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Fractions & Decimals

SequencesLessonsMaterialsVideos
  1. Math

Fractions & Decimals

SequencesLessonsMaterialsVideos
SequencesLessonsMaterialsVideos

Foundational fraction equivalence, ordering, and operations across the rational number system. Addresses multi-digit computation, decimal conversions, and the distinction between rational and irrational numbers.

Building FractionsPart-whole relationships, unit fractions, and numerator-denominator identification. Develops foundational understanding through visual area models, sets, and number line representations.
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
Lesson
折れ線グラフと混合分数 スライド

折れ線グラフの読み取り

Students interpret and create line plots using measurement data involving fractions.

DG

Dan Gendo

Special Education Teacher
4/28
Lesson
インチの4分の1 測定スライド

インチの4分の1で測る

Students learn to measure objects to the nearest fourth of an inch and explore partition logic.

DG

Dan Gendo

Special Education Teacher
4/28
Lesson
インチの半分 測定スライド

インチの半分で測る

Students learn to measure objects to the nearest half-inch and are introduced to mixed numbers.

DG

Dan Gendo

Special Education Teacher
4/28
Lesson
Clock Compass Worksheet
Fraction Fieldguide Worksheet
Summit Sums Worksheet
Jungle Logic Worksheet
Explorer Quest Worksheet
Explorer Guide Answer Key

Math Explorer Adventures

A comprehensive sub-plan packet for 2nd grade math, covering telling time, partitioning shapes into fractions, and addition/subtraction within 100 through an engaging jungle exploration theme.

AM

amanda motley

Elementary Teacher
4/28
Lesson
Measurement Unit Slides Part 4
Measurement Unit Answer Key

Interpreting Line Plots

Analyzing and creating line plots to represent measurement data.

DG

Dan Gendo

Special Education Teacher
4/27
Lesson
Measurement Unit Slides Part 3
Data Mastery Worksheets

Equivalence and Mixed Numbers

Using fraction equivalence to measure and record lengths accurately.

DG

Dan Gendo

Special Education Teacher
4/27
Lesson
Measurement Unit Slides Part 2

Fourths of an Inch

Expanding measurement skills to fourths of an inch and practicing with mixed numbers.

DG

Dan Gendo

Special Education Teacher
4/27
Lesson
Measurement Unit Slides Part 1
Measurement Recording Sheets

Halves of an Inch

Introduction to measuring length in halves of an inch and understanding mixed numbers.

DG

Dan Gendo

Special Education Teacher
4/27
Lesson
Math Mastery Student Packet
Math Mastery Answer Key

Math Mastery Review

A comprehensive math review lesson designed to reinforce key elementary math skills including logical ordering, 2-digit subtraction, geometric attributes, and equal parts/fractions. This lesson uses a repeated "at-bat" structure to build mastery through multiple variations of the same problem format.

DB

Daimyn Badzic

Special Education Teacher
4/24
Lesson
Jungle Trek Slides
Expedition Leader Guide
Monkey Minute Worksheet
Jaguar Gems Worksheet
Python Polygon Worksheet
Parrot Pizza Worksheet
Safari Solutions Key

Safari Skills Quest

A high-energy math expedition where students master time, money, shapes, and fractions through a jungle-themed safari adventure. This lesson includes interactive slides, a comprehensive teacher guide, and skill-specific practice pages.

AM

amanda motley

Elementary Teacher
4/23
Lesson
Bakery Bits Slides
Bakery Batch Sort Activity
Sweet Slices Worksheet
Sweet Slices Answer Key
Bakery Facilitation Guide

Fraction Bakery

A hands-on introduction to fractions (halves, thirds, and fourths) using a bakery theme. Students will identify equal parts and sort shapes based on their fractional divisions.

Lenny Avatar
Lenny
4/23
Lesson
Group Case 1 Worksheet
Group Case 2 Worksheet
Group Case 3 Worksheet
Fraction Folder 1 Worksheet
Fraction Folder 2 Worksheet
Fraction Folder 3 Worksheet
Length Lab 1 Worksheet
Length Lab 2 Worksheet
Length Lab 3 Worksheet
Place Value Patrol 1 Worksheet
Place Value Patrol 2 Worksheet
Place Value Patrol 3 Worksheet
Place Value Patrol 4 Worksheet
Subtraction Squad 1 Worksheet
Subtraction Squad 2 Worksheet
Subtraction Squad 3 Worksheet
Subtraction Squad 4 Worksheet
Money Mission 1 Worksheet
Money Mission 2 Worksheet
Money Mission 3 Worksheet

Math Mastery Review

A comprehensive 20-worksheet review packet for 2nd grade math concepts including equal groups, fractions, measurement, place value, subtraction, and money, all themed as a 'Math Detective' case file.

J

Jennifer.Thomas

Special Education Teacher
4/23
Lesson
Day 3 Logic Legends Practice Sheet
Number Ninjas Answer Key Portfolio

Logic Leap

Students apply computation skills to solve real-world word problems involving equal groups and multi-step addition and subtraction.

MC

Melinda Cortez

Other
4/21
Lesson
Day 2 Fraction Fragments Practice Sheet

Fraction Flux

Students explore adding and subtracting fractions with common denominators using visual models and symbolic computation.

MC

Melinda Cortez

Other
4/21
Lesson
Tutor Facilitation Guide Script
Day 1 Operation Opposites Practice Sheet

Operation Opposites

Students learn to use the relationship between addition and subtraction to solve for missing numbers and check their work, bridging the gap from simple subtraction to algebraic thinking.

MC

Melinda Cortez

Other
4/21
Lesson
測定スライド集

測定の基礎

A foundational lesson on measurement, specifically focusing on inches and half-inches, translated into Japanese. Students learn to partition rulers and record data.

DG

Dan Gendo

Special Education Teacher
4/20
Lesson
Measurement Mastery Slides

Measurement Mastery

A comprehensive introduction to measurement, focusing on length, using inches and halves of an inch. Students learn to use rulers, collect data, and represent it on line plots while developing precision in their measurements.

DG

Dan Gendo

Special Education Teacher
4/20
Lesson
Unit 2 Assessment Worksheet
Unit 2 Assessment Key
Unit 3 Assessment Worksheet
Unit 3 Assessment Key
Unit 4 Assessment Worksheet
Unit 4 Assessment Key
Unit 5 Assessment Worksheet
Unit 5 Assessment Key

Unit 2 Time and Counting Assessment

Vocabulary assessment for Unit 2 covering time, counting, and problem-solving strategies.

ML

Meghan Lampert

Elementary Teacher
4/14
Lesson
Shape Sharing Slides
Shape Sharing Worksheet
Shape Sharing Answer Key

Shape Sharing

A bilingual (English/Simplified Chinese) lesson on partitioning shapes into equal shares (halves and fourths) for Level 1 ELL students. The lesson focuses on visual understanding and basic vocabulary like 'equal', 'half', and 'fourth'.

C

cfassel

Elementary Teacher
4/13