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| Chapter 1: Numbers to 10 |
| Lesson 1: Numbers to 10 |
| Lesson 2: The Number 0 |
| Lesson 3: Order Numbers |
| Lesson 4: Compare Numbers |
| Lesson 5: Practice |
| Chapter 2: Number Bonds |
| Lesson 1: Make 6 |
| Lesson 2: Make 7 |
| Lesson 3: Make 8 |
| Lesson 4: Make 9 |
| Lesson 5: Make 10 – Part 1 |
| Lesson 6: Make 10 – Part 2 |
| Lesson 7: Practice |
| Chapter 3: Addition |
| Lesson 1: Addition as Putting Together |
| Lesson 2: Addition as Adding More |
| Lesson 3: Addition with 0 |
| Lesson 4: Addition with Number Bonds |
| Lesson 5: Addition by Counting On |
| Lesson 6: Make Addition Stories |
| Lesson 7: Addition Facts |
| Lesson 8: Practice |
| Chapter 4: Subtraction |
| Lesson 1: Subtraction as Taking Away |
| Lesson 2: Subtraction as Taking Apart |
| Lesson 3: Subtraction by Counting Back |
| Lesson 4: Subtraction with 0 |
| Lesson 5: Make Subtraction Stories |
| Lesson 6: Subtraction with Number Bonds |
| Lesson 7: Addition and Subtraction |
| Lesson 8: Make Addition and Subtraction Story Problems |
| Lesson 9: Subtraction Facts |
| Lesson 10: Practice |
| Chapter 5: Numbers to 20 |
| Lesson 1: Numbers to 20 |
| Lesson 2: Add or Subtract Tens or Ones |
| Lesson 3: Order Numbers to 20 |
| Lesson 4: Compare Numbers to 20 |
| Lesson 5: Addition |
| Lesson 6: Subtraction |
| Lesson 7: Practice |
| Chapter 6: Addition to 20 |
| Lesson 1: Add by Making 10 – Part 1 |
| Lesson 2: Add by Making 10 – Part 2 |
| Lesson 3: Add by Making 10 – Part 3 |
| Lesson 4: Addition Facts to 20 |
| Lesson 5: Practice |
| Chapter 7: Subtraction Within 20 |
| Lesson 1: Subtract from 10 – Part 1 |
| Lesson 2: Subtract from 10 – Part 2 |
| Lesson 3: Subtract the Ones First |
| Lesson 4: Word Problems |
| Lesson 5: Subtraction Facts Within 20 |
| Lesson 6: Practice |
| Chapter 8: Shapes |
| Lesson 1: Solid and Flat Shapes |
| Lesson 2: Grouping Shapes |
| Lesson 3: Making Shapes |
| Lesson 4: Practice |
| Chapter 9: Ordinal Numbers |
| Lesson 1: Naming Positions |
| Lesson 2: Word Problems |
| Lesson 3: Practice |
| Chapter 10: Length |
| Lesson 1: Comparing Lengths Directly |
| Lesson 2: Comparing Lengths Indirectly |
| Lesson 3: Comparing Lengths with Units |
| Lesson 4: Practice |
| Chapter 11: Comparing |
| Lesson 1: Subtraction as Comparison |
| Lesson 2: Making Comparison Subtraction Stories |
| Lesson 3: Picture Graphs |
| Lesson 4: Practice |
| Chapter 12: Numbers to 40 |
| Lesson 1: Numbers to 40 |
| Lesson 2: Tens and Ones |
| Lesson 3: Counting by Tens and Ones |
| Lesson 4: Comparing |
| Lesson 5: Practice |
| Chapter 13: Addition and Subtraction Within 40 |
| Lesson 1: Add Ones |
| Lesson 2: Subtract Ones |
| Lesson 3: Make the Next Ten |
| Lesson 4: Use Addition Facts |
| Lesson 5: Subtract from Tens |
| Lesson 6: Use Subtraction Facts |
| Lesson 7: Add Three Numbers |
| Lesson 8: Practice |
| Chapter 14: Grouping and Sharing |
| Lesson 1: Adding Equal Groups |
| Lesson 2: Sharing |
| Lesson 3: Grouping |
| Lesson 4: Practice |
| Chapter 15: Fractions |
| Lesson 1: Halves |
| Lesson 2: Fourths |
| Lesson 3: Practice |
| Chapter 16: Numbers to 100 |
| Lesson 1: Numbers to 100 |
| Lesson 2: Tens and Ones |
| Lesson 3: Count by Ones or Tens |
| Lesson 4: Compare Numbers to 100 |
| Lesson 5: Practice |
| Chapter 17: Addition and Subtraction Within 100 |
| Lesson 1: Add Ones – Part 1 |
| Lesson 2: Add Tens |
| Lesson 3: Add Ones – Part 2 |
| Lesson 4: Add Tens and Ones – Part 1 |
| Lesson 5: Add Tens and Ones – Part 2 |
| Lesson 6: Subtract Ones – Part 1 |
| Lesson 7: Subtract from Tens |
| Lesson 8: Subtract Ones – Part 2 |
| Lesson 9: Subtract Tens |
| Lesson 10: Subtract Tens and Ones – Part 1 |
| Lesson 11: Subtract Tens and Ones – Part 2 |
| Lesson 12: Practice |
| Chapter 18: Time |
| Lesson 1: Telling Time to the Hour |
| Lesson 2: Telling Time to Half Hour |
| Lesson 3: Telling Time to the Five Minutes |
| Lesson 4: Practice |
| Chapter 19: Money |
| Lesson 1: Coins |
| Lesson 2: Counting Money |
| Lesson 3: Bills |
| Lesson 4: Shopping |
| Lesson 5: Practice |