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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.
Lesson
Measuring Fun Teacher Guide
Size Showdown Slides
Size Spotter Worksheet
Size Search Activity

Measuring Fun

A hands-on introduction to measurement for Pre-K students, focusing on non-standard units and comparative vocabulary like 'taller', 'shorter', 'bigger', and 'smaller'. Students explore their environment to compare the sizes of everyday objects.

A

Amanda

General Education Teacher
3/2
Lesson
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

Wacky Wednesday Wonders

A whimsical lesson exploring 'Wacky Wednesday' through movement, counting up to 15, spatial awareness with hats, and a creative 'Wacky Wardrobe' craft.

DW

Deovion Ware

Psychologist
3/1
Lesson
Camp Height Slides
Height Hunt Tracker Clipboard
Camping Comparison Worksheet

Tall and Short Adventure

A Pre-K math lesson focused on identifying and comparing heights using the concepts of 'tall' and 'short' through a camping-themed exploration. Students watch a guided video, practice with visual examples, and go on a physical 'Height Hunt' around their environment.

Lenny Avatar
Lenny
1/19
Lesson
Sky High Stretches Teacher Guide
Sky High Stretches Slides
Height Explorer Worksheet

Sky High Stretches

A kinesthetic Pre-K lesson exploring height concepts through movement, video comparison, and a collaborative 'Line Up!' activity. Students learn to use the terms 'taller' and 'shorter' while comparing themselves and objects in a campsite setting.

Lenny Avatar
Lenny
1/19
Lesson
Reptile Ranger Guide
Cube Ranger Worksheet
Reptile Length Slides
Cube Ranger Answer Key

Reptile Length Lab

Students explore the concepts of longer, shorter, longest, and shortest by measuring reptile illustrations using non-standard units (connecting cubes). The lesson features a zoo-themed video and hands-on measurement practice to reinforce the importance of alignment and consistent units.

Lenny Avatar
Lenny
1/19
Lesson
Snake Safari Lesson Plan
Snake Safari Presentation Slides
Snake Safari Playdough Mat

Snake Safari Lengths

A hands-on measurement lesson for Pre-K and Kindergarten students using playdough to explore the concepts of 'longer' and 'shorter'. Students watch a zoo-themed video, compare snake lengths, and create their own playdough snakes on aligned mats.

Lenny Avatar
Lenny
1/19
Lesson
Tower Builders Teacher Guide
Tower Builders Slides
Strip Snips Worksheet
Tower Ladder Template

Tower Builders

A hands-on measurement lesson for Pre-K students to explore size ordering and the concepts of 'top', 'middle', and 'bottom' using paper strips and a tower template.

Lenny Avatar
Lenny
1/19
Lesson
Sorting Secret Teacher Guide
Sorting Secret Slides
Sorting Mats Resource
Sorting Kit Cut-Outs
Sorting Secret Exit Ticket

Sorting Secret

A foundational lesson for Pre-K and Kindergarten students focused on the classification aspect of data analysis. Students learn to sort objects by color, shape, and size through physical manipulatives and a guided video observation.

Lenny Avatar
Lenny
1/19
Lesson
Fill It Up Slides
Fill It Up Teacher Guide
Fill It Up Worksheet

Fill It Up

A foundational math and science lesson for Pre-K and Kindergarten students to explore the concepts of volume by identifying and defining 'empty' and 'full' through sensory play and visual comparison.

Lenny Avatar
Lenny
1/19
Lesson
Balance Lab Teacher Guide
Balance Lab Presentation
Weight Detective Worksheet
Balance Buddy Posters

Balance Lab

A hands-on Pre-K lesson exploring the concepts of weight and mass using balance scales, playdough, and engaging visual comparisons.

Lenny Avatar
Lenny
1/19
Lesson
Snake Stretchers Guide
Snake Stretcher Placemat
Snake Stretchers Slides

Snake Stretchers

A fun, hands-on Pre-K lesson where students explore the concepts of longest and shortest by creating and comparing playdough snakes.

Lenny Avatar
Lenny
1/19
Lesson
Measure Up Teacher Guide
Measure Up Slides
Unit Detectives Worksheet
Measuring Rules Poster

Measure Up

An introductory lesson for Pre-K and Kindergarten students on measuring length using non-standard units. Students will learn the basic rules of measurement and discover that different-sized units result in different measurements for the same object.

Lenny Avatar
Lenny
1/19
Lesson
Snake Train Teacher Guide
Snake Train Slides
Snake Train Counting Mat

Snake Train Counting

A hands-on Pre-K lesson focused on one-to-one correspondence and counting to 10 using playdough 'snakes' and non-standard measurement units like plastic bears.

Lenny Avatar
Lenny
1/19
Lesson
Empty Explorers Teacher Guide
Empty Explorers Slides
Empty Hunt Checklist

Empty Explorers

A Pre-K lesson focused on identifying the difference between empty and not empty containers through a classroom scavenger hunt and video-guided discussion.

Lenny Avatar
Lenny
1/19
Lesson
Obstacle Course Slides
Obstacle Course Station Signs
Navigator Certificate

Geometric Obstacle Course

Students navigate a physical obstacle course using their knowledge of spatial terms to complete specific movements like crawling under and stepping over.

Lenny Avatar
Lenny
1/18
Lesson
Mapping the Classroom Slides
Mini Furniture Labels
My Little Map Journal

Mapping the Classroom

Students create 3D block maps of their classroom to represent furniture and paths, developing abstract reasoning and scale visualization skills.

Lenny Avatar
Lenny
1/18
Lesson
Next To and Between Slides
Row Maker Prompt Cards
The Lineup Worksheet

Next To and Between

Students focus on lateral relationships by arranging objects in rows and identifying which items are 'next to' or 'between' others.

Lenny Avatar
Lenny
1/18
Lesson
Scavenger Hunt Slides
Scavenger Hunt Command Cards
Where is the Bear Worksheet

Positional Scavenger Hunt

Students follow and give directions to place objects in specific locations relative to classroom furniture, reinforcing vocabulary like 'on,' 'under,' 'in front,' and 'behind.'

Lenny Avatar
Lenny
1/18
Lesson
Body Navigators Slides
Body Navigators Teacher Guide
Position Explorer Worksheet

Me in Space

Students use their own bodies and large objects (boxes/hoops) to explore 'in,' 'out,' 'over,' and 'under,' connecting physical movement with vocabulary.

Lenny Avatar
Lenny
1/18
Lesson
Scale Scientists Slides
Balance Buddy Log

Scale Scientists

Students use balance scales to explore how weight and quantity interact. They predict and observe which side is 'more' (heavier) and which is 'less' (lighter).

Lenny Avatar
Lenny
1/17
Lesson
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

Wacky Wednesday Wonders

A whimsical lesson exploring 'Wacky Wednesday' through movement, counting up to 15, spatial awareness with hats, and a creative 'Wacky Wardrobe' craft.

DW

Deovion Ware

Psychologist
3/1
Lesson
Sorting Secret Teacher Guide
Sorting Secret Slides
Sorting Mats Resource
Sorting Kit Cut-Outs
Sorting Secret Exit Ticket

Sorting Secret

A foundational lesson for Pre-K and Kindergarten students focused on the classification aspect of data analysis. Students learn to sort objects by color, shape, and size through physical manipulatives and a guided video observation.

Lenny Avatar
Lenny
1/19
Lesson
Farmyard Fun Slides
Barnyard Counting Teacher Guide
Barnyard Count Worksheet

Barnyard Counting

A fun, farm-themed lesson for Pre-K and Kindergarten students to practice one-to-one correspondence using songs, interactive videos, and sensory bin sorting.

Lenny Avatar
Lenny
1/19
Lesson
Money Master Teacher Guide
Shiny Coins Slides
Coin Rubbing Canvas

Shiny Coins

A hands-on introductory lesson for Pre-K students to explore the visual features of Singapore coins, focusing on color recognition (gold vs. silver) and pattern discovery through coin rubbings.

Lenny Avatar
Lenny
1/19
Lesson
Critter Count Facilitation Guide
One to One Anchor Chart
Critter Count Presentation Slides
Critter Graph Mat
Printable Animal Counters

Critter Count Graphing

A hands-on Pre-K lesson where students explore one-to-one correspondence by counting plastic animals and representing them on a 3D picture graph. Inspired by a park-themed video, children learn to match one object to one symbol and identify 'most' and 'least'.

Lenny Avatar
Lenny
1/19
Lesson
Laundry Day Teacher Guide
Laundry Day Slides
Laundry Day Worksheet
Laundry Day Cutouts

Laundry Day Dash

A fun, hands-on lesson where Pre-K students practice fine motor skills and basic sorting by categorizing paper clothes by color or type.

Lenny Avatar
Lenny
1/19
Lesson
Rainbow Sorting Slides
Color Sorting Cards
Rainbow Sorting Teacher Guide
Sorting Superstar Certificate

Rainbow Sorting

A vibrant, hands-on lesson for Pre-K and Kindergarten students to learn the fundamentals of sorting objects by color through a 'Great Laundry Sort' activity and an engaging video.

Lenny Avatar
Lenny
1/19
Lesson
Sorting Scouts Teacher Guide
Sorting Scouts Slides
Background Detectives Worksheet

Sorting Scouts

A foundational sorting lesson for early learners (Pre-K to 1st Grade) that uses a backyard scene to identify, categorize, and sort objects by attributes like color and type. Students practice observation skills as 'Sorting Scouts' to find hidden groups in their environment.

Lenny Avatar
Lenny
1/19
Lesson
Obstacle Course Slides
Obstacle Course Station Signs
Navigator Certificate

Geometric Obstacle Course

Students navigate a physical obstacle course using their knowledge of spatial terms to complete specific movements like crawling under and stepping over.

Lenny Avatar
Lenny
1/18
Lesson
Mapping the Classroom Slides
Mini Furniture Labels
My Little Map Journal

Mapping the Classroom

Students create 3D block maps of their classroom to represent furniture and paths, developing abstract reasoning and scale visualization skills.

Lenny Avatar
Lenny
1/18
Lesson
Next To and Between Slides
Row Maker Prompt Cards
The Lineup Worksheet

Next To and Between

Students focus on lateral relationships by arranging objects in rows and identifying which items are 'next to' or 'between' others.

Lenny Avatar
Lenny
1/18
Lesson
Scavenger Hunt Slides
Scavenger Hunt Command Cards
Where is the Bear Worksheet

Positional Scavenger Hunt

Students follow and give directions to place objects in specific locations relative to classroom furniture, reinforcing vocabulary like 'on,' 'under,' 'in front,' and 'behind.'

Lenny Avatar
Lenny
1/18
Lesson
Body Navigators Slides
Body Navigators Teacher Guide
Position Explorer Worksheet

Me in Space

Students use their own bodies and large objects (boxes/hoops) to explore 'in,' 'out,' 'over,' and 'under,' connecting physical movement with vocabulary.

Lenny Avatar
Lenny
1/18
Lesson
Scale Scientists Slides
Balance Buddy Log

Scale Scientists

Students use balance scales to explore how weight and quantity interact. They predict and observe which side is 'more' (heavier) and which is 'less' (lighter).

Lenny Avatar
Lenny
1/17
Lesson
Musical Math Slides
Fewer Friends Reflection

Musical Math

A kinesthetic game of musical chairs illustrates the concept of 'fewer'. Students experience having fewer chairs than people, reinforcing the idea of a remainder.

Lenny Avatar
Lenny
1/17
Lesson
Cast Your Vote Slides
Vote Master Kit

Voting Game

The class creates a living bar graph by voting on preferences. They analyze the results to determine which category has more and which has fewer sticky notes.

Lenny Avatar
Lenny
1/17
Lesson
Tower Time Slides
Tower Builder Record

Tower Builders

Children build towers using connecting cubes based on number cards. By placing towers side-by-side, they visually compare height as a proxy for quantity.

Lenny Avatar
Lenny
1/17
Lesson
Mate Matcher Worksheet
Mate Matcher Slides
Pairing Professionals Guide

Matching Mates

Students learn one-to-one correspondence by physically pairing related objects like locks and keys. They identify when there are leftovers to understand that groups may have different amounts.

Lenny Avatar
Lenny
1/17
Lesson
Shape Shop Slides
Shape Shop Worksheet

Shape Shop Cleanup

A culminating project-based lesson where students organize a 'Shape Shop'. Students apply multiple sorting rules to categorize a wide variety of geometric objects.

Lenny Avatar
Lenny
1/17
Lesson
Same and Different Slides
Same and Different Worksheet

Same and Different Detectives

Focuses on verbalizing geometric properties to compare two shapes. Students use vocabulary like straight, curved, side, and corner to describe similarities and differences.

Lenny Avatar
Lenny
1/17