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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
Monster Munch Cards

Monster Munch Cards

A set of colorful printable cards featuring hungry monsters, snack groups with numbers, and math symbols for hands-on addition practice.

Lenny Avatar
Lenny
3/9
Material
Monster Menu Worksheet

Monster Menu Worksheet

A student-facing worksheet where they practice adding groups of fruits and cookies, featuring space for drawing the total and writing numerical sentences.

Lenny Avatar
Lenny
3/9
Material
Teacher Munching Guide

Teacher Munching Guide

A comprehensive teacher facilitation guide providing activity instructions, pacing, discussion prompts, and differentiation strategies for the Monster Munch lesson.

Lenny Avatar
Lenny
3/9
Material
Monster Munch Slides

Monster Munch Slides

An interactive slide deck introducing the concept of addition through a "Hungry Monsters" theme, featuring visual counting, introduction to symbols, and a quick quiz.

Lenny Avatar
Lenny
3/9
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
Number Lab Flashcards

Number Lab Flashcards

An expanded laboratory-themed set of flashcards for the numbers one through four, featuring numerals, words, and scientific icons across two pages.

JD

Juno Davis

Math Teacher
2/22
Material
Number Detective Certificate

Number Detective Certificate

A fun, printable completion certificate for students who successfully identify all numbers during the activity. Themed as an official 'Krusty Krab' degree.

JK

Jonda Krontz

Special Education Teacher
2/17
Material
Bubble Pop Worksheet

Bubble Pop Worksheet

A student worksheet where they color in 'bubbles' containing numbers 1-10 as they identify them during the presentation. Includes a tracing practice area.

JK

Jonda Krontz

Special Education Teacher
2/17
Material
Bikini Bottom Teacher Guide

Bikini Bottom Teacher Guide

A comprehensive teacher guide for the Bikini Bottom Number Hunt lesson, including pacing, discussion prompts, and common misconceptions for early number identification.

JK

Jonda Krontz

Special Education Teacher
2/17
Material
Bikini Bottom Numbers Slides

Bikini Bottom Numbers Slides

A SpongeBob-themed slide presentation featuring numbers 1-10 in a randomized order. Each slide presents a single large numeral with high-contrast drop shadows and playful Bikini Bottom motifs.

JK

Jonda Krontz

Special Education Teacher
2/17
Material
Number Formation Teacher Guide

Number Formation Teacher Guide

Instructional guide for teachers with verbal cues, troubleshooting for reversals, and differentiation strategies for teaching number formation.

V

victoria.lesniak

Special Education Teacher
1/23
Material
Number Path Slides

Number Path Slides

Classroom presentation slides for teaching number formation and recognition for 1-20 with air-writing prompts.

V

victoria.lesniak

Special Education Teacher
1/23
Material
Number Trace 16 to 20 Worksheet

Number Trace 16 to 20 Worksheet

Tracing worksheet for numbers 16 to 20 with garden-themed counting visuals and large tracing paths.

V

victoria.lesniak

Special Education Teacher
1/23
Material
Number Trace 11 to 15 Worksheet

Number Trace 11 to 15 Worksheet

Tracing worksheet for numbers 11 to 15 with space-themed counting visuals and large tracing paths.

V

victoria.lesniak

Special Education Teacher
1/23
Material
Number Trace 6 to 10 Worksheet

Number Trace 6 to 10 Worksheet

Tracing worksheet for numbers 6 to 10 with large digits, starting dots, and counting visuals.

V

victoria.lesniak

Special Education Teacher
1/23
Material
Number Trace 1 to 5 Worksheet

Number Trace 1 to 5 Worksheet

Updated tracing worksheet for numbers 1 to 5 with clearer tracing paths, starting dots, and counting visuals.

V

victoria.lesniak

Special Education Teacher
1/23
Material
Day 2 Worksheet

Day 2 Worksheet

A second student worksheet for Day 2 of the Snack Showdown lesson. It features 6 new food comparison sets across two pages for double-sided printing, focusing on counting up to 13 and identifying 'more' and 'least'.

V

victoria.lesniak

Special Education Teacher
3/13
Material
Snack Showdown Answer Key

Snack Showdown Answer Key

A clear answer key for the Snack Showdown Worksheet, providing the correct counts and comparison marks for all 6 practice sets. Includes facilitation tips for teachers.

V

victoria.lesniak

Special Education Teacher
3/13
Material
Snack Showdown Worksheet

Snack Showdown Worksheet

An expanded student worksheet for comparing quantities. It features 6 food comparisons (across 2 pages for double-sided printing) where students count up to 13 items and identify 'more' and 'least'.

V

victoria.lesniak

Special Education Teacher
3/13
Material
Market Math Slides

Market Math Slides

An engaging slide deck designed to introduce the concepts of 'more' and 'less' through a 'Snack Showdown' theme. It includes clear visual comparisons, explicit modeling (I Do) steps, and a guided practice (We Do) slide for student participation.

V

victoria.lesniak

Special Education Teacher
3/13
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
Picnic Vocabulary Cards

Picnic Vocabulary Cards

Visual vocabulary cards for "Same", "More", "Fewer", and "Compare" designed for Pre-K students to use during centers and guided play.

Lenny Avatar
Lenny
1/19
Material
Garden Dot Cards

Garden Dot Cards

Large-format dot cards for classroom comparison activities, helping students visualize and compare numbers 1-7.

Lenny Avatar
Lenny
1/19
Material
Garden Cutouts Sheet

Garden Cutouts Sheet

A page of printable butterfly and flower counters to be cut out and used with the Garden Counting Mat.

Lenny Avatar
Lenny
1/19
Material
Picnic Match Worksheet

Picnic Match Worksheet

A fun, picnic-themed worksheet for Pre-K students to practice one-to-one correspondence by matching ants to crumbs and plates to apples.

Lenny Avatar
Lenny
1/19
Material
Garden Counting Mat

Garden Counting Mat

A garden-themed counting mat with dedicated rows for butterflies and flowers, designed for students to practice one-to-one correspondence up to 5 (or 10 with two mats).

Lenny Avatar
Lenny
1/19
Material
Picnic Partners Presentation Slides

Picnic Partners Presentation Slides

A vibrant and engaging picnic-themed presentation for Pre-K students to learn one-to-one correspondence and identifying equal sets.

Lenny Avatar
Lenny
1/19
Material
Garden Counting Slides

Garden Counting Slides

A bright, garden-themed presentation for Pre-K and Kindergarten students covering 'same', 'more', and 'fewer' with the lesson's video embedded.

Lenny Avatar
Lenny
1/19
Material
Garden Facilitation Guide

Garden Facilitation Guide

A comprehensive teacher facilitation guide for the garden-themed counting lesson, featuring warm-up ideas, video pause points, and differentiation strategies.

Lenny Avatar
Lenny
1/19
Material
Picnic Partners Teacher Guide

Picnic Partners Teacher Guide

A comprehensive teacher facilitation guide for the Picnic Partners lesson, including step-by-step procedures, discussion prompts, and extension activities.

Lenny Avatar
Lenny
1/19
Material
Cube Ranger Answer Key

Cube Ranger Answer Key

An answer key for the Cube Ranger worksheet, showing the expected number of cubes for each animal and identifying the longest animal. It also includes verification questions for a classroom debrief.

Lenny Avatar
Lenny
1/19
Material
Reptile Length Slides

Reptile Length Slides

Visual presentation slides for the Reptile Length Lab lesson. It includes a hook slide, the embedded instructional video, measurement 'Golden Rules', activity instructions, and a closure discussion prompt.

Lenny Avatar
Lenny
1/19
Material
Cube Ranger Worksheet

Cube Ranger Worksheet

A student worksheet where they use physical connecting cubes to measure the length of a lizard, snake, and crocodile. It includes a clear 'start line' for alignment and spaces to record measurements and identify the longest animal.

Lenny Avatar
Lenny
1/19
Material
Snack Shack Teacher Guide

Snack Shack Teacher Guide

A detailed instructional guide for teachers and aides. Includes preparation steps, learning objectives, and three distinct activity ideas ranging from matching games to concrete counting with ten-frames.

J

Jennifer

Special Education Teacher
3/14
Material
Counting Cafe Mats

Counting Cafe Mats

Large interactive mats designed for hands-on counting. Students place a number card in the 'Monster Order' window and then use physical manipulatives (buttons, blocks, or snacks) to fill the tray or ten-frames, reinforcing quantities up to 20.

J

Jennifer

Special Education Teacher
3/14
Material
Monster Munchies Matching Cards

Monster Munchies Matching Cards

A complete set of 20 matching card pairs featuring hungry monsters and trays of snacks. Students cut out the cards and match numerals 1-20 with the corresponding quantities of treats to practice one-to-one correspondence.

J

Jennifer

Special Education Teacher
3/14
Material
Day 2 Worksheet

Day 2 Worksheet

A second student worksheet for Day 2 of the Snack Showdown lesson. It features 6 new food comparison sets across two pages for double-sided printing, focusing on counting up to 13 and identifying 'more' and 'least'.

V

victoria.lesniak

Special Education Teacher
3/13
Material
Snack Showdown Answer Key

Snack Showdown Answer Key

A clear answer key for the Snack Showdown Worksheet, providing the correct counts and comparison marks for all 6 practice sets. Includes facilitation tips for teachers.

V

victoria.lesniak

Special Education Teacher
3/13
Material
Snack Showdown Worksheet

Snack Showdown Worksheet

An expanded student worksheet for comparing quantities. It features 6 food comparisons (across 2 pages for double-sided printing) where students count up to 13 items and identify 'more' and 'least'.

V

victoria.lesniak

Special Education Teacher
3/13
Material
Market Math Slides

Market Math Slides

An engaging slide deck designed to introduce the concepts of 'more' and 'less' through a 'Snack Showdown' theme. It includes clear visual comparisons, explicit modeling (I Do) steps, and a guided practice (We Do) slide for student participation.

V

victoria.lesniak

Special Education Teacher
3/13
Material
Countdown Answer Key

Countdown Answer Key

An answer key for the Countdown Challenge Worksheet, providing clear solutions for all five mission rows and a reference for the full 10-1 sequence.

V

victoria.lesniak

Special Education Teacher
3/12
Material
Blast Off Slides Expanded

Blast Off Slides Expanded

An enhanced presentation for counting backwards 10-1, featuring progressive challenge slides (missing numbers), a high-energy "Blast Off" celebration slide, and a clear transition to independent worksheet practice.

V

victoria.lesniak

Special Education Teacher
3/12
Material
Countdown Challenge Worksheet

Countdown Challenge Worksheet

A space-themed tracing worksheet for students to practice counting backwards from 10 to 1. It includes a full tracing sequence followed by five 'Mission' rows where students must identify and fill in one missing number in the countdown.

V

victoria.lesniak

Special Education Teacher
3/12
Material
Addition Adventure Printable Mat

Addition Adventure Printable Mat

A perfectly fitted 8.5x11 single-sheet addition mat. It features red and blue input boxes, designated work areas for physical manipulatives, and a large 10-frame at the bottom for visual counting. Designed for non-readers with clear iconographic steps.

TL

Tanya Larson

Other
3/10
Material
Addition Adventure Printable Mat

Addition Adventure Printable Mat

A perfectly fitted 8.5x11 single-sheet addition mat. It features red and blue input boxes, designated work areas for physical manipulatives, and a large 10-frame at the bottom for visual counting. Designed for non-readers with clear iconographic steps.

TL

Tanya Larson

Other
3/10
Material
Addition Adventure Mat Final

Addition Adventure Mat Final

The finalized single-sheet addition mat, optimized for a perfect 8.5x11 printable page. It features red and blue number boxes, designated staging areas for manipulatives, and a large ten frame with ghosted numbers to guide students in finding totals up to 10.

TL

Tanya Larson

Other
3/10
Material
Addition Adventure Mat Final

Addition Adventure Mat Final

A color-coded addition mat precisely optimized for an 8x10 print area. It features high-contrast work zones for two addends, transitional staging areas, and a bold ten-frame for final counting.

TL

Tanya Larson

Other
3/10
Material
Addition Adventure Counters Printable

Addition Adventure Counters Printable

A set of printable, color-coded circular counters and numbered stars designed to be used with the Addition Adventure Mat. Includes red and blue sets for addends and emerald result tiles for identifying the total. Optimized for 8.5x11 printing.

TL

Tanya Larson

Other
3/10
Material
Addition Adventure Mat Final

Addition Adventure Mat Final

The finalized single-sheet addition mat, optimized for an 8.5x11 printable page. It features red and blue number boxes, designated staging areas for manipulatives, and a large ten frame with ghosted numbers to guide students in finding totals up to 10.

TL

Tanya Larson

Other
3/10
Material
Addition Adventure Guide Final

Addition Adventure Guide Final

A professional facilitation guide for the Addition Adventure mat. It provides clear, non-reader-focused steps for educators, including the 'Put, Slide, Total' methodology and tactile differentiation tips. Optimized for 8.5x11 printing.

TL

Tanya Larson

Other
3/10
Material
Addition Adventure Printable Mat

Addition Adventure Printable Mat

A precisely sized 8.5x11 addition mat for non-readers. It features color-coded input boxes, dashed staging areas for physical counters, and a large ten frame at the bottom for visual reinforcement of sums up to 10.

TL

Tanya Larson

Other
3/10
Material
Addition Adventure Mat Final

Addition Adventure Mat Final

The finalized single-sheet addition mat, optimized for an 8.5x11 printable page. It features red and blue number boxes, designated staging areas for manipulatives, and a large ten frame with ghosted numbers to guide students in finding totals up to 10.

TL

Tanya Larson

Other
3/10
Material
Addition Adventure Mat Final

Addition Adventure Mat Final

An optimized, single-page addition mat designed for non-readers. It features clear red and blue staging areas, number input boxes, and a large ten frame at the bottom for visual counting, all fitted perfectly to a standard 8.5x11 printable format.

TL

Tanya Larson

Other
3/10