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Numbers & Counting

SequencesLessonsMaterialsVideos
  1. Math

Numbers & Counting

SequencesLessonsMaterialsVideos
SequencesLessonsMaterialsVideos

One-to-one correspondence, numeral identification, and comparison of quantities using terms like greater than or less than. Establishes the foundation for numerical literacy and early arithmetic operations.

Number NamesIdentification and spelling of number words from zero through millions. Connects numerical symbols to their written linguistic representations to strengthen mathematical literacy.
Comparing NumbersMathematical symbols including greater than (>), less than (<), and equal to (=) to evaluate numerical relationships. Builds fluency in ordering sets and comparing quantities from single digits to multi-digit integers.
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
Material
Five Minute Flyers Answer Key

Five Minute Flyers Answer Key

An answer key for the Five Minute Flyers worksheet, providing solutions for elapsed time problems in 5-minute increments.

MG

Michelle Goode

Special Education Teacher
4/27
Material
Quarter Time Quest Answer Key

Quarter Time Quest Answer Key

An answer key for the Quarter Time Quest worksheet, providing solutions for elapsed time problems in 15-minute increments.

MG

Michelle Goode

Special Education Teacher
4/27
Material
Five Minute Flyers Worksheet

Five Minute Flyers Worksheet

A Level 2 worksheet centered on calculating elapsed time in 5-minute increments. Features visual clock support with all 12 numbers and flight-themed word problems.

MG

Michelle Goode

Special Education Teacher
4/27
Material
Quarter Time Quest Worksheet

Quarter Time Quest Worksheet

A Level 1 worksheet focused on calculating elapsed time in 15-minute increments. Includes visual clock comparisons with all numbers 1-12 and thematic word problems.

MG

Michelle Goode

Special Education Teacher
4/27
Material
Time Facts Answer Key

Time Facts Answer Key

An answer key for the Time Facts Worksheet, providing correct answers for basic time units, clock anatomy, and the conceptual time challenge.

MG

Michelle Goode

Special Education Teacher
4/27
Material
Time Facts Worksheet

Time Facts Worksheet

A conceptual worksheet covering basic time facts, including units of time (seconds, minutes, hours, days, weeks, years) and functional clock knowledge. Includes fill-in-the-blank and short explanation questions.

MG

Michelle Goode

Special Education Teacher
4/27
Material
Giant Clock Answer Key

Giant Clock Answer Key

An answer key for the Giant Clock Worksheet, providing a clearly labeled example of all hour and minute positions. Includes key concepts and next step suggestions for teachers.

MG

Michelle Goode

Special Education Teacher
4/27
Material
Giant Clock Worksheet

Giant Clock Worksheet

A full-page clock worksheet featuring one large clock face. Students fill in the 12 hour circles and 12 five-minute increment boxes, perfect for initial instruction or detailed practice.

MG

Michelle Goode

Special Education Teacher
4/27
Material
Clock Master Answer Key

Clock Master Answer Key

An answer key for the Clock Master Worksheet, displaying the correct placement of all 12 hours and 5-minute increments. Includes teaching tips for instruction.

MG

Michelle Goode

Special Education Teacher
4/27
Material
Clock Master Worksheet

Clock Master Worksheet

A practice worksheet with four clock faces on a single page. Students fill in color-coded hour circles and enlarged minute boxes to learn clock anatomy and five-minute intervals.

MG

Michelle Goode

Special Education Teacher
4/27
Material
Telling Time Slides

Telling Time Slides

A presentation introducing clock anatomy, hour placement, and minute tracking by fives. Includes visual diagrams with all 12 numbers and step-by-step instructions.

MG

Michelle Goode

Special Education Teacher
4/27
Material
Money Mission 3 Worksheet

Money Mission 3 Worksheet

Math review worksheet for 2nd grade focusing on shopping, adding money values, and calculating change. Detective supply shop theme.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Money Mission 2 Worksheet

Money Mission 2 Worksheet

Equivalent money values worksheet for 2nd grade review. Includes multi-step coin combinations and trading scenarios. Detective theme.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Money Mission 1 Worksheet

Money Mission 1 Worksheet

Worksheet for counting mixed coins (pennies, nickels, dimes, quarters) with visual aids and skip-counting tips. Part of 2nd grade math review.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Subtraction Squad 4 Worksheet

Subtraction Squad 4 Worksheet

Subtraction word problems worksheet for 2nd grade review, including number line supports, evidence boxes, and sentence starters. Detective theme.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Subtraction Squad 3 Worksheet

Subtraction Squad 3 Worksheet

3-digit subtraction worksheet for 2nd grade review, including mixed regrouping scenarios and a strategy self-check. Detective theme.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Subtraction Squad 2 Worksheet

Subtraction Squad 2 Worksheet

2nd grade subtraction worksheet with regrouping. Includes mnemonic for regrouping and a dedicated "show your work" area for base-ten sketches.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Subtraction Squad 1 Worksheet

Subtraction Squad 1 Worksheet

Subtraction worksheet for 2nd grade review, focusing on 2-digit subtraction without regrouping. Includes a strategy practice section.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Place Value Patrol 4 Worksheet

Place Value Patrol 4 Worksheet

2nd grade math worksheet for comparing 3-digit numbers using comparison symbols and place value reasoning. Detective themed.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Place Value Patrol 3 Worksheet

Place Value Patrol 3 Worksheet

Mental math worksheet for 2nd grade review, focusing on 10 and 100 more/less than a given number. Detective themed.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Pizza Mystery Graphic

Pizza Mystery Graphic

A visual observation puzzle where students tally pizza toppings to solve a freezer unlock code. Scrambled tally list and clarified size-based sorting logic. Fixed page break and opacity.

HF

Hannah Fernandes

Special Education Teacher
4/27
Material
Pony Plotting Answer Key

Pony Plotting Answer Key

An answer key for the Pony Plotting Worksheet, providing correct counts, a visual graph representation, and final answers for the comparison questions. Now optimized for layout and readability.

S

sjcarr

Special Education Teacher
4/23
Material
Pony Plotting Worksheet

Pony Plotting Worksheet

A magical sorting and graphing worksheet featuring three types of ponies. Students count the characters, fill in a tally box, create a colored bar graph, and answer comparison questions. Now includes improved layout and scale.

S

sjcarr

Special Education Teacher
4/23
Material
Money Mission 3 Worksheet

Money Mission 3 Worksheet

Math review worksheet for 2nd grade focusing on shopping, adding money values, and calculating change. Detective supply shop theme.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Money Mission 2 Worksheet

Money Mission 2 Worksheet

Equivalent money values worksheet for 2nd grade review. Includes multi-step coin combinations and trading scenarios. Detective theme.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Money Mission 1 Worksheet

Money Mission 1 Worksheet

Worksheet for counting mixed coins (pennies, nickels, dimes, quarters) with visual aids and skip-counting tips. Part of 2nd grade math review.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Subtraction Squad 4 Worksheet

Subtraction Squad 4 Worksheet

Subtraction word problems worksheet for 2nd grade review, including number line supports, evidence boxes, and sentence starters. Detective theme.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Subtraction Squad 3 Worksheet

Subtraction Squad 3 Worksheet

3-digit subtraction worksheet for 2nd grade review, including mixed regrouping scenarios and a strategy self-check. Detective theme.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Subtraction Squad 2 Worksheet

Subtraction Squad 2 Worksheet

2nd grade subtraction worksheet with regrouping. Includes mnemonic for regrouping and a dedicated "show your work" area for base-ten sketches.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Subtraction Squad 1 Worksheet

Subtraction Squad 1 Worksheet

Subtraction worksheet for 2nd grade review, focusing on 2-digit subtraction without regrouping. Includes a strategy practice section.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Place Value Patrol 4 Worksheet

Place Value Patrol 4 Worksheet

2nd grade math worksheet for comparing 3-digit numbers using comparison symbols and place value reasoning. Detective themed.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Place Value Patrol 3 Worksheet

Place Value Patrol 3 Worksheet

Mental math worksheet for 2nd grade review, focusing on 10 and 100 more/less than a given number. Detective themed.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Place Value Patrol 2 Worksheet

Place Value Patrol 2 Worksheet

Place value worksheet for 2nd grade focusing on expanded form and word form translation. Detective theme.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Place Value Patrol 1 Worksheet

Place Value Patrol 1 Worksheet

Place value review worksheet for 2nd grade featuring base ten blocks, identification, and drawing. Detective theme.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Length Lab 3 Worksheet

Length Lab 3 Worksheet

Worksheet for creating a line plot from measurement data (to the half-inch). 2nd grade math review.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Length Lab 2 Worksheet

Length Lab 2 Worksheet

A 2nd grade math review worksheet for identifying and labeling fractions (halves, fourths) on a number line.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Length Lab 1 Worksheet

Length Lab 1 Worksheet

Measurement worksheet for 2nd grade review, focusing on measuring to the nearest half-inch with detective icons.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Fraction Folder 3 Worksheet

Fraction Folder 3 Worksheet

Worksheet focusing on non-unit fractions and mathematical vocabulary with sentence starters. Part of 2nd grade math review.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Fraction Folder 2 Worksheet

Fraction Folder 2 Worksheet

A worksheet for partitioning circles and rectangles into halves, thirds, and fourths, with sentence starters.

J

Jennifer.Thomas

Special Education Teacher
4/23
Material
Fraction Folder 1 Worksheet

Fraction Folder 1 Worksheet

A worksheet for identifying unit fractions (halves, thirds, fourths) with visual models. Part of a 2nd grade math review.

J

Jennifer.Thomas

Special Education Teacher
4/23