

Topology and Existence Worksheet

Advanced worksheet for graduate students to practice proving the existence of optimal solutions using topological properties like compactness and continuity.

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Lenny
1/18
Material
Topology Foundations Slides

Topology Foundations Slides

Visual presentation for Lesson 1 covering the topological requirements for optimization, including compactness, Heine-Borel, and the Weierstrass Extreme Value Theorem.

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Lenny
1/18
Material
Butterfly Proof Portfolio

Butterfly Proof Portfolio

A multi-part guided synthesis document for the Butterfly Theorem capstone, requiring students to integrate similarity, inscribed angles, and algebraic reasoning.

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Lenny
1/18
Material
Butterfly Synthesis Slides

Butterfly Synthesis Slides

Visual presentation for the capstone lesson on the Butterfly Theorem, covering its statement, necessary geometric tools, and historical context.

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Lenny
1/18
Material
Outside Angle Proofs Worksheet

Outside Angle Proofs Worksheet

A workshop worksheet for proving the exterior intersection angle theorems using the Exterior Angle Theorem and auxiliary lines.

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Lenny
1/18
Material
Secant Logic Slides

Secant Logic Slides

Visual slide deck for Lesson 4 exploring the Secant-Secant, Secant-Tangent, and Tangent-Tangent angle theorems using the Exterior Angle Theorem.

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Lenny
1/18
Material
Ptolemy Proof Guide

Ptolemy Proof Guide

A guided proof-derivation worksheet for Ptolemy's Theorem using auxiliary points and similar triangle ratios.

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Lenny
1/18
Material
Cyclic Connections Slides

Cyclic Connections Slides

Visual slides for Lesson 3 introducing cyclic quadrilaterals, the supplementary angle theorem, and the statement of Ptolemy's Theorem.

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Lenny
1/18
Material
Tangent Proof Workshop

Tangent Proof Workshop

A technical proof worksheet for Lesson 2 focusing on contradiction methods for orthogonality and HL congruence for the Two-Tangent Theorem.

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Lenny
1/18
Material
Tangent Logic Slides

Tangent Logic Slides

Visual slide deck exploring the axiomatic properties of tangent lines, their definition as limiting cases of secants, and the Two-Tangent Theorem.

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Lenny
1/18
Material
Angle Case Worksheet

Angle Case Worksheet

A formal proof worksheet for undergraduate students to derive the second and third cases of the Inscribed Angle Theorem using Case I as a foundation.

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Lenny
1/18
Material
Angle Axiom Slides

Angle Axiom Slides

A professional slide deck for Lesson 1, covering the axiomatic proofs of the Inscribed Angle Theorem through case-based reasoning and auxiliary constructions.

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Lenny
1/18
Material
Pipe Power Math Answer Key

Pipe Power Math Answer Key

A detailed answer key for the Pipe Power Math Test, providing step-by-step solutions and scoring points for instructors.

M

mbloomer

Other
3/2
Material
Pipe Power Math Test

Pipe Power Math Test

A revised math assessment for plumbing apprentices including specific problems for cylindrical tank capacity and pipe volume conversions.

M

mbloomer

Other
3/2
Material
Plumbing Formula Cheat Sheet

Plumbing Formula Cheat Sheet

A essential reference sheet for plumbing apprentices featuring geometric formulas, offset multipliers, unit conversions, and fraction-to-decimal charts.

M

mbloomer

Other
3/2
Material
Design Justification Rubric

Design Justification Rubric

Grading rubric for the Tiny House project. Evaluates students on orthographic accuracy, isometric realism, geometric modeling (calculations), and spatial reasoning. Includes teacher grading tips for assessing high-level spatial designs.

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Lenny
1/18
Material
Tiny House Blueprint Project Workbook

Tiny House Blueprint Project Workbook

Final project workbook for Lesson 5. Students design a 20m² tiny house, creating a 2D floor plan and a 3D isometric sketch. The project requires them to calculate volume efficiency and provide a geometric justification for their design choices.

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Lenny
1/18
Material
Spatial Solutions Slides

Spatial Solutions Slides

Culminating slide deck for Lesson 5. Introduces the "Tiny House Challenge," explaining the design constraints, the project brief, and the requirement for students to justify their spatial decisions using geometric modeling.

Lenny Avatar
Lenny
1/18
Material
Can Cooler Answer Key

Can Cooler Answer Key

Answer key for the Can Cooler Lab. Provides the calculated values for various cylinder dimensions, explains the mathematical "perfect" cylinder ratio (h=2r), and offers discussion points for real-world design constraints.

Lenny Avatar
Lenny
1/18
Material
Can Cooler Lab Worksheet

Can Cooler Lab Worksheet

Laboratory worksheet for Lesson 4 where students calculate dimensions for a 355ml soda can. They compare wide, standard, and tall dimensions to find the surface-area-to-volume optimization point.

Lenny Avatar
Lenny
1/18
Material
Efficiency Engine Slides

Efficiency Engine Slides

Lesson 4 slides on optimizing surface area and volume. Explores the engineering logic behind soda can shapes, the SA/V ratio in thermodynamics, and natural optimization examples like spheres and fins.

Lenny Avatar
Lenny
1/18
Material
Geometry Final Review

Geometry Final Review

Summative assessment covering the entire sequence, including conceptual questions on scale factors, vector operator calculations, and applications to metrics and symmetry.

Lenny Avatar
Lenny
1/18
Material
Castle Component Answer Key

Castle Component Answer Key

Answer key for the Castle Component Workshop. Includes step-by-step mathematical solutions for the watchtower (588 m³) and the inner sanctum (717.4 m³), plus a grading rubric.

Lenny Avatar
Lenny
1/18
Material
Warped Paths Guide

Warped Paths Guide

Discussion and inquiry guide for teachers to explore metric tensors, map distortions, and geodesics through thought experiments and physical demonstrations.

Lenny Avatar
Lenny
1/18
Material
Castle Component Workshop Worksheet

Castle Component Workshop Worksheet

Worksheet for Lesson 3 on composite solid geometry. Features two engineering-style tasks: calculating the additive volume of a watchtower (prism + pyramid) and the subtractive volume of a stone hall with a hollowed core.

Lenny Avatar
Lenny
1/18
Material
Metric Matrix Slides

Metric Matrix Slides

Introductory presentation on the metric tensor, non-Euclidean geometry, geodesics, and the conceptual foundation of General Relativity.

Lenny Avatar
Lenny
1/18
Material
Solid Structures Slides

Solid Structures Slides

Lesson 3 slides on decomposing composite 3D figures. Covers additive and subtractive methods for volume calculation, real-world engineering applications, and a step-by-step workflow for solving complex solid problems.

Lenny Avatar
Lenny
1/18
Material
Laplace Lab Worksheet

Laplace Lab Worksheet

Problem set focused on solving boundary value problems using Legendre polynomials, including hemispherical potential and a sphere in a uniform electric field.

Lenny Avatar
Lenny
1/18
Material
Orbital Shapes Handout

Orbital Shapes Handout

Case study handout connecting the mathematical solutions of Laplace's equation to the physical shapes of atomic orbitals in quantum mechanics.

Lenny Avatar
Lenny
1/18
Material
Dot Grid Draftsman Reference Key

Dot Grid Draftsman Reference Key

Teacher reference key for isometric drawing practice. Provides visual solutions for the pedestal and machine link challenges, along with common student error notes and a quality checklist for grading.

Lenny Avatar
Lenny
1/18
Material
Spherical Symmetry Slides

Spherical Symmetry Slides

Presentation on solving Laplace's equation in spherical coordinates using separation of variables and Legendre polynomials, with physical boundary condition examples.

Lenny Avatar
Lenny
1/18
Material
Dot Grid Draftsman Worksheet

Dot Grid Draftsman Worksheet

Isometric drawing practice sheet with dot grids. Students are challenged to translate orthographic views into 3D isometric models and to construct a specific composite machine link from textual descriptions.

Lenny Avatar
Lenny
1/18
Material
Map Masters Answer Key

Map Masters Answer Key

Teacher-facing answer key and instructional notes for the quiz and worksheet, including step-by-step mathematical solutions and tips for addressing common student misconceptions.

BW

Brian Whalen

Math Teacher
4/8
Material
Globe Geometry Quiz

Globe Geometry Quiz

Assessment covering the mathematical principles of map projection, including Gaussian curvature, projection properties, and a calculation challenge related to surface area.

BW

Brian Whalen

Math Teacher
4/8
Material
Flattening the Curve Worksheet

Flattening the Curve Worksheet

Mathematical worksheet analyzing surface area differences between a sphere and a cylindrical projection, requiring students to perform geometric calculations and evaluate projection trade-offs.

BW

Brian Whalen

Math Teacher
4/8
Material
Orange Peel Lab Activity

Orange Peel Lab Activity

Hands-on lab activity sheet where students use an orange to model the Earth, draw geometric shapes on its surface, and attempt to flatten the peel to visualize map distortion.

BW

Brian Whalen

Math Teacher
4/8
Material
Mapping Earth Slides

Mapping Earth Slides

Instructional slide deck for the Projection Problem lesson, covering the Mercator mystery, the geometry of curvature, the orange peel experiment instructions, and the trade-offs in map projections.

BW

Brian Whalen

Math Teacher
4/8
Material
Projection Problem Teacher Guide

Projection Problem Teacher Guide

Comprehensive teacher facilitation guide for the Projection Problem lesson, including objectives, material lists, a detailed instructional sequence, and high-order discussion prompts.

BW

Brian Whalen

Math Teacher
4/8
Material
Human Unit Circle Teacher Notes

Human Unit Circle Teacher Notes

A comprehensive facilitator's guide for the Human Unit Circle lesson, including prep checklists, pacing, scaling guides, and common pitfalls.

Lenny Avatar
Lenny
1/19
Material
Human Unit Circle Slides

Human Unit Circle Slides

A visual presentation for instruction, discussion, and guided activity instructions for the Human Unit Circle lesson.

Lenny Avatar
Lenny
1/19
Material
Human Unit Circle Field Guide

Human Unit Circle Field Guide

A field guide for students to use during the outdoor activity, including space for recording measurements, theoretical values, and reflection questions.

Lenny Avatar
Lenny
1/19
Material
Spatial Solver Answer Key

Spatial Solver Answer Key

A detailed answer key for the Spatial Solver Activity, providing step-by-step algebraic solutions and final results for teacher reference.

Lenny Avatar
Lenny
1/19
Material
Dimensions of Distance Slides

Dimensions of Distance Slides

A visual presentation for a Pre-Calculus lesson on point-to-plane distance, including a warm-up, embedded video slide, formula breakdown, and group activity instructions.

Lenny Avatar
Lenny
1/19
Material
Spatial Solver Activity

Spatial Solver Activity

A collaborative group activity worksheet for Pre-Calculus students, guiding them through sketching, algebraic conversion, and final distance calculation for a 3D point-to-plane problem.

Lenny Avatar
Lenny
1/19
Material
Dimensions of Distance Lesson Plan

Dimensions of Distance Lesson Plan

A comprehensive lesson plan for Pre-Calculus teachers covering point-to-plane distance calculations, featuring timed segments, video integration cues, and pedagogical notes.

Lenny Avatar
Lenny
1/19
Material
Design Justification Rubric

Design Justification Rubric

Grading rubric for the Tiny House project. Evaluates students on orthographic accuracy, isometric realism, geometric modeling (calculations), and spatial reasoning. Includes teacher grading tips for assessing high-level spatial designs.

Lenny Avatar
Lenny
1/18
Material
Tiny House Blueprint Project Workbook

Tiny House Blueprint Project Workbook

Final project workbook for Lesson 5. Students design a 20m² tiny house, creating a 2D floor plan and a 3D isometric sketch. The project requires them to calculate volume efficiency and provide a geometric justification for their design choices.

Lenny Avatar
Lenny
1/18
Material
Spatial Solutions Slides

Spatial Solutions Slides

Culminating slide deck for Lesson 5. Introduces the "Tiny House Challenge," explaining the design constraints, the project brief, and the requirement for students to justify their spatial decisions using geometric modeling.

Lenny Avatar
Lenny
1/18
Material
Can Cooler Answer Key

Can Cooler Answer Key

Answer key for the Can Cooler Lab. Provides the calculated values for various cylinder dimensions, explains the mathematical "perfect" cylinder ratio (h=2r), and offers discussion points for real-world design constraints.

Lenny Avatar
Lenny
1/18
Material
Can Cooler Lab Worksheet

Can Cooler Lab Worksheet

Laboratory worksheet for Lesson 4 where students calculate dimensions for a 355ml soda can. They compare wide, standard, and tall dimensions to find the surface-area-to-volume optimization point.

Lenny Avatar
Lenny
1/18
Material
Efficiency Engine Slides

Efficiency Engine Slides

Lesson 4 slides on optimizing surface area and volume. Explores the engineering logic behind soda can shapes, the SA/V ratio in thermodynamics, and natural optimization examples like spheres and fins.

Lenny Avatar
Lenny
1/18
Material
Geometry Final Review

Geometry Final Review

Summative assessment covering the entire sequence, including conceptual questions on scale factors, vector operator calculations, and applications to metrics and symmetry.

Lenny Avatar
Lenny
1/18
Material
Polar Mastery Answer Key

Polar Mastery Answer Key

Comprehensive teacher answer key for the Polar Coordinates Exit Ticket series, including step-by-step solutions and conceptual explanations.

S

SANDRA.MOORE

Math Teacher
4/16
Material
Complex Polar Exit Ticket

Complex Polar Exit Ticket

An exit ticket for representing complex numbers in polar form, performing multiplication in polar form, and applying De Moivre's Theorem.

S

SANDRA.MOORE

Math Teacher
4/16
Material
Curve Chaos Exit Ticket

Curve Chaos Exit Ticket

An exit ticket focused on identifying and analyzing polar graphs like limacons, cardioids, and rose curves, including matching and symmetry identification.

S

SANDRA.MOORE

Math Teacher
4/16
Material
Vector Vision Exit Ticket

Vector Vision Exit Ticket

An exit ticket for polar coordinate plotting and conversions between rectangular and polar forms, featuring a clean radar-themed layout and a polar grid for graphing.

S

SANDRA.MOORE

Math Teacher
4/16
Material
Unit 3 Mastery Challenge Key

Unit 3 Mastery Challenge Key

The answer key for the Unit 3 Mastery Challenge, featuring a quick-glance table and detailed explanations for all 20 questions.

W

wcragoe

Math Teacher
4/1
Material
Unit 3 Mastery Challenge Worksheet

Unit 3 Mastery Challenge Worksheet

A 20-question multiple-choice assessment covering all Unit 3 topics including sinusoidal functions, inverse trigonometry, polar coordinates, and parametric functions. Designed with a nautical explorer theme and ample space for calculations.

W

wcragoe

Math Teacher
4/1
Material
Trig Tactics Reference Sheet

Trig Tactics Reference Sheet

A concise one-page reference sheet covering the essential concepts of AP Precalculus Unit 3, including unit circle properties, sinusoidal transformations, inverse functions, polar coordinates, and parametric functions.

W

wcragoe

Math Teacher
4/1
Material
Geometric Growth Journal

Geometric Growth Journal

A reflective journal for students to synthesize their learning. It includes philosophical prompts on scale, nature's recursive patterns, and the infinite/finite paradox, with a dark-themed "night mode" aesthetic for focus.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Infinite Edges Activity

Infinite Edges Activity

A two-page student activity worksheet for constructing the Koch Snowflake. It includes drawing areas for the first three iterations and a calculation table to analyze the relationship between sides, length, and total perimeter.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Fractal Landscapes Presentation

Fractal Landscapes Presentation

A visually striking slide deck introducing fractals, featuring the Coastline Paradox, definitions of self-similarity and recursion, and the construction rules for the Koch Snowflake.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Fractal Landscapes Teacher Guide

Fractal Landscapes Teacher Guide

A comprehensive teacher facilitation guide for the Fractal Landscapes lesson, including learning objectives, a detailed 90-minute lesson flow, and key mathematical concepts like recursion and self-similarity.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Geometry Master Key Answer Key

Geometry Master Key Answer Key

A teacher guide and answer key for the geometric shape Tarsia puzzle, providing a master pairing list and instructional strategies for identifying 2D polygons.

BC

Brenda Coombs

English Language Arts Teacher
3/8
Material
Geometry Shapers Puzzle Pieces

Geometry Shapers Puzzle Pieces

A geometric Tarsia puzzle challenge where students match blue shape icons to their black names. Includes 12 triangular pieces featuring shapes like octagons, trapezoids, and rhombuses. Designed with term dominance and precise SVG icon alignment.

BC

Brenda Coombs

English Language Arts Teacher
3/8
Material
Shape Shifting Slides

Shape Shifting Slides

A visual presentation for the Geometry Architects lesson, introducing 2D shapes with an architectural blueprint theme. Includes definitions and visual properties for polygons and circles.

BC

Brenda Coombs

English Language Arts Teacher
3/8
Material
Advanced Symbol Sculptors Puzzle Pieces V2 Final Cleaned V3 Final Alignment

Advanced Symbol Sculptors Puzzle Pieces V2 Final Cleaned V3 Final Alignment

A redesigned advanced Tarsia puzzle featuring a 2:1 ratio of terms to symbols on each piece. Each piece contains exactly one matching blue symbol and one black word, plus one distractor symbol. This ensures text dominance while maintaining a complex notation theme. Labels are precisely aligned inside triangle boundaries.

BC

Brenda Coombs

English Language Arts Teacher
3/5
Material
Advanced Master Key Answer Key

Advanced Master Key Answer Key

A teacher guide and answer key for the advanced notation Tarsia puzzle, including a master pairing list for complex symbols like Nabla, Integral, and Partial.

BC

Brenda Coombs

English Language Arts Teacher
3/5
Material
Hieroglyph Notation Slides

Hieroglyph Notation Slides

An advanced instructional slide deck introducing higher-level mathematical symbols from calculus, set theory, and geometry.

BC

Brenda Coombs

English Language Arts Teacher
3/5
Material
Symbol Sculptors Puzzle Pieces Final V3

Symbol Sculptors Puzzle Pieces Final V3

A student activity sheet containing 12 triangular puzzle pieces with mathematical symbols and their names. This is the finalized Version 3 with corrected alignment and logic. Match blue symbols on one piece to black names on another.

BC

Brenda Coombs

English Language Arts Teacher
3/5
Material
Symbol Master Key Answer Key

Symbol Master Key Answer Key

A teacher's answer key and facilitation guide for the Tarsia puzzle, including a master pairing list and assembly tips.

BC

Brenda Coombs

English Language Arts Teacher
3/5
Material
Sign Language Slides

Sign Language Slides

An instructional slide deck introducing common and advanced mathematical symbols used in operations and number relationships, featuring clear visual definitions and examples.

BC

Brenda Coombs

English Language Arts Teacher
3/5
Material
Map Masters Answer Key

Map Masters Answer Key

Teacher-facing answer key and instructional notes for the quiz and worksheet, including step-by-step mathematical solutions and tips for addressing common student misconceptions.

BW

Brian Whalen

Math Teacher
4/8
Material
Globe Geometry Quiz

Globe Geometry Quiz

Assessment covering the mathematical principles of map projection, including Gaussian curvature, projection properties, and a calculation challenge related to surface area.

BW

Brian Whalen

Math Teacher
4/8
Material
Flattening the Curve Worksheet

Flattening the Curve Worksheet

Mathematical worksheet analyzing surface area differences between a sphere and a cylindrical projection, requiring students to perform geometric calculations and evaluate projection trade-offs.

BW

Brian Whalen

Math Teacher
4/8
Material
Orange Peel Lab Activity

Orange Peel Lab Activity

Hands-on lab activity sheet where students use an orange to model the Earth, draw geometric shapes on its surface, and attempt to flatten the peel to visualize map distortion.

BW

Brian Whalen

Math Teacher
4/8
Material
Mapping Earth Slides

Mapping Earth Slides

Instructional slide deck for the Projection Problem lesson, covering the Mercator mystery, the geometry of curvature, the orange peel experiment instructions, and the trade-offs in map projections.

BW

Brian Whalen

Math Teacher
4/8
Material
Projection Problem Teacher Guide

Projection Problem Teacher Guide

Comprehensive teacher facilitation guide for the Projection Problem lesson, including objectives, material lists, a detailed instructional sequence, and high-order discussion prompts.

BW

Brian Whalen

Math Teacher
4/8
Material
Metro Masterplan Project

Metro Masterplan Project

A summative project guide where students design a city's infrastructure layout, constructing a 5-seed Voronoi diagram and providing mathematical proof of its efficiency.

BW

Brian Whalen

Math Teacher
4/7
Material
Precision Plotting Worksheet

Precision Plotting Worksheet

A math worksheet that combines geometry and algebra, requiring students to calculate the equations of perpendicular bisectors and find Voronoi vertices through systems of linear equations.

BW

Brian Whalen

Math Teacher
4/7
Material
City Seeders Activity

City Seeders Activity

A hands-on activity sheet where students use a compass and straightedge to construct a Voronoi diagram for three "fire stations" on a grid, reinforcing the concept of the perpendicular bisector.

BW

Brian Whalen

Math Teacher
4/7
Material
Blueprint Slides

Blueprint Slides

A visual slide deck that defines Voronoi diagrams, explains the construction algorithm using perpendicular bisectors, and shows real-world applications in urban planning and beyond.

BW

Brian Whalen

Math Teacher
4/7
Material
Urban Architect Guide

Urban Architect Guide

A comprehensive lesson plan for teachers, outlining the instructional sequence, learning objectives, and materials needed to teach Voronoi diagrams through an urban planning lens.

BW

Brian Whalen

Math Teacher
4/7
Material
Geometric Growth Journal

Geometric Growth Journal

A reflective journal for students to synthesize their learning. It includes philosophical prompts on scale, nature's recursive patterns, and the infinite/finite paradox, with a dark-themed "night mode" aesthetic for focus.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Infinite Edges Activity

Infinite Edges Activity

A two-page student activity worksheet for constructing the Koch Snowflake. It includes drawing areas for the first three iterations and a calculation table to analyze the relationship between sides, length, and total perimeter.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Fractal Landscapes Presentation

Fractal Landscapes Presentation

A visually striking slide deck introducing fractals, featuring the Coastline Paradox, definitions of self-similarity and recursion, and the construction rules for the Koch Snowflake.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Fractal Landscapes Teacher Guide

Fractal Landscapes Teacher Guide

A comprehensive teacher facilitation guide for the Fractal Landscapes lesson, including learning objectives, a detailed 90-minute lesson flow, and key mathematical concepts like recursion and self-similarity.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Life Measures Answer Key Week 6

Life Measures Answer Key Week 6

Teacher answer key for the Week 6 Life Measures workbook, including recipe scaling, flooring estimates, commuter gas costs, and road trip budgeting. Adjusted to prevent content overlap.

HM

Hannah Milford

Special Education Teacher
3/23
Material
Home Base Answer Key Week 5

Home Base Answer Key Week 5

Teacher answer key for the Week 5 Home Base workbook, including total move-in cost calculations, utility bill analysis, and square footage value comparisons. Adjusted to prevent content overlap.

HM

Hannah Milford

Special Education Teacher
3/23
Material
Shopping Savvy Answer Key Week 4

Shopping Savvy Answer Key Week 4

Teacher answer key for the Week 4 Shopping Savvy workbook, providing solutions for unit price comparisons, sales tax calculations, and party budget logic. Adjusted to prevent content overlap.

HM

Hannah Milford

Special Education Teacher
3/23
Material
Credit Crush Answer Key Week 3

Credit Crush Answer Key Week 3

Teacher answer key for the Week 3 Credit Crush workbook, including APR calculations, statement decoding, and the total cost comparison of debt. Adjusted to prevent content overlap.

HM

Hannah Milford

Special Education Teacher
3/23
Material
Budget Blueprint Answer Key Week 2

Budget Blueprint Answer Key Week 2

Teacher answer key for the Week 2 Budget Blueprint workbook, providing detailed solutions for fixed/variable expenses, the 50/30/20 rule, and Marcus's budget analysis. Adjusted to prevent content overlap.

HM

Hannah Milford

Special Education Teacher
3/23
Material
TSIA2 Math Review Slideshow

TSIA2 Math Review Slideshow

A complete 20-question review presentation for the TSIA2 Math practice exam, featuring each question followed by a detailed step-by-step explanation slide with proper work areas. Rendering and overflow issues have been resolved. Full 20 pairs included.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Math Answer Key Teacher Guide

TSIA2 Math Answer Key Teacher Guide

A detailed answer key for the TSIA2 Math practice exam, including correct responses, problem domains, and brief step-by-step explanations for all 20 questions. Table formatting refined for page breaks.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Practice Exam Worksheet

TSIA2 Practice Exam Worksheet

A 20-question practice exam for the TSIA2 Math assessment, featuring a balanced mix of quantitative, algebraic, geometric, and statistical reasoning problems with dedicated workspace for student calculations. Backgrounds are removed for clarity.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Mastery Presentation Slides

TSIA2 Mastery Presentation Slides

An engaging presentation that introduces the TSIA2 Math assessment and now includes a comprehensive 5-slide step-by-step solution guide for the mastery questions.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Solutions Teacher Guide

TSIA2 Solutions Teacher Guide

A detailed answer key providing step-by-step explanations for all 10 practice test questions, now with improved contrast and layout to ensure each solution stays on its own page.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Practice Test Document

TSIA2 Practice Test Document

A comprehensive 10-question practice test covering the core domains of the TSIA2 Math assessment, now featuring improved layouts, per-question work areas, and clear calculator icons.

PR

Penne Reed

School Administrator
4/16
Material
Marathon Review Slides Full

Marathon Review Slides Full

A comprehensive 15-day slide deck for the TSIA2 Math Marathon. Features daily Warm-Up questions and detailed solution slides for all 30 practice problems covering all TSIA2 domains. Updated to be fully complete and fixed rendering issues.

PR

Penne Reed

School Administrator
4/16
Material
Week Three Marathon Log

Week Three Marathon Log

A 5-day student log for the final week of the TSIA2 Math Marathon. Covers days 11 through 15 with dedicated work areas, explanation boxes, and answer slots. Updated to optimize page breaks and increase work area size.

PR

Penne Reed

School Administrator
4/16
Material
Week Two Marathon Log

Week Two Marathon Log

A 5-day student log for the second week of the TSIA2 Math Marathon. Provides space for daily problem-solving, work verification, and written explanations for days 6 through 10. Updated to optimize page breaks and increase work area size.

PR

Penne Reed

School Administrator
4/16
Material
Week One Marathon Log

Week One Marathon Log

A 5-day student log for the first week of the TSIA2 Math Marathon. Includes dedicated spaces for showing work, providing a written explanation of the answer logic, and recording final answers. Updated to optimize page breaks and increase work area size.

PR

Penne Reed

School Administrator
4/16
Material
Map Masters Answer Key

Map Masters Answer Key

Teacher-facing answer key and instructional notes for the quiz and worksheet, including step-by-step mathematical solutions and tips for addressing common student misconceptions.

BW

Brian Whalen

Math Teacher
4/8
Material
Globe Geometry Quiz

Globe Geometry Quiz

Assessment covering the mathematical principles of map projection, including Gaussian curvature, projection properties, and a calculation challenge related to surface area.

BW

Brian Whalen

Math Teacher
4/8
Material
Flattening the Curve Worksheet

Flattening the Curve Worksheet

Mathematical worksheet analyzing surface area differences between a sphere and a cylindrical projection, requiring students to perform geometric calculations and evaluate projection trade-offs.

BW

Brian Whalen

Math Teacher
4/8
Material
Orange Peel Lab Activity

Orange Peel Lab Activity

Hands-on lab activity sheet where students use an orange to model the Earth, draw geometric shapes on its surface, and attempt to flatten the peel to visualize map distortion.

BW

Brian Whalen

Math Teacher
4/8
Material
Mapping Earth Slides

Mapping Earth Slides

Instructional slide deck for the Projection Problem lesson, covering the Mercator mystery, the geometry of curvature, the orange peel experiment instructions, and the trade-offs in map projections.

BW

Brian Whalen

Math Teacher
4/8
Material
Projection Problem Teacher Guide

Projection Problem Teacher Guide

Comprehensive teacher facilitation guide for the Projection Problem lesson, including objectives, material lists, a detailed instructional sequence, and high-order discussion prompts.

BW

Brian Whalen

Math Teacher
4/8
Material
Geometric Growth Journal

Geometric Growth Journal

A reflective journal for students to synthesize their learning. It includes philosophical prompts on scale, nature's recursive patterns, and the infinite/finite paradox, with a dark-themed "night mode" aesthetic for focus.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Infinite Edges Activity

Infinite Edges Activity

A two-page student activity worksheet for constructing the Koch Snowflake. It includes drawing areas for the first three iterations and a calculation table to analyze the relationship between sides, length, and total perimeter.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Fractal Landscapes Presentation

Fractal Landscapes Presentation

A visually striking slide deck introducing fractals, featuring the Coastline Paradox, definitions of self-similarity and recursion, and the construction rules for the Koch Snowflake.

GK

Gustave Koennicke

Math Teacher
3/31
Material
Fractal Landscapes Teacher Guide

Fractal Landscapes Teacher Guide

A comprehensive teacher facilitation guide for the Fractal Landscapes lesson, including learning objectives, a detailed 90-minute lesson flow, and key mathematical concepts like recursion and self-similarity.

GK

Gustave Koennicke

Math Teacher
3/31
Material
TSIA2 Mastery Presentation Slides

TSIA2 Mastery Presentation Slides

An engaging presentation that introduces the TSIA2 Math assessment and now includes a comprehensive 5-slide step-by-step solution guide for the mastery questions.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Solutions Teacher Guide

TSIA2 Solutions Teacher Guide

A detailed answer key providing step-by-step explanations for all 10 practice test questions, now with improved contrast and layout to ensure each solution stays on its own page.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Practice Test Document

TSIA2 Practice Test Document

A comprehensive 10-question practice test covering the core domains of the TSIA2 Math assessment, now featuring improved layouts, per-question work areas, and clear calculator icons.

PR

Penne Reed

School Administrator
4/16
Material
Metro Masterplan Project

Metro Masterplan Project

A summative project guide where students design a city's infrastructure layout, constructing a 5-seed Voronoi diagram and providing mathematical proof of its efficiency.

BW

Brian Whalen

Math Teacher
4/7
Material
Precision Plotting Worksheet

Precision Plotting Worksheet

A math worksheet that combines geometry and algebra, requiring students to calculate the equations of perpendicular bisectors and find Voronoi vertices through systems of linear equations.

BW

Brian Whalen

Math Teacher
4/7
Material
City Seeders Activity

City Seeders Activity

A hands-on activity sheet where students use a compass and straightedge to construct a Voronoi diagram for three "fire stations" on a grid, reinforcing the concept of the perpendicular bisector.

BW

Brian Whalen

Math Teacher
4/7
Material
Blueprint Slides

Blueprint Slides

A visual slide deck that defines Voronoi diagrams, explains the construction algorithm using perpendicular bisectors, and shows real-world applications in urban planning and beyond.

BW

Brian Whalen

Math Teacher
4/7
Material
Urban Architect Guide

Urban Architect Guide

A comprehensive lesson plan for teachers, outlining the instructional sequence, learning objectives, and materials needed to teach Voronoi diagrams through an urban planning lens.

BW

Brian Whalen

Math Teacher
4/7
Material
Unit 3 Mastery Challenge Key

Unit 3 Mastery Challenge Key

The answer key for the Unit 3 Mastery Challenge, featuring a quick-glance table and detailed explanations for all 20 questions.

W

wcragoe

Math Teacher
4/1
Material
Unit 3 Mastery Challenge Worksheet

Unit 3 Mastery Challenge Worksheet

A 20-question multiple-choice assessment covering all Unit 3 topics including sinusoidal functions, inverse trigonometry, polar coordinates, and parametric functions. Designed with a nautical explorer theme and ample space for calculations.

W

wcragoe

Math Teacher
4/1
Material
Trig Tactics Reference Sheet

Trig Tactics Reference Sheet

A concise one-page reference sheet covering the essential concepts of AP Precalculus Unit 3, including unit circle properties, sinusoidal transformations, inverse functions, polar coordinates, and parametric functions.

W

wcragoe

Math Teacher
4/1
Material
Titanic Navigational Chart

Titanic Navigational Chart

A visual unit circle reference chart themed as a Titanic navigational map. It features all special angles in degrees and radians with their corresponding (x, y) coordinates, styled as a maritime instrument.

J

jlaroux

Math Teacher
2/24
Material
Titanic Trig Flashcards Part 2

Titanic Trig Flashcards Part 2

The second set of Titanic-themed trigonometry flashcards (Cards 17-30). This collection focuses on radian measures of special angles, featuring additional historical passengers like Lady Duff-Gordon and the Countess of Rothes.

J

jlaroux

Math Teacher
2/24
Material
Titanic Trig Flashcards Part 1

Titanic Trig Flashcards Part 1

A set of 16 nautical-themed trigonometry flashcards featuring Titanic passengers and historical milestones. Each card challenges students to find sine, cosine, or tangent values for key unit circle angles within the context of the ship's journey.

J

jlaroux

Math Teacher
2/24
Material
Titanic Trig Study Guide

Titanic Trig Study Guide

A comprehensive Titanic-themed trigonometry study guide featuring navigation metaphors, a special angles table, and historical passenger scenarios (Captain Smith, Molly Brown, Frederick Fleet) to practice unit circle coordinates.

J

jlaroux

Math Teacher
2/24
Material
Target TSIA2 Math Key

Target TSIA2 Math Key

A detailed answer key for the adjusted TSIA2 Math practice test, featuring the new distribution of quantitative, algebraic, geometric, and statistical questions.

JW

Jessica Waters

Math Teacher
1/21
Material
Target TSIA2 Math Worksheet

Target TSIA2 Math Worksheet

A 20-question multiple-choice practice test for the TSIA2 Mathematics assessment, with a specific distribution of quantitative (6), algebraic (7), geometric (3), and statistical (4) questions.

JW

Jessica Waters

Math Teacher
1/21
Material
Mirror Math Teacher Guide

Mirror Math Teacher Guide

A comprehensive teacher guide for the Mirror Math lesson. Includes a materials checklist, pacing guide, strategic video pause points with discussion questions, troubleshooting tips for the hands-on activity, and a full answer key.

Lenny Avatar
Lenny
1/19
Material
Mirror Math Slides

Mirror Math Slides

A comprehensive slide presentation for teaching inverse functions visually. Features conceptual diagrams, embedded video prompts, guided activity steps, and visual proofs of the coordinate swap property.

Lenny Avatar
Lenny
1/19
Material
Mirror Math Worksheet

Mirror Math Worksheet

A hands-on student worksheet for exploring inverse functions. Includes a warm-up for graphing y=x, a video analysis table for cubic functions, a large grid for the 'Fold and Trace' activity, and an exit ticket for coordinate verification.

Lenny Avatar
Lenny
1/19
Material
Radian Mastery Key

Radian Mastery Key

Answer key for the Radian Discovery lesson. Includes expected observations from the lab and full solutions for the exit ticket and conversion table.

Lenny Avatar
Lenny
2/12
Material
Radian Conversion Check

Radian Conversion Check

Progress monitoring exit ticket for students to demonstrate their understanding of radian measure and its relationship to arc length. Includes a conceptual check, conversion table, and an application word problem.

Lenny Avatar
Lenny
2/12
Material
Arc Length Lab Worksheet

Arc Length Lab Worksheet

Student activity worksheet featuring a large unit circle template for the string-wrapping activity. Includes step-by-step discovery instructions and observation prompts to connect arc length to radian measure.

Lenny Avatar
Lenny
2/12
Material
String Circle Guide

String Circle Guide

Teacher facilitation guide for the Tier 2 intervention lesson. Includes a step-by-step scaffolded script for the string-wrapping activity, key misconceptions to monitor, and specific instructional cues for small groups.

Lenny Avatar
Lenny
2/12
Material
Radian Discovery Slides

Radian Discovery Slides

Visual slide deck for a Tier 2 intervention lesson on radians and arc length. Features a "Blueprint" theme with clear visual definitions, the "String Wrap" conceptual explanation, and basic radian-degree conversion highlights.

Lenny Avatar
Lenny
2/12
Material
Negative Space Answer Key

Negative Space Answer Key

A detailed answer key for the Formula Forge challenge sheet, providing step-by-step algebraic derivations and final general formulas for all problems.

Lenny Avatar
Lenny
1/19
Material
Negative Space Challenge Sheet

Negative Space Challenge Sheet

A challenge problem sheet for students to derive and generalize formulas for various 'leftover' shapes, including inscribed circles, overlapping lenses, and voids within triangles.

Lenny Avatar
Lenny
1/19
Material
Hidden Curves Slides

Hidden Curves Slides

A visual presentation for the 'Hidden Curves' lesson, featuring the Matholia video embed, architectural definitions of spandrels, and step-by-step algebraic and visual solutions to negative space problems.

Lenny Avatar
Lenny
1/19
Material
Spandrel Secrets Teacher Guide

Spandrel Secrets Teacher Guide

A comprehensive teacher guide for the 'Hidden Curves' lesson, detailing the timeline, whiteboard setup, and instructional prompts for exploring spandrels and algebraic decomposition.

Lenny Avatar
Lenny
1/19
Material
Radial Revolution Teacher Key

Radial Revolution Teacher Key

Teacher answer key for Lesson 5, including step-by-step trigonometric substitution for cardioid surface area and geometric verification for spheres.

Lenny Avatar
Lenny
1/18
Material
Radial Revolution Lab

Radial Revolution Lab

Student worksheet for Lesson 5, featuring surface area problems for cardioids and circles, plus a challenge involving rose curve rotation.

Lenny Avatar
Lenny
1/18
Material
Surface Solids Slides

Surface Solids Slides

Slide presentation for Lesson 5 on surface area of revolution in polar coordinates, synthesizing earlier concepts of arc length and coordinate conversion.

Lenny Avatar
Lenny
1/18
Material
Spiral Shell Teacher Key

Spiral Shell Teacher Key

Teacher answer key for Lesson 4, featuring detailed trigonometric identity work for cardioid arc length and the formula application for Archimedean spirals.

Lenny Avatar
Lenny
1/18
Material
Spiral Shell Worksheet

Spiral Shell Worksheet

Student worksheet for Lesson 4, containing arc length problems for circles, cardioids, and spirals, plus a conceptual reflection on the formula's components.

Lenny Avatar
Lenny
1/18
Material
Polar Arc Length Slides

Polar Arc Length Slides

Slide presentation for Lesson 4 on polar arc length, covering the derivation from parametric form and application to cardioids and spirals.

Lenny Avatar
Lenny
1/18
Material
Bounded Regions Teacher Key

Bounded Regions Teacher Key

Teacher answer key for Lesson 3, providing detailed breakdown of compound integral setups and the "Surveyor's Challenge" triple-overlap solution.

Lenny Avatar
Lenny
1/18
Material
Shared Territory Worksheet

Shared Territory Worksheet

Student worksheet featuring problems on shared polar area and area between curves, including a multi-curve "Surveyor's Challenge."

Lenny Avatar
Lenny
1/18
Material
Bounded Regions Slides

Bounded Regions Slides

Slide deck for Lesson 3 focusing on bounded polar regions, intersections, and the difference between "shared area" and "area between curves."

Lenny Avatar
Lenny
1/18
Material
Inner Loop Teacher Key

Inner Loop Teacher Key

Teacher answer key for the "Lima\u00e7on Loop Lab," providing detailed solutions for loop boundary solving and compound area strategies.

Lenny Avatar
Lenny
1/18
Material
Lima\u00e7on Loop Lab

Lima\u00e7on Loop Lab

Student activity focusing on calculating inner loop areas of lima\u00e7ons and rose curves, requiring students to solve for intersection with the pole.

Lenny Avatar
Lenny
1/18
Material
TSIA2 Math Review Slideshow

TSIA2 Math Review Slideshow

A complete 20-question review presentation for the TSIA2 Math practice exam, featuring each question followed by a detailed step-by-step explanation slide with proper work areas. Rendering and overflow issues have been resolved. Full 20 pairs included.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Math Answer Key Teacher Guide

TSIA2 Math Answer Key Teacher Guide

A detailed answer key for the TSIA2 Math practice exam, including correct responses, problem domains, and brief step-by-step explanations for all 20 questions. Table formatting refined for page breaks.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Practice Exam Worksheet

TSIA2 Practice Exam Worksheet

A 20-question practice exam for the TSIA2 Math assessment, featuring a balanced mix of quantitative, algebraic, geometric, and statistical reasoning problems with dedicated workspace for student calculations. Backgrounds are removed for clarity.

PR

Penne Reed

School Administrator
4/16
Material
Marathon Review Slides Full

Marathon Review Slides Full

A comprehensive 15-day slide deck for the TSIA2 Math Marathon. Features daily Warm-Up questions and detailed solution slides for all 30 practice problems covering all TSIA2 domains. Updated to be fully complete and fixed rendering issues.

PR

Penne Reed

School Administrator
4/16
Material
Week Three Marathon Log

Week Three Marathon Log

A 5-day student log for the final week of the TSIA2 Math Marathon. Covers days 11 through 15 with dedicated work areas, explanation boxes, and answer slots. Updated to optimize page breaks and increase work area size.

PR

Penne Reed

School Administrator
4/16
Material
Week Two Marathon Log

Week Two Marathon Log

A 5-day student log for the second week of the TSIA2 Math Marathon. Provides space for daily problem-solving, work verification, and written explanations for days 6 through 10. Updated to optimize page breaks and increase work area size.

PR

Penne Reed

School Administrator
4/16
Material
Week One Marathon Log

Week One Marathon Log

A 5-day student log for the first week of the TSIA2 Math Marathon. Includes dedicated spaces for showing work, providing a written explanation of the answer logic, and recording final answers. Updated to optimize page breaks and increase work area size.

PR

Penne Reed

School Administrator
4/16
Material
Pipe Power Math Answer Key

Pipe Power Math Answer Key

A detailed answer key for the Pipe Power Math Test, providing step-by-step solutions and scoring points for instructors.

M

mbloomer

Other
3/2
Material
Pipe Power Math Test

Pipe Power Math Test

A revised math assessment for plumbing apprentices including specific problems for cylindrical tank capacity and pipe volume conversions.

M

mbloomer

Other
3/2
Material
Plumbing Formula Cheat Sheet

Plumbing Formula Cheat Sheet

A essential reference sheet for plumbing apprentices featuring geometric formulas, offset multipliers, unit conversions, and fraction-to-decimal charts.

M

mbloomer

Other
3/2
Material
TSIA2 Math Answer Key

TSIA2 Math Answer Key

A detailed answer key for the TSIA2 Math Practice Test, including a quick-reference grading table, step-by-step solutions for all 20 questions, and a diagnostic scoring guide. (Updated to reflect changes in questions 3, 10, and 19).

JW

Jessica Waters

Math Teacher
2/20
Material
TSIA2 Math Practice Test

TSIA2 Math Practice Test

A 20-question multiple choice practice test for the TSIA2 Math exam, broken down by topic area: Quantitative Reasoning, Algebraic Reasoning, Geometry, and Statistics. Includes space for student work. (Updated questions 3, 10, and 19).

JW

Jessica Waters

Math Teacher
2/20
Material
TSIA2 Math Answer Key

TSIA2 Math Answer Key

An answer key for the TSIA2 Math practice test, including correct answers, brief explanations, and a domain distribution breakdown.

JW

Jessica Waters

Math Teacher
2/20
Material
TSIA2 Math Practice Test

TSIA2 Math Practice Test

A 20-question TSIA2 Math practice test with questions across four domains: Quantitative Reasoning, Algebraic Reasoning, Geometry, and Probability and Statistics.

JW

Jessica Waters

Math Teacher
2/20
Material
Target TSIA2 Math Key

Target TSIA2 Math Key

A detailed answer key for the adjusted TSIA2 Math practice test, featuring the new distribution of quantitative, algebraic, geometric, and statistical questions.

JW

Jessica Waters

Math Teacher
1/21
Material
Target TSIA2 Math Worksheet

Target TSIA2 Math Worksheet

A 20-question multiple-choice practice test for the TSIA2 Mathematics assessment, with a specific distribution of quantitative (6), algebraic (7), geometric (3), and statistical (4) questions.

JW

Jessica Waters

Math Teacher
1/21
Material
Spatial Solver Answer Key

Spatial Solver Answer Key

A detailed answer key for the Spatial Solver Activity, providing step-by-step algebraic solutions and final results for teacher reference.

Lenny Avatar
Lenny
1/19
Material
Dimensions of Distance Slides

Dimensions of Distance Slides

A visual presentation for a Pre-Calculus lesson on point-to-plane distance, including a warm-up, embedded video slide, formula breakdown, and group activity instructions.

Lenny Avatar
Lenny
1/19
Material
Spatial Solver Activity

Spatial Solver Activity

A collaborative group activity worksheet for Pre-Calculus students, guiding them through sketching, algebraic conversion, and final distance calculation for a 3D point-to-plane problem.

Lenny Avatar
Lenny
1/19
Material
Dimensions of Distance Lesson Plan

Dimensions of Distance Lesson Plan

A comprehensive lesson plan for Pre-Calculus teachers covering point-to-plane distance calculations, featuring timed segments, video integration cues, and pedagogical notes.

Lenny Avatar
Lenny
1/19
Material
Mirror Math Teacher Guide

Mirror Math Teacher Guide

A comprehensive teacher guide for the Mirror Math lesson. Includes a materials checklist, pacing guide, strategic video pause points with discussion questions, troubleshooting tips for the hands-on activity, and a full answer key.

Lenny Avatar
Lenny
1/19
Material
Mirror Math Slides

Mirror Math Slides

A comprehensive slide presentation for teaching inverse functions visually. Features conceptual diagrams, embedded video prompts, guided activity steps, and visual proofs of the coordinate swap property.

Lenny Avatar
Lenny
1/19
Material
Mirror Math Worksheet

Mirror Math Worksheet

A hands-on student worksheet for exploring inverse functions. Includes a warm-up for graphing y=x, a video analysis table for cubic functions, a large grid for the 'Fold and Trace' activity, and an exit ticket for coordinate verification.

Lenny Avatar
Lenny
1/19
Material
Reflection Lab Rubric

Reflection Lab Rubric

A formal grading rubric for the Reflection Lab. It evaluates students on graphing accuracy, the precision of their fold transformation, algebraic verification steps, and critical reflection on function invertibility.

Lenny Avatar
Lenny
1/19
Material
Reflection Lab Worksheet

Reflection Lab Worksheet

A specialized graph paper worksheet for the 'Fold and Trace' activity. Includes an identity line (y=x), data tables for original and inverse points, and a space for algebraic verification.

Lenny Avatar
Lenny
1/19
Material
Reflection Point Slides

Reflection Point Slides

A comprehensive presentation for teaching the visual and algebraic properties of inverse functions, featuring embedded video instruction and step-by-step activity guides.

Lenny Avatar
Lenny
1/19
Material
Geometric Engine Answer Key

Geometric Engine Answer Key

A comprehensive answer key for the "Geometric Engine" sequence, covering all worksheet problems and logic challenges from Lessons 1 through 4.

Lenny Avatar
Lenny
1/18
Material
Animation Project Rubric

Animation Project Rubric

A technical rubric for evaluating the "Animation Engine Project," assessing matrix encoding, composite calculation, transformation logic, and visual rendering.

Lenny Avatar
Lenny
1/18
Material
Animation Engine Project Guide

Animation Engine Project Guide

The final project guide for Lesson 5, "Animation Engine Project," where students design and calculate a sequence of matrix transformations for a geometric logo.

Lenny Avatar
Lenny
1/18
Material
Chain Reaction Activity

Chain Reaction Activity

An activity worksheet for Lesson 4, "Chain Reaction," where students practice composing transformation matrices and exploring the importance of order.

Lenny Avatar
Lenny
1/18
Material
Super Matrix Slides

Super Matrix Slides

A slide deck for Lesson 4, "Super Matrix Slides," explaining how to compose multiple geometric transformations into a single composite matrix through matrix multiplication.

Lenny Avatar
Lenny
1/18
Material
Matrix Mirror Worksheet

Matrix Mirror Worksheet

A student worksheet for Lesson 3, "Matrix Mirror," focused on performing matrix multiplication to achieve geometric rotations and reflections.

Lenny Avatar
Lenny
1/18
Material
Transformation Reference Sheet

Transformation Reference Sheet

A reference sheet for Lesson 3, providing the standard 2x2 matrices for common geometric reflections and rotations.

Lenny Avatar
Lenny
1/18
Material
Flip and Spin Slides

Flip and Spin Slides

A slide deck for Lesson 3, "Flip and Spin Multiplication," introducing rotation and reflection matrices and their application via matrix multiplication.

Lenny Avatar
Lenny
1/18
Material
Transformation Lab Worksheet

Transformation Lab Worksheet

A student worksheet for Lesson 2, "Transformation Lab," covering matrix addition for translation and scalar multiplication for dilation.

Lenny Avatar
Lenny
1/18
Material
Slide and Stretch Slides

Slide and Stretch Slides

A slide deck for Lesson 2, "Slide and Stretch Operations," explaining matrix addition for translation and scalar multiplication for dilation.

Lenny Avatar
Lenny
1/18
Material
Vertex Blueprint Worksheet

Vertex Blueprint Worksheet

A student worksheet for Lesson 1, "Vertex Vault," focusing on the conversion between polygon vertices on a graph and their matrix representation.

Lenny Avatar
Lenny
1/18
Material
Vertex Vault Slides

Vertex Vault Slides

An introductory slide deck for Lesson 1, "Vertex Vault", explaining how to represent 2D polygons as matrices where columns are vertices and rows are dimensions.

Lenny Avatar
Lenny
1/18
Material
Voyager's Final Map Activity

Voyager's Final Map Activity

The capstone activity for the sequence where students solve a multi-step navigation puzzle using translation, rotation, dilation, and reflection in the complex plane.

Lenny Avatar
Lenny
1/17
Material
Complex Treasure Hunt Slides

Complex Treasure Hunt Slides

A visual presentation for Lesson 5, setting up the "Complex Treasure Hunt" activity and reinforcing the strategic choice between algebraic and geometric methods.

Lenny Avatar
Lenny
1/17
Material
Grid Master Teacher Guide

Grid Master Teacher Guide

A facilitation guide for teachers leading the 'Robot Vector Commands' lesson. Includes floor setup instructions for the tape grid, activity facilitation tips, and a complete answer key for the student navigation log.

Lenny Avatar
Lenny
1/19
Material
Robot Vector Commands Slides

Robot Vector Commands Slides

A visual presentation for the 'Robot Vector Commands' lesson. It includes a warm-up, the embedded vector video (magnitude-to-component segment), instructions for the robotics activity, and an extension on video game movement code.

Lenny Avatar
Lenny
1/19
Material
Programmer Console Worksheet

Programmer Console Worksheet

A student worksheet for the 'Robot Vector Commands' lesson. It includes a warm-up on sketching angles, notes for the magnitude-to-component video segment, and a log for the hands-on robot programming activity.

Lenny Avatar
Lenny
1/19
Material
Drafting Reflections Journal Prompts

Drafting Reflections Journal Prompts

A set of reflective journal prompts designed for students to articulate their understanding of the connection between 30-60-90 triangles and the unit circle.

Lenny Avatar
Lenny
1/19
Material
Coordinate Builder Worksheet

Coordinate Builder Worksheet

A specialized worksheet for students to 'build' the unit circle by calculating the x and y coordinates for 30° and 60° angles using special right triangle ratios.

Lenny Avatar
Lenny
1/19
Material
Radius Blueprint Slides

Radius Blueprint Slides

A visual slide deck guiding students through the 'Unit Circle Architect' lesson, featuring video integration, warm-up prompts, and the main activity instructions.

Lenny Avatar
Lenny
1/19
Material
Architect Guide Teacher Resource

Architect Guide Teacher Resource

A comprehensive teacher guide for the Unit Circle Architect lesson, including timing, pacing, answer keys, and common misconceptions for connecting special right triangles to coordinates.

Lenny Avatar
Lenny
1/19
Material
Ambiguous Case Answer Key

Ambiguous Case Answer Key

An answer key and teacher solution guide for the Swinging Side Investigation, providing step-by-step Law of Sines calculations and expected student responses.

Lenny Avatar
Lenny
1/19
Material
Swinging Side Investigation Worksheet

Swinging Side Investigation Worksheet

A student investigation worksheet for the physical SSA construction activity, including sections for warm-up, observations, Law of Sines calculations, and a final reflection.

Lenny Avatar
Lenny
1/19
Material
SSS Angle Showdown Answer Key

SSS Angle Showdown Answer Key

A complete answer key for the SSS Angle Showdown worksheet, including step-by-step algebraic rearrangement and full solutions for all problems.

Lenny Avatar
Lenny
1/19
Material
Ambiguous Case Slides

Ambiguous Case Slides

A visual presentation for teaching the Law of Sines and the SSA Ambiguous Case, featuring embedded video prompts, technical diagrams, and investigation instructions.

Lenny Avatar
Lenny
1/19
Material
SSS Angle Showdown Worksheet

SSS Angle Showdown Worksheet

A worksheet for students to practice rearranging the Law of Cosines formula and applying it to solve three SSS triangle problems, including a final logic check.

Lenny Avatar
Lenny
1/19
Material
SSS Angle Showdown Presentation

SSS Angle Showdown Presentation

A presentation slide deck for teaching the Law of Cosines for SSS triangles, featuring an embedded video, algebraic rearrangement guides, and a final logic check slide.

Lenny Avatar
Lenny
1/19
Material
Surveyor Facilitation Guide

Surveyor Facilitation Guide

A comprehensive facilitation guide for teachers, outlining the lesson pacing, key discussion questions, materials needed, and common student misconceptions regarding the Law of Sines and the Ambiguous Case.

Lenny Avatar
Lenny
1/19
Material
Collision Course Worksheet

Collision Course Worksheet

A case study worksheet for finding intersection points and testing for symmetry in polar equations, using a satellite orbit scenario.

Lenny Avatar
Lenny
1/18
Material
Collision Course Slides

Collision Course Slides

A visual presentation focusing on advanced graphing analysis involving symmetry tests and finding intersection points in the polar plane.

Lenny Avatar
Lenny
1/18
Material
Curve Collector Worksheet

Curve Collector Worksheet

An exploration worksheet focusing on classifying rose curves and lima\u00e7ons based on their coefficients and ratios.

Lenny Avatar
Lenny
1/18
Material
Complex Curves Slides Space Snail and Roses

Complex Curves Slides Space Snail and Roses

A visual presentation systematically exploring classical polar curves like roses and lima\u00e7ons, focusing on the effect of coefficients and ratios on their shapes.

Lenny Avatar
Lenny
1/18
Material
Simple Shapes Worksheet

Simple Shapes Worksheet

An inquiry-based worksheet for exploring basic polar curves like circles and lines through prediction, table completion, and sketching.

Lenny Avatar
Lenny
1/18
Material
Basic Curves Slides

Basic Curves Slides

A visual presentation introducing the graphs of basic polar curves like circles and lines, with a focus on predicting and verifying shapes.

Lenny Avatar
Lenny
1/18
Material
TSIA2 Math Review Slideshow

TSIA2 Math Review Slideshow

A complete 20-question review presentation for the TSIA2 Math practice exam, featuring each question followed by a detailed step-by-step explanation slide with proper work areas. Rendering and overflow issues have been resolved. Full 20 pairs included.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Math Answer Key Teacher Guide

TSIA2 Math Answer Key Teacher Guide

A detailed answer key for the TSIA2 Math practice exam, including correct responses, problem domains, and brief step-by-step explanations for all 20 questions. Table formatting refined for page breaks.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Practice Exam Worksheet

TSIA2 Practice Exam Worksheet

A 20-question practice exam for the TSIA2 Math assessment, featuring a balanced mix of quantitative, algebraic, geometric, and statistical reasoning problems with dedicated workspace for student calculations. Backgrounds are removed for clarity.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Mastery Presentation Slides

TSIA2 Mastery Presentation Slides

An engaging presentation that introduces the TSIA2 Math assessment and now includes a comprehensive 5-slide step-by-step solution guide for the mastery questions.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Solutions Teacher Guide

TSIA2 Solutions Teacher Guide

A detailed answer key providing step-by-step explanations for all 10 practice test questions, now with improved contrast and layout to ensure each solution stays on its own page.

PR

Penne Reed

School Administrator
4/16
Material
TSIA2 Practice Test Document

TSIA2 Practice Test Document

A comprehensive 10-question practice test covering the core domains of the TSIA2 Math assessment, now featuring improved layouts, per-question work areas, and clear calculator icons.

PR

Penne Reed

School Administrator
4/16
Material
Marathon Review Slides Full

Marathon Review Slides Full

A comprehensive 15-day slide deck for the TSIA2 Math Marathon. Features daily Warm-Up questions and detailed solution slides for all 30 practice problems covering all TSIA2 domains. Updated to be fully complete and fixed rendering issues.

PR

Penne Reed

School Administrator
4/16
Material
Week Three Marathon Log

Week Three Marathon Log

A 5-day student log for the final week of the TSIA2 Math Marathon. Covers days 11 through 15 with dedicated work areas, explanation boxes, and answer slots. Updated to optimize page breaks and increase work area size.

PR

Penne Reed

School Administrator
4/16
Material
Week Two Marathon Log

Week Two Marathon Log

A 5-day student log for the second week of the TSIA2 Math Marathon. Provides space for daily problem-solving, work verification, and written explanations for days 6 through 10. Updated to optimize page breaks and increase work area size.

PR

Penne Reed

School Administrator
4/16
Material
Week One Marathon Log

Week One Marathon Log

A 5-day student log for the first week of the TSIA2 Math Marathon. Includes dedicated spaces for showing work, providing a written explanation of the answer logic, and recording final answers. Updated to optimize page breaks and increase work area size.

PR

Penne Reed

School Administrator
4/16
Material
Pipe Power Math Answer Key

Pipe Power Math Answer Key

A detailed answer key for the Pipe Power Math Test, providing step-by-step solutions and scoring points for instructors.

M

mbloomer

Other
3/2
Material
Pipe Power Math Test

Pipe Power Math Test

A revised math assessment for plumbing apprentices including specific problems for cylindrical tank capacity and pipe volume conversions.

M

mbloomer

Other
3/2
Material
Plumbing Formula Cheat Sheet

Plumbing Formula Cheat Sheet

A essential reference sheet for plumbing apprentices featuring geometric formulas, offset multipliers, unit conversions, and fraction-to-decimal charts.

M

mbloomer

Other
3/2
Material
TSIA2 Math Answer Key

TSIA2 Math Answer Key

A detailed answer key for the TSIA2 Math Practice Test, including a quick-reference grading table, step-by-step solutions for all 20 questions, and a diagnostic scoring guide. (Updated to reflect changes in questions 3, 10, and 19).

JW

Jessica Waters

Math Teacher
2/20
Material
TSIA2 Math Practice Test

TSIA2 Math Practice Test

A 20-question multiple choice practice test for the TSIA2 Math exam, broken down by topic area: Quantitative Reasoning, Algebraic Reasoning, Geometry, and Statistics. Includes space for student work. (Updated questions 3, 10, and 19).

JW

Jessica Waters

Math Teacher
2/20
Material
TSIA2 Math Answer Key

TSIA2 Math Answer Key

An answer key for the TSIA2 Math practice test, including correct answers, brief explanations, and a domain distribution breakdown.

JW

Jessica Waters

Math Teacher
2/20
Material
TSIA2 Math Practice Test

TSIA2 Math Practice Test

A 20-question TSIA2 Math practice test with questions across four domains: Quantitative Reasoning, Algebraic Reasoning, Geometry, and Probability and Statistics.

JW

Jessica Waters

Math Teacher
2/20
Material
Target TSIA2 Math Key

Target TSIA2 Math Key

A detailed answer key for the adjusted TSIA2 Math practice test, featuring the new distribution of quantitative, algebraic, geometric, and statistical questions.

JW

Jessica Waters

Math Teacher
1/21
Material
Target TSIA2 Math Worksheet

Target TSIA2 Math Worksheet

A 20-question multiple-choice practice test for the TSIA2 Mathematics assessment, with a specific distribution of quantitative (6), algebraic (7), geometric (3), and statistical (4) questions.

JW

Jessica Waters

Math Teacher
1/21
Material
Complex Blueprints Graph Paper Activity

Complex Blueprints Graph Paper Activity

Customized graph paper for the 'Complex Blueprints' lesson, featuring labeled Real and Imaginary axes on an Argand plane template for students to plot complex numbers.

Lenny Avatar
Lenny
1/19