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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
Lesson
Expedition Place Value Worksheet
Expedition Place Value Answer Key
Expedition Intro Slides

The 10,000 Expedition

A practice-intensive lesson focused on mastering Indiana standard 3.NS.1, ranging from basic equivalence (At Proficiency) to complex non-standard place value groupings (Above Proficiency). Students will practice 50 problems to build fluency with numbers up to 10,000.

E

Emily.Baker

Other
4/10
Lesson
Garden Tracing Worksheet
Counting Garden Worksheet
Number Match Cards
Garden Count Slides

Garden Numbers

A foundational numeracy lesson for Kindergarten MLL students focusing on numbers 1-5 through tracing, counting, and one-to-one correspondence using a friendly garden theme.

S

SFerguson

Elementary Teacher
4/10
Lesson
Number Detective Slides
Number Detective Facilitation Guide
Missing Number Mission Worksheet
Missing Number Mission Answer Key

Number Detectives

A mysterious kindergarten math lesson where students become 'Number Detectives' to identify missing numbers in sequences up to 10 and 20.

A

Amanda.Hines

Elementary Teacher
4/9
Lesson
Math Power Unit 4 Workbook
Math Power Worksheet
Math Power Section B Worksheet
Math Power Section C Worksheet
Math Power Section D Worksheet

Math Explorers Lesson

A set of activities adapted from a 4th-grade decimals unit to a 2nd-grade place value level, focusing on hundreds, tens, and ones with clear examples for independent work.

N

nmack

Elementary Teacher
4/9
Lesson
Math Mastery Review Worksheet v3
Math Mastery Answer Key

Math Mastery Review

A comprehensive math review lesson focused on place value, number patterns, comparisons, and addition/subtraction strategies for 2nd and 3rd grade students.

DB

Daimyn Badzic

Special Education Teacher
4/9
Lesson
Counting Critters Slides
Ten Frame Trek Worksheet
Counting Coaches Guide
Number Buddy Cards

Number Quest

A foundational lesson on number concepts 1-10 for Kindergarten MLL students, utilizing ten frames and counters within a forest explorer theme. Students will explore numerals, number words, and visual representations through guided practice and hands-on activities.

S

SFerguson

Elementary Teacher
4/9
Lesson
Equal Shares Workbook

Equal Shares Explorers

A series of activities focusing on 2nd-grade partitioning and skip counting concepts, adapted from Imagine IM Grade 4 materials. Students explore halves, thirds, and fourths through visual models and real-world snack scenarios.

N

nmack

Elementary Teacher
4/9
Lesson
Section D Student Worksheets Revised V3

Section D Add and Subtract

Students apply addition and subtraction strategies to three-digit numbers and money amounts. Includes Lessons 18-23.

N

nmack

Elementary Teacher
4/8
Lesson
Section C Student Worksheets Revised V4

Section C Compare and Round

Students locate, compare, and order three-digit numbers on a number line and introduce rounding concepts. Includes Lessons 12-17.

N

nmack

Elementary Teacher
4/8
Lesson
Section B Student Worksheets Revised V4

Section B Place Value

Students investigate place value concepts, representing numbers up to 1,000, and understanding that 10 tens equal 100. Includes Lessons 6-11.

N

nmack

Elementary Teacher
4/8
Lesson
Unit Table of Contents Page
Section A Student Worksheets Revised V8

Section A Numbers to 1000

Students explore three-digit numbers using base-ten blocks, standard form, expanded form, and word form, and compare equivalent representations like 100 and 10 tens. Includes Lessons 1-5.

N

nmack

Elementary Teacher
4/8
Lesson
Cosmic Counting Slides
Star Map Builder Worksheet
Star Map Builder Worksheet Revised
Mission Control Teacher Guide

Cosmic Counting

A lesson designed to help students recognize and build numbers 10 through 20 by connecting visual quantities (ten-frames and groups of stars) to their symbolic representations.

L

lyanka

Math Teacher
4/2
Lesson
Number Quest Assessment
Mastery Log Teacher Sheet

Number Knowledge

A comprehensive set of tools for assessing and tracking a student's ability to identify numbers 1 through 20 in randomized order.

DM

Dawn Millward

Special Education Teacher
4/2
Lesson
Morning Math Munchies Slides
Morning Munchies Teacher Guide
Breakfast Brain Recording Sheet

Morning Math Munchies

A daily spiral review of priority Kindergarten math standards, designed to be visually engaging and accessible for students to view during breakfast or morning routines.

J

jcarter

Assistant Principal
4/1
Lesson
Minus Mini Ten Slides
Minus Mini Ten Worksheet

Minus Mini Ten

Advanced subtraction practice using numbers up to 10. Students master the concept of taking away through visual problems and number line counting.

HC

Heather Cortez

Special Education Teacher
4/1
Lesson
Minus Mini Five Slides
Minus Mini Five Worksheet

Minus Mini Five

Introducing subtraction by 'taking away' items from a group of 5 or less. Visual cross-outs help students see the remaining quantity.

HC

Heather Cortez

Special Education Teacher
4/1
Lesson
Plus Power Ten Slides
Picture Power Addition Worksheet

Plus Power Ten

Expanding addition skills to sums up to 10. Students use a variety of icons and color-coding to solve larger addition problems and use number lines for support.

HC

Heather Cortez

Special Education Teacher
4/1
Lesson
Plus Power Five Slides
Plus Power Five Worksheet

Plus Power Five

Introducing the concept of addition using visual groups and colors for sums up to 5. Students use icons to see how two small groups become one larger group.

HC

Heather Cortez

Special Education Teacher
4/1
Lesson
Number Buddy Cards Printable
Number Buddy Slides

Counting Buddies

A fun introduction to the numbers 1-10 through matching and visual recognition. Students use color-coded cards to connect numerals with sets of objects.

HC

Heather Cortez

Special Education Teacher
4/1
Lesson
Garden Growth Slides
Garden Growth Worksheet
Garden Growth Answer Key
Garden Growth Teacher Guide
Garden Growth Practice Worksheet
Garden Math Manipulatives
Garden Growth Practice Answer Key
Garden Growth Practice Answer Key

Growing Beyond Ten

A math lesson extending addition and subtraction skills to numbers within 15 through garden-themed word problems, focusing on drawing models and writing equations.

A

ahatcher

Special Education Teacher
3/31
Lesson
STAAR Power Slides Presentation
STAAR Mission Worksheet Activity
Math Tool Kit Reference
Success Script Teacher Guide Key

Math Mission Control

A targeted review lesson covering the core domains of the math STAAR assessment: addition/subtraction, geometry, decimals, and multiplication models.

AC

Anabell Cruz

Special Education Teacher
4/10
Lesson
Scout Leader Guide
Number Trail Slides
Jungle Order Worksheet
Jungle Order Key

Number Scouts Ordering

A comprehensive kindergarten lesson on comparing and ordering numbers 1-20 using a fun jungle exploration theme. Students will learn to identify which number is greater or less and arrange numbers in sequential order.

A

Amanda.Hines

Elementary Teacher
4/9
Lesson
Math Scout Checklist Document
Math Scout Assessment Document
Math Scout Key Document

Math Scout Quest

A comprehensive tracking resource for Kindergarten students aiming for advanced NWEA MAP RIT scores in mathematics, covering all key domains.

L

llocascio

Math Teacher
4/9
Lesson
Math Power Unit 4 Workbook
Math Power Worksheet
Math Power Section B Worksheet
Math Power Section C Worksheet
Math Power Section D Worksheet

Math Explorers Lesson

A set of activities adapted from a 4th-grade decimals unit to a 2nd-grade place value level, focusing on hundreds, tens, and ones with clear examples for independent work.

N

nmack

Elementary Teacher
4/9
Lesson
Foundation Checkup Worksheet
Bridge Builder Worksheet
Early Essentials Worksheet
Peak Proficiency Worksheet

Math Readiness Diagnostics

A pair of diagnostic assessments designed to pinpoint gaps in foundational number sense, fractions, and decimals, bridging 3rd-4th grade concepts to 5th grade mastery in preparation for 6th grade math.

V

vierlingc

Other
4/9
Lesson
Math Mastery Review Worksheet v3
Math Mastery Answer Key

Math Mastery Review

A comprehensive math review lesson focused on place value, number patterns, comparisons, and addition/subtraction strategies for 2nd and 3rd grade students.

DB

Daimyn Badzic

Special Education Teacher
4/9
Lesson
Math Mastery Review Packet
Math Mastery Answer Key Teacher Resource

Math Mastery Drills

A comprehensive Kindergarten math review covering skip counting by 2s, comparing quantities, identifying numbers, reading graphs, and number writing practice. This lesson provides repeated practice ('at bats') for core skills to build fluency and confidence.

DB

Daimyn Badzic

Special Education Teacher
4/9
Lesson
Counting Critters Slides
Ten Frame Trek Worksheet
Counting Coaches Guide
Number Buddy Cards

Number Quest

A foundational lesson on number concepts 1-10 for Kindergarten MLL students, utilizing ten frames and counters within a forest explorer theme. Students will explore numerals, number words, and visual representations through guided practice and hands-on activities.

S

SFerguson

Elementary Teacher
4/9
Lesson
Jungle Sums Worksheet
Hungry Gator Worksheet
Count and Cut Cards
Jungle Sight Words Worksheet

Jungle Numbers

A vibrant collection of first-grade math activities set in a lush jungle. Students practice addition, subtraction, number comparison, and counting while developing fine motor cutting skills and reinforcing sight words.

EH

Essie Haler

Counselor
4/9
Lesson
Section D Student Worksheets Revised V3

Section D Add and Subtract

Students apply addition and subtraction strategies to three-digit numbers and money amounts. Includes Lessons 18-23.

N

nmack

Elementary Teacher
4/8
Lesson
Section C Student Worksheets Revised V4

Section C Compare and Round

Students locate, compare, and order three-digit numbers on a number line and introduce rounding concepts. Includes Lessons 12-17.

N

nmack

Elementary Teacher
4/8
Lesson
Section B Student Worksheets Revised V4

Section B Place Value

Students investigate place value concepts, representing numbers up to 1,000, and understanding that 10 tens equal 100. Includes Lessons 6-11.

N

nmack

Elementary Teacher
4/8
Lesson
Unit Table of Contents Page
Section A Student Worksheets Revised V8

Section A Numbers to 1000

Students explore three-digit numbers using base-ten blocks, standard form, expanded form, and word form, and compare equivalent representations like 100 and 10 tens. Includes Lessons 1-5.

N

nmack

Elementary Teacher
4/8
Lesson
Unit Overview Guide
Equal Groups Section A Worksheet
Measurement Section B Worksheet
Measurement Section C Worksheet
Unit 5 Answer Key

Equal Groups Foundation Unit 5

A comprehensive series of 2nd-grade math lessons focusing on building multiplication foundations through equal groups, repeated addition, and arrays, alongside measurement concepts. Includes concrete examples for all activities to support independent teacher delivery.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 26 Adapted Activities Grade 2
Lesson 26 Adapted Activities Grade 2

Decorations and Patterns

Activities focused on creating flower patterns and counting supplies using equal groups.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 25 Adapted Activities Grade 2
Lesson 25 Adapted Activities Grade 2

Reasonable Totals

Activities focused on estimating group totals and comparing different sets of equal groups.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 24 Adapted Activities Grade 2

Combining Groups

Activities focused on multi-step problems that combine groups or subtract from a total.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 23 Adapted Activities Grade 2

Geometry Patterns

Activities focused on finding area by tiling and simple perimeter with small numbers.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 22 Adapted Activities Grade 2

Problem Solving Strategies

Activities focused on solving multi-step word problems using equal groups and skip counting.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 21 Adapted Activities Grade 2
Lesson 21 Adapted Activities Grade 2

Sharing Challenge

Activities focused on solving word problems involving grouping and sharing with remainders.

N

nmack

Elementary Teacher
4/8
Lesson
Garden Tracing Worksheet
Counting Garden Worksheet
Number Match Cards
Garden Count Slides

Garden Numbers

A foundational numeracy lesson for Kindergarten MLL students focusing on numbers 1-5 through tracing, counting, and one-to-one correspondence using a friendly garden theme.

S

SFerguson

Elementary Teacher
4/10
Lesson
Shape Snaps Activity Cards and Guide
Shape Spotter Recording Sheet

Geometry Meets Numeracy

A 5-week instructional plan and a set of 25 activity cards that combine Kindergarten geometry standards with daily numeracy fluency exercises.

K

kthompson

Math Teacher
4/10
Lesson
Timber Totals Worksheet
Timber Totals Answer Key

Timber Totals

This lesson focuses on understanding teen numbers as a group of ten and some extra ones using craft stick bundles as a visual model. Students will practice counting and writing numbers from 10 to 20.

M

Mikala.Wade

Math Teacher
4/10
Lesson
Bird Watchers Lesson Plan
Wire Count Slides
Perch and Paste Activity
Nest Numbers Worksheet
Bird Watchers Answer Key

Bird Watchers

An interactive math lesson for early learners focusing on counting up to 10 and one-to-one correspondence using a charming bird-themed field notebook aesthetic. Students will practice counting birds as they land on wires through modeling, hands-on activities, and independent practice.

M

Mikala.Wade

Math Teacher
4/10
Lesson
Math Power Unit 4 Workbook
Math Power Worksheet
Math Power Section B Worksheet
Math Power Section C Worksheet
Math Power Section D Worksheet

Math Explorers Lesson

A set of activities adapted from a 4th-grade decimals unit to a 2nd-grade place value level, focusing on hundreds, tens, and ones with clear examples for independent work.

N

nmack

Elementary Teacher
4/9
Lesson
Strategy Detective Case 1 Worksheet
Strategy Detective Case 2 Worksheet
Math Mastery Review Answer Key Plus
Strategy Detective Case 3 Worksheet
Strategy Detective Case 4 Worksheet
Math Mastery Review Worksheet Plus Final
Math Mastery Review Worksheet Plus Final
Math Mastery Review Worksheet Plus Final
Math Mastery Review Worksheet Plus Final
Math Mastery Review Worksheet Plus Final
Math Mastery Review Worksheet Plus Final
Math Mastery Review Worksheet Plus Final
Math Mastery Review Worksheet Plus Final
Math Mastery Review Worksheet Plus Final

Math Mastery Review

A comprehensive review packet covering counting sequences, place value, double-digit addition/subtraction with multiples of ten, and error analysis of addition strategies. Each core question type is practiced three times to ensure mastery.

DB

Daimyn Badzic

Special Education Teacher
4/9
Lesson
Math Mastery Review Packet
Math Mastery Answer Key Teacher Resource

Math Mastery Drills

A comprehensive Kindergarten math review covering skip counting by 2s, comparing quantities, identifying numbers, reading graphs, and number writing practice. This lesson provides repeated practice ('at bats') for core skills to build fluency and confidence.

DB

Daimyn Badzic

Special Education Teacher
4/9
Lesson
Counting Critters Slides
Ten Frame Trek Worksheet
Counting Coaches Guide
Number Buddy Cards

Number Quest

A foundational lesson on number concepts 1-10 for Kindergarten MLL students, utilizing ten frames and counters within a forest explorer theme. Students will explore numerals, number words, and visual representations through guided practice and hands-on activities.

S

SFerguson

Elementary Teacher
4/9
Lesson
Number Patterns Unit 1 Workbook v4
Number Patterns Unit 1 Workbook v5
Number Patterns Unit 1 Workbook v6

Number Patterns Unit 1

A comprehensive unit on even/odd numbers, skip counting, and rectangular arrays. Students explore patterns using visual representations and context-based activities.

N

nmack

Elementary Teacher
4/9
Lesson
Jungle Sums Worksheet
Hungry Gator Worksheet
Count and Cut Cards
Jungle Sight Words Worksheet

Jungle Numbers

A vibrant collection of first-grade math activities set in a lush jungle. Students practice addition, subtraction, number comparison, and counting while developing fine motor cutting skills and reinforcing sight words.

EH

Essie Haler

Counselor
4/9
Lesson
Unit Overview Guide
Equal Groups Section A Worksheet
Measurement Section B Worksheet
Measurement Section C Worksheet
Unit 5 Answer Key

Equal Groups Foundation Unit 5

A comprehensive series of 2nd-grade math lessons focusing on building multiplication foundations through equal groups, repeated addition, and arrays, alongside measurement concepts. Includes concrete examples for all activities to support independent teacher delivery.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 26 Adapted Activities Grade 2
Lesson 26 Adapted Activities Grade 2

Decorations and Patterns

Activities focused on creating flower patterns and counting supplies using equal groups.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 25 Adapted Activities Grade 2
Lesson 25 Adapted Activities Grade 2

Reasonable Totals

Activities focused on estimating group totals and comparing different sets of equal groups.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 24 Adapted Activities Grade 2

Combining Groups

Activities focused on multi-step problems that combine groups or subtract from a total.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 23 Adapted Activities Grade 2

Geometry Patterns

Activities focused on finding area by tiling and simple perimeter with small numbers.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 22 Adapted Activities Grade 2

Problem Solving Strategies

Activities focused on solving multi-step word problems using equal groups and skip counting.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 21 Adapted Activities Grade 2
Lesson 21 Adapted Activities Grade 2

Sharing Challenge

Activities focused on solving word problems involving grouping and sharing with remainders.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 20 Adapted Activities Grade 2
Lesson 20 Adapted Activities Grade 2

Party Leftovers

Activities focused on interpreting what leftovers mean in real-world situations.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 19 Adapted Activities Grade 2

Leftover Pieces

Activities focused on identifying leftovers when sharing groups of objects.

N

nmack

Elementary Teacher
4/8
Lesson
Lesson 18 Adapted Activities Grade 2
Lesson 18 Adapted Activities Grade 2

Circle and Share

Activities focused on choosing strategies like circling groups to solve sharing problems.

N

nmack

Elementary Teacher
4/8