Section A: Add and Subtract

Practice Problems

• 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 : Patterns on Addition Charts

Section B: Decompose to Subtract

Practice Problems

• Lesson 6 : Subtract Your Way

• Lesson 7 : Compare Methods for Subtraction

• Lesson 8 : Subtract Two Digits

• Lesson 9 : Different Ways to Decompose

• Lesson 10 : Add and Subtract Within 100

• Lesson 11 : Center Day 2

Section C: Represent and Solve Story Problems

Practice Problems

• Lesson 12 : How Do You Solve Story Problems?

• Lesson 13 : Story Problems and Diagrams

• Lesson 14 : Story Problems and Equations

• Lesson 15 : Solve It Your Way

• Lesson 16 : Center Day 3

• Lesson 17 : Our Market’s Inventory