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| Unit 1: Math Is… |
| Lesson 1-1: Math Is Mine |
| Lesson 1-2: Math Is Exploring and Thinking |
| Lesson 1-3: Math Is In My World |
| Lesson 1-4: Math Is Explaining and Sharing |
| Lesson 1-5: Math Is Finding Patterns |
| Lesson 1-6: Math Is Ours |
| Unit 2: Place Value to 1,000 |
| Lesson 2-1: Understand Hundreds |
| Lesson 2-2: Understand 3-Digit Numbers |
| Lesson 2-3: Read and Write Numbers to 1,000 |
| Lesson 2-4: Decompose 3-Digit Numbers |
| Lesson 2-5: Compare 3-Digit Numbers |
| Unit 3: Patterns within Numbers |
| Lesson 3-1: Counting Patterns |
| Lesson 3-2: Patterns When Skip Counting by 5s |
| Lesson 3-3: Patterns When Skip Counting by 10s and 100s |
| Lesson 3-4: Understanding Even and Odd Numbers |
| Lesson 3-5: Addition Patterns |
| Lesson 3-6: Patterns with Arrays |
| Lesson 3-7: Use Arrays to Add |
| Unit 4: Meanings of Addition and Subtraction |
| Unit 5: Strategies to Fluently Add within 100 |
| Lesson 5-1: Strategies to Add Fluently within 20 |
| Lesson 5-2: More Strategies to Add Fluently within 20 |
| Lesson 5-3: Represent Addition with 2-Digit Numbers |
| Lesson 5-4: Use Properties to Add |
| Lesson 5-5: Decompose Two Addends to Add |
| Lesson 5-6: Use a Number Line to Add |
| Lesson 5-7: Decompose One Addend to Add |
| Lesson 5-8: Adjust Addends to Add |
| Lesson 5-9: Add More Than Two Numbers |
| Lesson 5-10: Solve One- and Two-Step Problems Using Addition |
| Unit 6: Strategies to Fluently Subtract within 100 |
| Lesson 6-1: Strategies to Subtract Fluently within 20 |
| Lesson 6-2: More Strategies to Subtract Fluently within 20 |
| Lesson 6-3: Represent Subtraction with 2-Digit Numbers |
| Lesson 6-4: Represent 2-Digit Subtraction with Regrouping |
| Lesson 6-5: Use a Number Line to Subtract |
| Lesson 6-6: Decompose Numbers to Subtract |
| Lesson 6-7: Adjust Numbers to Subtract |
| Lesson 6-8: Relate Addition and Subtraction |
| Lesson 6-9: Solve One-Step Problems Using Subtraction |
| Lesson 6-10: Solve Two-Step Problems Using Subtraction |
| Unit 7: Measure and Compare Lengths |
| Lesson 7-1: Measure Length with Inches |
| Lesson 7-2: Measure Length with Feet and Yards |
| Lesson 7-3: Compare Lengths Using Customary Units |
| Lesson 7-4: Relate Inches, Feet, and Yards |
| Lesson 7-5: Estimate Length Using Customary Units |
| Lesson 7-6: Measure Length with Centimeters and Meters |
| Lesson 7-7: Compare Lengths Using Metric Units |
| Lesson 7-8: Relate Centimeters and Meters |
| Lesson 7-9: Estimate Length Using Metric Units |
| Lesson 7-10: Solve Problems Involving Length |
| Lesson 7-11: Solve More Problems Involving Length |
| Unit 8: Measurement: Money and Time |
| Lesson 8-1: Understand the Value of Coins |
| Lesson 8-2: Solve Money Problems Involving Coins |
| Lesson 8-3: Solve Money Problems Involving Dollar Bills and Coins |
| Lesson 8-4: Tell Time to the Nearest Five Minutes |
| Lesson 8-5: Be Precise When Telling Time |
| Unit 9: Stategies to Add 3-Digit Numbers |
| Lesson 9-1: Use Mental Math to Add 10 or 100 |
| Lesson 9-2: Represent Addition with 3-Digit Numbers |
| Lesson 9-3: Represent Addition with 3-Digit Numbers with Regrouping |
| Lesson 9-4: Decompose Addends to Add 3-Digit Numbers |
| Lesson 9-5: Decompose One Addend to Add 3-Digit Numbers |
| Lesson 9-6: Adjust Addends to Add 3-Digit Numbers |
| Lesson 9-7: Explain Addition Strategies |
| Unit 10: Strategies to Subtract 3-Digit Numbers |
| Lesson 10-1: Use Mental Math to Subtract 10 or 100 |
| Lesson 10-2: Represent Subtraction with 3-Digit Numbers |
| Lesson 10-3: Decompose One 3-Digit Number to Count Back |
| Lesson 10-4: Count On to Subtract 3-Digit Numbers |
| Lesson 10-5: Regroup Tens |
| Lesson 10-6: Regroup Tens and Hundreds |
| Lesson 10-7: Adjust Numbers to Subtract 3-Digit Numbers |
| Lesson 10-8: Explain Subtraction Strategies |
| Lesson 10-9: Solve Problems Involving Addition and Subtraction |
| Unit 11: Data Analysis |
| Lesson 11-1: Understand Picture Graphs |
| Lesson 11-2: Understand Bar Graphs |
| Lesson 11-3: Solve Problems Using Bar Graphs |
| Lesson 11-4: Collect Measurement Data |
| Lesson 11-5: Understand Line Plots |
| Lesson 11-6: Show Data in a Line Plot |
| Unit 12: Geometric Shapes and Equal Shares |
| Lesson 12-1: Recognize 2-Dimensional Shapes by Their Attributes |
| Lesson 12-2: Draw 2-Dimensional Shapes from Their Attributes |
| Lesson 12-3: Recognize 3-Dimensional Shapes by Their Attributes |
| Lesson 12-4: Understand Equal Shares |
| Lesson 12-5: Relate Equal Shares |
| Lesson 12-6: Partition a Rectangle into Rows and Columns |