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| Unit 1: Adding, Subtracting, and Working with Data |
| Lesson 1: Add and Subtract Within 10 |
| Lesson 2: Relate Addition and Subtraction within 10 |
| Lesson 3: Relate Addition and Subtraction within 20 |
| Lesson 4: Add and Subtract Your Way |
| Lesson 5: Add Within 50 |
| Lesson 6: Center Day 1 |
| Lesson 7: Collect and Represent Data |
| Lesson 8: Interpret Picture Graphs |
| Lesson 9: Interpret Bar Graphs |
| Lesson 10: Represent Data Using Picture Graphs and Bar Graphs |
| Lesson 11: Questions About Data |
| Lesson 12: Center Day 2 |
| Lesson 13: Use Bar Graphs to Compare |
| Lesson 14: Use Diagrams to Compare |
| Lesson 15: Diagrams with All Kinds of Compare Problems |
| Lesson 16: Solve All Kinds of Compare Problems |
| Lesson 17: Center Day 3 |
| Lesson 18: Class Surveys |
| Unit 2: Adding and Subtracting within 100 |
| Lesson 1: Add and Subtract to Compare |
| Lesson 2: Find the Unknown Addend |
| Lesson 3: Add or Subtract to Solve Story Problems |
| Lesson 4: Center Day 1 |
| Lesson 5: Subtract Your Way |
| Lesson 6: Compare Methods for Subtraction |
| Lesson 7: Subtract Two Digits |
| Lesson 8: Different Ways to Decompose |
| Lesson 9: Add and Subtract Within 100 |
| Lesson 10: Center Day 2 |
| Lesson 11: How Do You Solve Story Problems? |
| Lesson 12: Story Problems and Diagrams |
| Lesson 13: Story Problems and Equations |
| Lesson 14: Solve It Your Way |
| Lesson 15: Center Day 3 |
| Lesson 16: Our Market’s Inventory |
| Unit 3: Measuring Length |
| Lesson 1: Standard Units of Measure |
| Lesson 2: Measure in Centimeters |
| Lesson 3: Create and Use a Ruler |
| Lesson 4: Measure and Estimate in Centimeters |
| Lesson 5: Measure in Meters |
| Lesson 6: Compare Reptile Lengths in Story Problems |
| Lesson 7: Center Day 1 |
| Lesson 8: What is an Inch? |
| Lesson 9: From Feet to Inches |
| Lesson 10: Measure with a Torn Tape |
| Lesson 11: Saree Silk Stories: Necklaces and Bracelets |
| Lesson 12: Saree Silk Stories: Friendship Bracelets |
| Lesson 13: Center Day 2 |
| Lesson 14: What is a Line Plot? |
| Lesson 15: Create Line Plots |
| Lesson 16: Interpret Measurement Data |
| Lesson 17: Center Day 3 |
| Lesson 18: Make a Yard Stick |
| Unit 4: Addition and Subtraction on the Number Line |
| Lesson 1: Whole Numbers on the Number Line |
| Lesson 2: Features of a Number Line |
| Lesson 3: Unlabeled Tick Marks |
| Lesson 4: Compare Numbers on a Number Line |
| Lesson 5: Estimate on a Number Line |
| Lesson 6: Center Day 1 |
| Lesson 7: Addition and Subtraction on the Number Line |
| Lesson 8: Equations on a Number Line |
| Lesson 9: The Difference Between Numbers |
| Lesson 10: Place Value and the Number Line |
| Lesson 11: Different Ways to Add and Subtract |
| Lesson 12: Equations with Unknowns |
| Lesson 13: Represent Story Problems |
| Lesson 14: Center Day 2 |
| Lesson 15: Riddles |
| Unit 5: Numbers to 1,000 |
| Lesson 1: How Do We Compose a Hundred? |
| Lesson 2: Make Hundreds |
| Lesson 3: Compose Three-digit Numbers |
| Lesson 4: Write Three-digit Numbers |
| Lesson 5: Expanded Form of Numbers |
| Lesson 6: Represent Numbers in Different Ways |
| Lesson 7: Center Day 1 |
| Lesson 8: Three-digit Numbers on the Number Line |
| Lesson 9: Compare Numbers on the Number Line |
| Lesson 10: Place Value Comparisons (Part 1) |
| Lesson 11: Place Value Comparisons (Part 2) |
| Lesson 12: Order Numbers |
| Lesson 13: Center Day 2 |
| Lesson 14: Hundreds of Objects |
| Unit 6: Geometry, Time, and Money |
| Lesson 1: Identify and Sort Shapes |
| Lesson 2: Draw Shapes |
| Lesson 3: Specific Side Lengths |
| Lesson 4: Solid Shapes |
| Lesson 5: Center Day 1 |
| Lesson 6: Compose and Decompose Shapes |
| Lesson 7: Make Halves, Thirds, and Fourths |
| Lesson 8: Are All Pieces Created Equal? |
| Lesson 9: You Ate the Whole Thing |
| Lesson 10: Center Day 2 |
| Lesson 11: Tell Time with Halves and Quarters |
| Lesson 12: Count by 5 to Tell Time |
| Lesson 13: Is it a.m. or p.m.? |
| Lesson 14: Center Day 3 |
| Lesson 15: Identify Pennies, Nickels, and Dimes |
| Lesson 16: Identify Quarters |
| Lesson 17: Let’s Make a Dollar |
| Lesson 18: Money Problems |
| Lesson 19: More Money Problems |
| Lesson 20: Center Day 4 |
| Lesson 21: Pattern Block Puzzles |
| Unit 7: Adding and Subtracting within 1,000 |
| Lesson 1: Compare, Count on, and Count Back |
| Lesson 2: Add and Subtract with Tens and Hundreds |
| Lesson 3: Count on or Count Back to Subtract |
| Lesson 4: Add and Subtract Three-Digit Numbers in Different Ways |
| Lesson 5: Center Day 1 |
| Lesson 6: Use a Ten to Add Within 1,000 |
| Lesson 7: Compose a Larger Unit |
| Lesson 8: Compose Tens and Hundreds to Add |
| Lesson 9: Add Three-digit Numbers |
| Lesson 10: Add within 1,000 |
| Lesson 11: Center Day 2 |
| Lesson 12: Decompose to Subtract |
| Lesson 13: Decompose Tens or Hundreds |
| Lesson 14: Think Before You Subtract |
| Lesson 15: Decompose a Ten and a Hundred to Subtract |
| Lesson 16: Subtract Within 1,000 |
| Lesson 17: Center Day 3 |
| Lesson 18: Paint Splattered Bar Graph |
| Unit 8: Equal Groups |
| Lesson 1: Can You Share? |
| Lesson 2: Partners Make Pairs |
| Lesson 3: Is it Odd or Even? |
| Lesson 4: Decompose Even and Odd Numbers |
| Lesson 5: Patterns with Even and Odd Numbers |
| Lesson 6: Center Day 1 |
| Lesson 7: What is an Array? |
| Lesson 8: Count Columns and Objects in Columns |
| Lesson 9: A Sum of Equal Addends |
| Lesson 10: Write Expressions and Equations to Represent Arrays |
| Lesson 11: Arrays and Rectangles |
| Lesson 12: Partition Rectangles into Squares |
| Lesson 13: Center Day 2 |
| Unit 9: Putting It All Together |
| Lesson 1: Sums and Differences Within 20 |
| Lesson 2: Fluency Flip |
| Lesson 3: Measure on a Map |
| Lesson 4: Measure and Plot |
| Lesson 5: Compose and Decompose Numbers Within 1,000 |
| Lesson 6: Represent Numbers with Expressions |
| Lesson 7: Add and Subtract Within 1,000 |
| Lesson 8: Add and Subtract Within 100 |
| Lesson 9: Sort the Story Problems |
| Lesson 10: What’s the Question? |
| Lesson 11: All About Tape Diagrams |
| Lesson 12: What’s the Story? |
| Lesson 13: Let’s Solve Our Story Problems |