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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

Measurement & Data

SequencesLessonsMaterialsVideos
  1. Math

Measurement & Data

SequencesLessonsMaterialsVideos
SequencesLessonsMaterialsVideos

Develops proficiency in estimating and measuring length, area, volume, and mass using standard units and unit conversions. Integrates time, money, angle measurement, and data classification through counting and arithmetic applications.

Measurable AttributesIdentification and comparison of length, weight, and capacity through direct observation. Builds foundational vocabulary for describing and ordering objects based on their physical properties.
Classifying and Counting ObjectsSorting by physical attributes such as color, size, and shape to organize data sets. Develops counting skills within specific categories and establishes foundations for early data analysis.
Sequence
Seuss Squad Lesson Guide
Wacky Wonders Slides
Wacky Wardrobe Worksheet Tuneup
Wacky Wardrobe Worksheet Tuneup
Hat Positions Poster Tuneup
Hat Size Sort Worksheet
Counting Catastrophes Worksheet

Seuss Celebration

A Dr. Seuss-themed unit focusing on 'Wacky Wednesday' with a focus on counting, size sorting, prepositions, and creative expression for Pre-K and Kindergarten students.

DW

Deovion Ware

Psychologist
3/1
Sequence
Body Navigators Slides
Body Navigators Teacher Guide
Position Explorer Worksheet

Little Navigators Spatial Reasoning

A Pre-K sequence focused on developing spatial awareness and positional vocabulary through physical movement, object manipulation, and classroom mapping. students explore terms like in, out, over, under, next to, and between.

Lenny Avatar
Lenny
1/18
Sequence
Mate Matcher Worksheet
Mate Matcher Slides
Pairing Professionals Guide

Quantity Quest

A foundational Pre-K math sequence focusing on one-to-one correspondence and visual comparison of quantities. Students explore concepts of more, less, and fewer through physical pairing, tower building, voting, and balancing scales.

Lenny Avatar
Lenny
1/17
Sequence
Flat and Fat Slides
Flat and Fat Teacher Guide
Flat and Fat Sorting Mat

Solid Shape Squad

A hands-on introduction to 3D geometry for Pre-K students, focusing on the physical properties of spheres, cubes, cylinders, and cones through tactile exploration and play.

Lenny Avatar
Lenny
1/17
Sequence
Weight Explorers Slides
Heavy Light Discovery Worksheet
Hefting Facilitation Guide

Heavy and Light Explorers

A Pre-K sequence focused on introducing the concept of weight through sensory exploration, tools, and scientific prediction. Students learn to distinguish between 'heavy' and 'light' using their hands and balance scales.

Lenny Avatar
Lenny
1/17
Sequence
Splash Lab Intro Slides
Water Workers Worksheet
Level Up Teacher Guide

Splash Lab Capacity

A sensory-based math sequence for Pre-K students to explore capacity and volume through pouring, filling, and comparing containers. Students develop vocabulary like full and empty, use non-standard units (scoops), and explore conservation of volume.

Lenny Avatar
Lenny
1/17
Sequence
Height Heroes Slides
Height Heroes Worksheet
Height Heroes Teacher Guide

Sizing Up the World

A Pre-K sequence introducing length and height through direct comparison, seriation, and non-standard measurement using the theme of 'Little Explorers'. Students learn to align endpoints and use vocabulary like taller, shorter, and longer.

Lenny Avatar
Lenny
1/17
Sequence
Matching Magic Slides
Matching Magic Worksheet
Facilitation Guide

Sorting Superstars

A 5-lesson sequence for Pre-K students to explore classification, sorting by attributes (color, shape, size), and comparing counts. Students learn to identify similarities and differences, organize collections, and use counting to interpret data.

Lenny Avatar
Lenny
1/17
Sequence
Attribute Detectives Slides
Mystery Box Teacher Guide
Attribute Hunt Worksheet

Little Explorer Lab

A hands-on Pre-K sequence where students explore length, weight, and capacity through sensory-rich experiences. Students move from general descriptors to specific comparative vocabulary like 'longer,' 'heavier,' and 'full.'

Lenny Avatar
Lenny
1/17
Sequence
Rainbow Sorting Teacher Guide
Rainbow Sorting Slides
Rainbow Match Worksheet

Sorting Superstars

This sequence guides early learners through organizing their world by observing physical properties and grouping objects accordingly, bridging classification and early data analysis.

Lenny Avatar
Lenny
1/17
Sequence
Hefty Hands Slides
Hefty Hands Worksheet
Hefty Hands Teacher Guide

Weight and Capacity Explorers

A hands-on exploration of weight and capacity for Pre-K students, focusing on sensory perception, vocabulary development, and the use of simple tools like balance scales and pouring containers. Students transition from hefting objects to using comparative terms like 'heavy/light' and 'holds more/less.'

Lenny Avatar
Lenny
1/17
Sequence
Long Short Snakes Slides
Snake Sorting Worksheet
Snake Workshop Teacher Guide

Measuring Meadow

A foundational Pre-K sequence introducing length and height through tactile play, direct comparison of objects and peers, and ordering sets by size. Students develop essential vocabulary like 'long', 'short', 'tall', and 'taller' while learning the importance of a common baseline for fair measurement.

Lenny Avatar
Lenny
1/17
Sequence
Seuss Squad Lesson Guide
Wacky Wonders Slides
Wacky Wardrobe Worksheet Tuneup
Wacky Wardrobe Worksheet Tuneup
Hat Positions Poster Tuneup
Hat Size Sort Worksheet
Counting Catastrophes Worksheet

Seuss Celebration

A Dr. Seuss-themed unit focusing on 'Wacky Wednesday' with a focus on counting, size sorting, prepositions, and creative expression for Pre-K and Kindergarten students.

DW

Deovion Ware

Psychologist
3/1
Sequence
Body Navigators Slides
Body Navigators Teacher Guide
Position Explorer Worksheet

Little Navigators Spatial Reasoning

A Pre-K sequence focused on developing spatial awareness and positional vocabulary through physical movement, object manipulation, and classroom mapping. students explore terms like in, out, over, under, next to, and between.

Lenny Avatar
Lenny
1/18
Sequence
Mate Matcher Worksheet
Mate Matcher Slides
Pairing Professionals Guide

Quantity Quest

A foundational Pre-K math sequence focusing on one-to-one correspondence and visual comparison of quantities. Students explore concepts of more, less, and fewer through physical pairing, tower building, voting, and balancing scales.

Lenny Avatar
Lenny
1/17
Sequence
Color Swap Slides
Color Shape Detective Worksheet

Shape Attribute Detectives

A Pre-K geometry sequence focused on classifying shapes by color, size, orientation, and numerical attributes like sides and corners. Students develop critical thinking by articulating sorting rules and identifying similarities and differences between geometric figures.

Lenny Avatar
Lenny
1/17
Sequence
Magic Scissors Slides
Shape Splitters Worksheet
Magic Scissors Teacher Guide

Hidden Shape Hunters

This sequence introduces Pre-K students to shape decomposition and spatial awareness by exploring how larger shapes are made of smaller ones. Through hands-on cutting, puzzles, block building, and art analysis, students learn to see the parts within the whole.

Lenny Avatar
Lenny
1/17
Sequence
Flat and Fat Slides
Flat and Fat Teacher Guide
Flat and Fat Sorting Mat

Solid Shape Squad

A hands-on introduction to 3D geometry for Pre-K students, focusing on the physical properties of spheres, cubes, cylinders, and cones through tactile exploration and play.

Lenny Avatar
Lenny
1/17
Sequence
Weight Explorers Slides
Heavy Light Discovery Worksheet
Hefting Facilitation Guide

Heavy and Light Explorers

A Pre-K sequence focused on introducing the concept of weight through sensory exploration, tools, and scientific prediction. Students learn to distinguish between 'heavy' and 'light' using their hands and balance scales.

Lenny Avatar
Lenny
1/17
Sequence
Splash Lab Intro Slides
Water Workers Worksheet
Level Up Teacher Guide

Splash Lab Capacity

A sensory-based math sequence for Pre-K students to explore capacity and volume through pouring, filling, and comparing containers. Students develop vocabulary like full and empty, use non-standard units (scoops), and explore conservation of volume.

Lenny Avatar
Lenny
1/17
Sequence
Matching Magic Slides
Matching Magic Worksheet
Facilitation Guide

Sorting Superstars

A 5-lesson sequence for Pre-K students to explore classification, sorting by attributes (color, shape, size), and comparing counts. Students learn to identify similarities and differences, organize collections, and use counting to interpret data.

Lenny Avatar
Lenny
1/17
Sequence
Rainbow Sorting Teacher Guide
Rainbow Sorting Slides
Rainbow Match Worksheet

Sorting Superstars

This sequence guides early learners through organizing their world by observing physical properties and grouping objects accordingly, bridging classification and early data analysis.

Lenny Avatar
Lenny
1/17
Sequence
Hunt Mission Slides
Treasure Hunt Checklist
Hunt Facilitator Guide

Tiny Curators Counting

A project-based unit where Pre-K students become curators, gathering, sorting, labeling, and displaying collections of objects to master counting skills and number representation.

Lenny Avatar
Lenny
1/17