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1ST gRADE MATH Standards Videos

The ﬁrst unit in every grade, the Math Is…Unit, aims to help students and teachers see math as problem-solving strategies rather than just computation. There are no replay videos for this unit.

Unit 2: NUmber Patterns

Lesson 2-1: Counting Patterns to 100

Lesson 2-2: Patterns on a Number Chart to 120

Lesson 2-3: Patterns When Skip Counting by 5s

Lesson 2-4: Patterns on a Number Line

Lesson 2-5: Patterns When Reading & Writing Numbers

Lesson 2-6: Patterns When Representing Objects in a Group

Unit 2 (Spanish): NUmber Patterns

Lesson 2-1: Counting Patterns to 100

Lesson 2-2: Patterns on a Number Chart to 120

Lesson 2-3: (Video Not Available)

Lesson 2-4: Patterns on a Number Line

Lesson 2-5: Patterns When Reading & Writing Numbers

Lesson 2-6: Patterns When Representing Objects in a Group

Unit 3: Place Value

Lesson 3-1: Numbers 11 to 19

Lesson 3-2: Understand Tens

Lesson 3-3: Represent Tens and Ones

Lesson 3-4: Represent 2-Digit Numbers

Lesson 3-5: Represent 2-Digit Numbers in Different Ways

Lesson 3-6: Compare Numbers

Lesson 3-7: Compare Numbers on a Number Line

Lesson 3-8: Use Symbols to Compare Numbers

Unit 3 (spanish): Place Value

Lesson 3-1: Numbers 11 to 19

Lesson 3-2: Understand Tens

Lesson 3-3: Represent Tens and Ones

Lesson 3-4: Represent 2-Digit Numbers

Lesson 3-5: Represent 2-Digit Numbers in Different Ways

Lesson 3-6: Compare Numbers

Lesson 3-7: Compare Numbers on a Number Line

Lesson 3-8: Use Symbols to Compare Numbers

Unit 4: Addition within 20: Facts & Strategies

Lesson 4-1: Relate Counting to Addition

Lesson 4-2: Count On to Add

Lesson 4-3: Doubles

Lesson 4-4: Near Doubles

Lesson 4-5: Make a 10 to Add

Lesson 4-6: Choose Strategies to Add

Lesson 4-7: Use Properties to Add

Lesson 4-8: Add Three Numbers

Lesson 4-9: Find an Unknown Number in an Addition Equation

Lesson 4-10: Understand the Equal Sign

Lesson 4-11: True Addition Equations

Unit 4 (Spanish): Addition within 20: Facts & Strategies

Lesson 4-1: Relate Counting to Addition

Lesson 4-2: Count On to Add

Lesson 4-3: Doubles

Lesson 4-4: Near Doubles

Lesson 4-5: Make a 10 to Add

Lesson 4-6: Choose Strategies to Add

Lesson 4-7: Use Properties to Add

Lesson 4-8: Add Three Numbers

Lesson 4-9: Find an Unknown Number in an Addition Equation

Lesson 4-10: Understand the Equal Sign

Lesson 4-11: True Addition Equations

Unit 5: Subtraction within 20: Facts & Strategies

Lesson 5-1: Relate Counting to Subtraction

Lesson 5-2: Count Back to Subtract

Lesson 5-3: Count On to Subtract

Lesson 5-4: Make a 10 to Subtract

Lesson 5-5: Use Near Doubles to Subtract

Lesson 5-6: Use Addition to Subtract

Lesson 5-7: Use Fact Families to Subtract

Lesson 5-8: Find an Unknown in a Subtraction Equation

Lesson 5-9: True Subtraction Equations

Unit 5 (Spanish): Subtraction within 20: Facts & Strategies

Lesson 5-1: Relate Counting to Subtraction

Lesson 5-2: Count Back to Subtract

Lesson 5-3: Count On to Subtract

Lesson 5-4: Make a 10 to Subtract

Lesson 5-5: Use Near Doubles to Subtract

Lesson 5-6: Use Addition to Subtract

Lesson 5-7: Use Fact Families to Subtract

Lesson 5-8: Find an Unknown in a Subtraction Equation

Lesson 5-9: True Subtraction Equations

Unit 6: Shapes and Solids

Lesson 6-1: Understand Defining Attributes of Shapes

Lesson 6-2: Understand Non-Defining Attributes

Lesson 6-3: Compose Shapes

Lesson 6-4: Build New Shapes

Lesson 6-5: Understand Attributes of Solids

Lesson 6-6: Build New Solids

Unit 6 (Spanish): Shapes and Solids

Lesson 6-1: Understand Defining Attributes of Shapes

Lesson 6-2: Understand Non-Defining Attributes

Lesson 6-3: Compose Shapes

Lesson 6-4: Build New Shapes

Lesson 6-5: Understand Attributes of Solids

Lesson 6-6: Build New Solids

Unit 7: Meanings of Addition

Lesson 7-1: Represent and Solve Add To Problems

Lesson 7-2: Represent and Solve More Add To Problems

Lesson 7-3: Represent and Solve Put Together Problems

Lesson 7-4: Represent and Solve More Put Together Problems

Lesson 7-5: Represent and Solve Addition Problems with Three Addends

Lesson 7-6: Solve Addition Problems

Unit 7 (Spanish): Meanings of Addition

Lesson 7-1: Represent and Solve Add To Problems

Lesson 7-2: Represent and Solve More Add To Problems

Lesson 7-3: Represent and Solve Put Together Problems

Lesson 7-4: Represent and Solve More Put Together Problems

Lesson 7-5: Represent and Solve Addition Problems with Three Addends

Lesson 7-6: Solve Addition Problems

Unit 8: Meanings of Subtraction

Lesson 8-1: Represent and Solve Take From Problems

Lesson 8-2: Represent and Solve More Take From Problems

Lesson 8-3: Represent and Solve Take Apart Problems

Lesson 8-4: Represent and Solve More Take Apart Problems

Lesson 8-5: Solve Problems Involving Subtraction

Lesson 8-6: Solve More Problems Involving Subtraction

Lesson 8-7: Solve Problems Involving Addition and Subtraction

Unit 8 (Spanish): Meanings of Subtraction

Lesson 8-1: Represent and Solve Take From Problems

Lesson 8-2: Represent and Solve More Take From Problems

Lesson 8-3: Represent and Solve Take Apart Problems

Lesson 8-4: Represent and Solve More Take Apart Problems

Lesson 8-5: Solve Problems Involving Subtraction

Lesson 8-6: Solve More Problems Involving Subtraction

Lesson 8-7: Solve Problems Involving Addition and Subtraction

Unit 9: Addition within 100

Lesson 9-1: Use Mental Math to Find 10 More

Lesson 9-2: Represent Adding Tens

Lesson 9-3: Represent Adding Tens and Ones

Lesson 9-4: Decompose Addends to Add

Lesson 9-5: Use an Open Number Line to Add within 100

Lesson 9-6: Decompose to Add on an Open Number Line

Lesson 9-7: Regroup to Add

Lesson 9-8: Add 2-Digit Numbers

Unit 9 (Spanish): Addition within 100

Lesson 9-1: Use Mental Math to Find 10 More

Lesson 9-2: Represent Adding Tens

Lesson 9-3: Represent Adding Tens and Ones

Lesson 9-4: Decompose Addends to Add

Lesson 9-5: Use an Open Number Line to Add within 100

Lesson 9-6: Decompose to Add on an Open Number Line

Lesson 9-7: Regroup to Add

Lesson 9-8: Add 2-Digit Numbers

Unit 10: Compare Using Addition & Subtraction

Lesson 10-1: Represent and Solve Compare Problems

Lesson 10-2: Represent and Solve Compare Problems Using Addition

Lesson 10-3: Represent and Solve More Compare Problems

Lesson 10-4: Solve Compare Problems Using Addition and Subtraction

Unit 10 (Spanish): Compare Using Addition & Subtraction

Lesson 10-1: Represent and Solve Compare Problems

Lesson 10-2: Represent and Solve Compare Problems Using Addition

Lesson 10-3: Represent and Solve More Compare Problems

Lesson 10-4: Solve Compare Problems Using Addition and Subtraction

Unit 11: Subtraction Within 100

Lesson 11-1: Use Mental Math to Find 10 Less

Lesson 11-2: Represent Subtracting Tens

Lesson 11-3: Subtract Tens

Lesson 11-4: Use Addition to Subtract Tens

Lesson 11-5: Explain Subtraction Strategies

Unit 11 (Spanish): Subtraction Within 100

Lesson 11-1: Use Mental Math to Find 10 Less

Lesson 11-2: Represent Subtracting Tens

Lesson 11-3: Subtract Tens

Lesson 11-4: Use Addition to Subtract Tens

Lesson 11-5: Explain Subtraction Strategies

Unit 12: Measurement & Data

Lesson 12-1: Compare and Order Lengths

Lesson 12-2: More Ways to Compare Lengths

Lesson 12-3: Strategies to Measure Lengths

Lesson 12-4: More Strategies to Measure Lengths

Lesson 12-5: Tell Time to the Hour

Lesson 12-6: Tell Time to the Half Hour

Lesson 12-7: Organize Data

Lesson 12-8: Represent Data

Lesson 12-9: Interpret Data

Lesson 12-10: Solve Problems Involving Data

Lesson 12-11: Identify Value of Coins

Unit 12 (Spanish): Measurement & Data

Lesson 12-1: Compare and Order Lengths

Lesson 12-2: More Ways to Compare Lengths

Lesson 12-3: Strategies to Measure Lengths

Lesson 12-4: More Strategies to Measure Lengths

Lesson 12-5: Tell Time to the Hour

Lesson 12-6: Tell Time to the Half Hour

Lesson 12-7: Organize Data

Lesson 12-8: Represent Data

Lesson 12-9: Interpret Data

Lesson 12-10: Solve Problems Involving Data

Lesson 12-11: Identify Value of Coins (Video Not Available)

Unit 13: Equal Shares

Lesson 13-1: Understand Equal Groups

Lesson 13-2: Partition Shapes into Halves

Lesson 13-3: Partition Shapes into Fourths

Lesson 13-4: Describe the Whole

Lesson 13-5: Describe Halves and Fourths of Shapes

Unit 13 (Spanish): Equal Shares

Lesson 13-1: Understand Equal Groups

Lesson 13-2: Partition Shapes into Halves

Lesson 13-3: Partition Shapes into Fourths

Lesson 13-4: Describe the Whole

Lesson 13-5: Describe Halves and Fourths of Shapes

1ST GRADE MATH Curriculum Guide

FINAL_1st Grade Curriculum Guide_2025-2026

1ST GRADE MATH STANDARDS

math 1.pdf

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