Unit 2: Addition and Subtraction Facts Through 10

• Chapter 5: Addition Strategies Through 10
  • Lesson 5.1 Count On to Add
  • Lesson 5.2 Use a Number Line to Add
  • Lesson 5.3 Use Doubles to Add
  • Lesson 5.4 Using Addition Strategies
  • Lesson 5.5 Problem-Solving: Write a Number Sentence
• Chapter 6: Subtraction Strategies Through 10
  • Lesson 6.1 Count Back to Subtract
  • Lesson 6.2 Use a Number Line to Subtract
  • Lesson 6.3 How Many More? How Many Fewer?
  • Lesson 6.4 Relate Addition and Subtraction
  • Lesson 6.5 Fact Families
  • Lesson 6.6 Using Subtraction Strategies
  • Lesson 6.7 Problem-Solving: Choose the Operation