Section A: Add and Subtract Within 20

Practice Problems

• 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

Section B: Ways to Represent Data

Practice Problems

• 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

Section C: Diagrams to Compare

Practice Problems

• 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