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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.

Counting ObjectsOne-to-one correspondence and cardinality skills through counting discrete objects in various arrangements. Strengthens number recognition and the understanding of quantity.
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
Progress Monitoring Log Tracker

Progress Monitoring Log Tracker

A teacher-facing data tracking tool for monitoring student progress across core number sense domains. Features a skills matrix, weekly intervention log, and space for anecdotal transfer notes.

NC

Nicole Camp

Psychologist
3/4
Material
Magnitude Comparison Lab Worksheet

Magnitude Comparison Lab Worksheet

A magnitude comparison worksheet for practicing "greater than," "less than," and "equal to" with numbers up to 100. Includes large visual aids and clear instructions for students with significant number sense deficits.

NC

Nicole Camp

Psychologist
3/4
Material
Place Value Blueprint Anchor Chart

Place Value Blueprint Anchor Chart

An anchor chart for place value up to 100, visually demonstrating how tens and ones are built using base-ten block representations and a place value chart.

NC

Nicole Camp

Psychologist
3/4
Material
Ten Frame Fact Practice Worksheet

Ten Frame Fact Practice Worksheet

A practice worksheet focusing on "making ten" using visual ten-frames. This supports basic fact fluency and number composition within 20 for students with significant gaps.

NC

Nicole Camp

Psychologist
3/4
Material
Decomposition Anchor Chart

Decomposition Anchor Chart

A high-contrast visual anchor chart explaining the concepts of composing and decomposing numbers, with a specific focus on making tens and the part-part-whole relationship.

NC

Nicole Camp

Psychologist
3/4
Material
Quantity Counting Lab Worksheet

Quantity Counting Lab Worksheet

A student-facing worksheet for practicing 1:1 correspondence and number identification. Features a clear "Look-Count-Write" example and large, uncluttered workspaces for students with significant number sense gaps.

NC

Nicole Camp

Psychologist
3/4
Material
Foundations Teacher Script

Foundations Teacher Script

A detailed teacher guide for Lesson 1, featuring explicit instructional scripts, CRA strategies, and scaffolding prompts for students struggling with number sense foundations.

NC

Nicole Camp

Psychologist
3/4
Material
Hydrology Hunters Answer Key

Hydrology Hunters Answer Key

An answer key for the 'Hydrology Hunters Worksheet', providing correct answers for the data interpretation and counting questions.

JM

Jessica Morse

Special Education Teacher
2/26
Material
Hydrology Hunters Worksheet

Hydrology Hunters Worksheet

A student worksheet for tracking and interpreting water cycle data, featuring a diagram, a data table of water units, and math-based interpretation questions.

JM

Jessica Morse

Special Education Teacher
2/26
Material
Hydrology Hunters Slides

Hydrology Hunters Slides

An instructional slide deck for the 'Hydrology Hunters' lesson, introducing the water cycle stages with a focus on tracking water movement using numerical data and counting units.

JM

Jessica Morse

Special Education Teacher
2/26
Material
Master Builders Vertical Worksheet Trio

Master Builders Vertical Worksheet Trio

A vertical tower comparison worksheet remixed to fit 3 problems per page, featuring a 2-page layout for a total of 6 practice problems. Large tower visuals and answer boxes optimized for Kindergarten handwriting.

V

victoria.lesniak

Special Education Teacher
2/26
Material
Master Builders Lateral Worksheet

Master Builders Lateral Worksheet

A student worksheet remixed to fit 3 tower comparison problems per page, featuring a 2-page layout for a total of 6 practice problems. Large block visuals and answer boxes optimized for Kindergarten handwriting.

V

victoria.lesniak

Special Education Teacher
2/26
Material
Neighbor Watch Worksheet

Neighbor Watch Worksheet

A student practice worksheet focused on temporal concepts, featuring numerical 'before/after' problems, image-based sequencing, and a personal drawing activity.

C

cnorton

Other
2/25
Material
Neighbor Wall Display

Neighbor Wall Display

Large-format bulletin board headers and decorative elements designed to create a classroom reference for 'before' and 'after' concepts.

C

cnorton

Other
2/25
Material
Sequence Sprint Cards

Sequence Sprint Cards

A set of printable sequencing cards featuring numbers and everyday life cycles to help students practice identifying what comes 'before' and 'after'.

C

cnorton

Other
2/25
Material
Number Neighbors Anchor Chart

Number Neighbors Anchor Chart

A vibrant anchor chart defining 'before' and 'after' with a visual number line and clear examples to help students understand temporal and numerical order.

C

cnorton

Other
2/25
Material
Lily Pad Leap Level 2 Worksheet

Lily Pad Leap Level 2 Worksheet

Day 2 independent practice focusing on comparing larger visual groups (0-10) with updated alligator-mouth visuals.

A

ahatcher

Special Education Teacher
2/24
Material
Swamp Success Exit Ticket

Swamp Success Exit Ticket

Day 4 exit ticket assessment where students demonstrate mastery of comparing groups and numerals 0-10 using all three symbols.

A

ahatcher

Special Education Teacher
2/24
Material
Chomp Champion Board Game

Chomp Champion Board Game

Day 4 small group board game where players roll a die and compare numbers or groups to advance to the finish line. Reinforces all three comparison symbols.

A

ahatcher

Special Education Teacher
2/24
Material
Chomp Champions Slides

Chomp Champions Slides

Review slides for Day 4. Covers all three comparison symbols and includes a 'Showdown' practice session before moving to stations.

A

ahatcher

Special Education Teacher
2/24
Material
Progress Monitoring Log Tracker

Progress Monitoring Log Tracker

A teacher-facing data tracking tool for monitoring student progress across core number sense domains. Features a skills matrix, weekly intervention log, and space for anecdotal transfer notes.

NC

Nicole Camp

Psychologist
3/4
Material
Magnitude Comparison Lab Worksheet

Magnitude Comparison Lab Worksheet

A magnitude comparison worksheet for practicing "greater than," "less than," and "equal to" with numbers up to 100. Includes large visual aids and clear instructions for students with significant number sense deficits.

NC

Nicole Camp

Psychologist
3/4
Material
Place Value Blueprint Anchor Chart

Place Value Blueprint Anchor Chart

An anchor chart for place value up to 100, visually demonstrating how tens and ones are built using base-ten block representations and a place value chart.

NC

Nicole Camp

Psychologist
3/4
Material
Ten Frame Fact Practice Worksheet

Ten Frame Fact Practice Worksheet

A practice worksheet focusing on "making ten" using visual ten-frames. This supports basic fact fluency and number composition within 20 for students with significant gaps.

NC

Nicole Camp

Psychologist
3/4
Material
Decomposition Anchor Chart

Decomposition Anchor Chart

A high-contrast visual anchor chart explaining the concepts of composing and decomposing numbers, with a specific focus on making tens and the part-part-whole relationship.

NC

Nicole Camp

Psychologist
3/4
Material
Quantity Counting Lab Worksheet

Quantity Counting Lab Worksheet

A student-facing worksheet for practicing 1:1 correspondence and number identification. Features a clear "Look-Count-Write" example and large, uncluttered workspaces for students with significant number sense gaps.

NC

Nicole Camp

Psychologist
3/4
Material
Foundations Teacher Script

Foundations Teacher Script

A detailed teacher guide for Lesson 1, featuring explicit instructional scripts, CRA strategies, and scaffolding prompts for students struggling with number sense foundations.

NC

Nicole Camp

Psychologist
3/4
Material
Math Symbol Map

Math Symbol Map

A reference chart for the foundational math symbols (plus, minus, and equals) with clear visual definitions and examples for early learners.

H

hstarks

Other
3/3
Material
Safari Wall Posters

Safari Wall Posters

A set of vibrant, high-impact classroom posters featuring numbers 1-10 (examples) and primary shapes with bold visuals for early learners.

H

hstarks

Other
3/3
Material
Wild Match Worksheet

Wild Match Worksheet

A student worksheet featuring matching activities for numbers and shapes, along with simple pictorial addition and subtraction problems.

H

hstarks

Other
3/3
Material
Shape Explorer Flashcards

Shape Explorer Flashcards

A collection of 2D and 3D shape flashcards featuring geometric definitions, clear visual icons, and real-world examples to help students identify shapes in their environment.

H

hstarks

Other
3/3
Material
Number Safari Flashcards

Number Safari Flashcards

A set of jungle-themed flashcards for numbers 1-10, featuring clear digits, adorable animal icons for counting, and the written number word.

H

hstarks

Other
3/3
Material
Galaxy Gaps Answer Key

Galaxy Gaps Answer Key

An answer key for the Galaxy Gaps worksheet, providing correct numerical sequences for various starting points in the teens (11-19) along with assessment tips.

V

victoria.lesniak

Special Education Teacher
2/26
Material
Galaxy Gaps Worksheet

Galaxy Gaps Worksheet

An additional practice worksheet focusing on various teen number sequences. Features thematic shapes and consistent counting-up patterns starting from numbers like 11, 13, 15, and 16.

V

victoria.lesniak

Special Education Teacher
2/26
Material
Star Sequence Answer Key

Star Sequence Answer Key

An answer key and teacher guidance sheet for the Star Sequence worksheet, including correct numerical sequences, common misconceptions, and discussion prompts.

V

victoria.lesniak

Special Education Teacher
2/26
Material
Star Sequence Worksheet

Star Sequence Worksheet

A space-themed student worksheet where students practice counting up in the teens (11-19). Features star-shaped input boxes and a 'Supernova Challenge' for extended sequencing practice.

V

victoria.lesniak

Special Education Teacher
2/26
Material
Blast Off Slides

Blast Off Slides

A vibrant, space-themed slide deck designed to introduce and practice counting teen numbers (11-19). Features large, clear numerical visuals and interactive prompts for class-wide practice of sequence identification.

V

victoria.lesniak

Special Education Teacher
2/26
Material
Counting Quest Passport Activity

Counting Quest Passport Activity

A student passport activity that serves as a summative assessment for the week, allowing students to track their progress in counting to 100 by ones and tens.

C

chriswicker

Elementary Teacher
2/25
Material
Explorer Graduation Lesson Plan

Explorer Graduation Lesson Plan

A detailed lesson plan for Day 5 of the Number Explorers unit, focusing on final assessment and celebration of counting mastery.

C

chriswicker

Elementary Teacher
2/25
Material
Leaping Logic Worksheet

Leaping Logic Worksheet

A student worksheet for Day 4, focusing on counting by tens to 100, tracing numbers, and identifying the zero pattern at the end of each decade.

C

chriswicker

Elementary Teacher
2/25
Material
Mixed Math Steps Key

Mixed Math Steps Key

The answer key for the Mixed Math Steps Worksheet, providing teacher-ready solutions.

MR

Maddy Roberts

Special Education Teacher
3/4
Material
Ten Steps Addition Key

Ten Steps Addition Key

The answer key for the Ten Steps Addition Worksheet, providing teacher-ready solutions.

MR

Maddy Roberts

Special Education Teacher
3/4
Material
Mixed Math Steps Worksheet

Mixed Math Steps Worksheet

A mixed addition and subtraction worksheet with 5 addition problems (sums up to 10) and 5 subtraction problems (starting numbers up to 10), featuring visual counting dots.

MR

Maddy Roberts

Special Education Teacher
3/4
Material
Ten Steps Addition Worksheet

Ten Steps Addition Worksheet

A super simple addition worksheet with 10 problems (sums up to 10), featuring visual counting dots under each number to support early elementary and autistic learners.

MR

Maddy Roberts

Special Education Teacher
3/4
Material
Duck Counting Mats Resource

Duck Counting Mats Resource

Printable number mats designed for tactile practice. Each mat features a large numeral and corresponding 'nests' (dotted circles) for students to place objects one at a time, reinforcing one-to-one correspondence and quantity representation.

CN

Coleman Newell

Special Education Teacher
3/4
Material
Duck Pond Count Worksheet

Duck Pond Count Worksheet

A refined worksheet that focuses on the two core skills: counting existing objects with one-to-one correspondence and 'representing' numbers by drawing or circling a specific quantity. Includes clear sections for numbers up to 20.

CN

Coleman Newell

Special Education Teacher
3/4
Material
Pond Patrol Teacher Guide

Pond Patrol Teacher Guide

An updated teacher guide focusing on the 'Touch, Say, Move' rule for one-to-one correspondence. Includes a structured 30-minute lesson plan featuring a 'Represent' game where students count out specific quantities.

CN

Coleman Newell

Special Education Teacher
3/4
Material
Duck Dash Slides

Duck Dash Slides

A simplified 6-slide presentation focusing on 'The Counting Rule' (Touch, Say, Move) for one-to-one correspondence. Includes interactive 'Show Me' challenges for numbers up to 20 to practice representing numerals with objects.

CN

Coleman Newell

Special Education Teacher
3/4
Material
Birthday Blast Counting Warmup

Birthday Blast Counting Warmup

A revised version of the math warm-up with significantly enlarged candles for easier cutting and coloring, and a massive birthday cake to accommodate all 20 candles.

CN

Coleman Newell

Special Education Teacher
3/4
Material
Teacher's Reef Guide

Teacher's Reef Guide

A teacher's guide for the Ocean Number Explorers activities. Includes instructions for use, differentiation strategies, scaffolding prompts, and a full answer key for the Sea Scout Task Cards.

RP

Riley Pate

Special Education Teacher
3/4
Material
Deep Sea Match Game

Deep Sea Match Game

A matching game featuring ocean creatures and numbers 1-20. Includes two sets of cards: one with clear numerals and another with corresponding sets of ocean emojis for students to count and pair.

RP

Riley Pate

Special Education Teacher
3/4
Material
Ocean Explorer Recording Sheet

Ocean Explorer Recording Sheet

A structured recording sheet for students to use with the Sea Scout Task Cards. It features numbered boxes for numbers 1-20 and space for name and date, keeping work organized and legible.

RP

Riley Pate

Special Education Teacher
3/4
Material
Sea Scout Task Cards

Sea Scout Task Cards

A set of 20 ocean-themed task cards for students to practice counting objects up to 20. Each card features cute ocean emojis and a clear question to guide one-to-one correspondence practice.

RP

Riley Pate

Special Education Teacher
3/4
Material
Progress Monitoring Log Tracker

Progress Monitoring Log Tracker

A teacher-facing data tracking tool for monitoring student progress across core number sense domains. Features a skills matrix, weekly intervention log, and space for anecdotal transfer notes.

NC

Nicole Camp

Psychologist
3/4
Material
Magnitude Comparison Lab Worksheet

Magnitude Comparison Lab Worksheet

A magnitude comparison worksheet for practicing "greater than," "less than," and "equal to" with numbers up to 100. Includes large visual aids and clear instructions for students with significant number sense deficits.

NC

Nicole Camp

Psychologist
3/4
Material
Place Value Blueprint Anchor Chart

Place Value Blueprint Anchor Chart

An anchor chart for place value up to 100, visually demonstrating how tens and ones are built using base-ten block representations and a place value chart.

NC

Nicole Camp

Psychologist
3/4
Material
Ten Frame Fact Practice Worksheet

Ten Frame Fact Practice Worksheet

A practice worksheet focusing on "making ten" using visual ten-frames. This supports basic fact fluency and number composition within 20 for students with significant gaps.

NC

Nicole Camp

Psychologist
3/4
Material
Decomposition Anchor Chart

Decomposition Anchor Chart

A high-contrast visual anchor chart explaining the concepts of composing and decomposing numbers, with a specific focus on making tens and the part-part-whole relationship.

NC

Nicole Camp

Psychologist
3/4
Material
Quantity Counting Lab Worksheet

Quantity Counting Lab Worksheet

A student-facing worksheet for practicing 1:1 correspondence and number identification. Features a clear "Look-Count-Write" example and large, uncluttered workspaces for students with significant number sense gaps.

NC

Nicole Camp

Psychologist
3/4
Material
Foundations Teacher Script

Foundations Teacher Script

A detailed teacher guide for Lesson 1, featuring explicit instructional scripts, CRA strategies, and scaffolding prompts for students struggling with number sense foundations.

NC

Nicole Camp

Psychologist
3/4