Section A: Add Without Making a Ten

Practice Problems

• Lesson 1 : Add Tens or Ones

• Lesson 2 : How Did You Add?

• Lesson 3 : Add It, Explain It

• Lesson 4 : Center Day 1

Section B: Make a Ten: Add One- and Two-Digit Numbers

Practice Problems

• Lesson 5 : Make a Ten

• Lesson 6 : Make a Ten and Make Sense of Equations

• Lesson 7 : Does it Make a New Ten?

• Lesson 8 : Center Day 2

Section C: Make a Ten: Add Within 100

Practice Problems

• Lesson 9 : Add 2 Two-digit Numbers

• Lesson 10 : Tens and Tens, Ones and Ones

• Lesson 11 : How Did You Do That?

• Lesson 12 : Add it Up

• Lesson 13 : Center Day 3

• Lesson 14 : Food Drive