Section A: Count to Add and Subtract

Practice Problems

• Lesson 1 : Count 2 Groups of Objects

• Lesson 2 : Count 2 Groups of Images

• Lesson 3 : Count 2 Groups of Scattered Images

• Lesson 4 : Add with Objects

• Lesson 5 : Subtract with Objects

Section B: Represent and Solve Story Problems

Practice Problems

• Lesson 6 : Tell and Act Out Stories

• Lesson 7 : Use Objects to Represent Stories

• Lesson 8 : Represent and Solve Story Problems

• Lesson 9 : Solve Story Problems

• Lesson 10 : Compare Drawings

• Lesson 11 : Drawings to Represent Story Problems

• Lesson 12 : Compare Addition and Subtraction Story Problems

• Lesson 13 : Create Story Problems

Section C: Addition and Subtraction Expressions

Practice Problems

• Lesson 14 : Expressions and Story Problems

• Lesson 15 : Expressions and Drawings

• Lesson 16 : Find the Value of Expressions

• Lesson 17 : Add 0 and 1

• Lesson 18 : Tell Story Problems for Expressions