Lenny.com
Explore
Create
ActivitiesNewMathEnglish Language ArtsScience & EngineeringSocial StudiesGlobal LanguagesHealth & Physical EducationSpecial EducationCounseling & Life SkillsArts & CreativityESL
Lenny.com
Lenny.com
Explore
Create
ActivitiesNewMathEnglish Language ArtsScience & EngineeringSocial StudiesGlobal LanguagesHealth & Physical EducationSpecial EducationCounseling & Life SkillsArts & CreativityESL
Lenny.com
Lenny.com

Solutions

Lenny for EducatorsLenny for SchoolsLenny for Districts

Product

ExploreSign inCreateSupportAbout

Resources

Getting startedMTSS Acceleration Program

Newsletters

School Funding Newsletter

© 2026 Lenny Learning Inc.

TermsPrivacyAccessibility
LinkedInInstagramX
Lenny
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

Decimal Multiplication Test

A complete assessment lesson containing a student-ready Chapter 5 replacement math test on multiplying decimals and powers of ten, alongside a comprehensive teacher answer key with worked solutions and scoring guidance.

KSKerry Santos

Decimal Multiplication Test

A complete assessment lesson containing a student-ready Chapter 5 replacement math test on multiplying decimals and powers of ten, alongside a comprehensive teacher answer key with worked solutions and scoring guidance.

KSKerry Santos

You might also like

Addition Intervention Teacher Guide

Tens and Ones Fluency

A targeted two-week second grade intervention unit designed to build fluency in adding and subtracting within 100. Emphasizes place value decomposition, properties of operations, and the relationship between addition and subtraction.

K

kkipperman

4
Place Value Trials Worksheet

Place Value Trials

A three-trial progress monitoring assessment set evaluating digit value identification and form conversions up to the thousands place. Includes student assessment trials, a teacher data recording tracker, and a comprehensive answer key.

E

ecreamer

3
Decimal Multiplication Answer Key

Decimal Multiplication Answer Key

A comprehensive 2-page teacher answer key and scoring guide for the Form B decimal multiplication test, featuring worked-out grid and area models, step-by-step computations, point allocations, and common misconception callouts.

KS

Kerry Santos

Factor Pairs Slides

Number Code Breakers

A comprehensive Grade 4 mathematics unit covering factor pairs, multiples of one-digit numbers, and prime versus composite numbers for values 1 to 100. Students build systematic problem-solving strategies with dedicated computation workspaces.

K

kkipperman

9
Thanksgiving Feast Project Pack

Turkey Coin Feast

A festive second-grade applied math project where students use pennies, nickels, dimes, and quarters to budget and purchase items for their Thanksgiving feast.

C

Candace.Salen

3
Decimal Multiplication Student Test

Decimal Multiplication Student Test

A student-ready 4-page replacement Chapter 5 math test on multiplying decimals and powers of ten, featuring parallel estimation items, decimal grid models, area models, and place value decompositions.

KS

Kerry Santos

Counting Kickoff Tutoring Guide

Number Sense Launch

A hands-on early numeracy tutoring sequence building strong number sense, 1:1 touch counting, headline-to-baseline numeral writing, and concrete ten-and-ones grouping for numbers 1 to 15 using connecting cubes.

V

victoria.lesniak

8
Critter Reveal Puzzle Worksheet

Critter Math Quest

A hands-on addition to 10 puzzle lesson where early elementary students solve math facts to assemble and reveal a friendly sea turtle picture. Includes a printable student puzzle worksheet with cutout tiles and a complete teacher answer key with instructional tips.

Lenny Avatar
Lenny
2
Place Value Answer Key

Place Value Answer Key

Complete answer key and scoring guide for all three place value trials, featuring side-by-side solution keys, acceptable expanded form variations, and diagnostic scoring guidelines.

E

ecreamer

Increasing Patterns Lesson Plan

Pattern Rules Across Operations

A rigorous 2-day mini-unit for Grade 3 mathematics adapted from Uncommon Schools inquiry curriculum, focusing on arithmetic patterns and operational rules. Day 1 explores increasing patterns through addition and multiplication, while Day 2 targets decreasing patterns through subtraction and division.

A

Alexandra.Gassaway

7
Equal Measures Solutions Guide

Kitchen Conversions

A hands-on culinary math lesson focused on measurement equivalents, converting cups, pints, quarts, ounces, and spoons, and scaling kitchen recipes accurately.

CD

Cheri Donahoe

3
Place Value Tracker Sheet

Place Value Tracker Sheet

Teacher data recording sheet and progress monitoring tracker designed to log scores across all three trials, conduct item-level error analysis, and document instructional decisions toward the 90% mastery goal.

E

ecreamer