Contents

1. Section A: The Value of Three Digits
2. Lesson 1: How Do We Compose a Hundred?
   1. 1.1: How Do We Make a Hundred?
   2. 1.2: Different Ways to See 100
3. Lesson 2: Make Hundreds
   1. 2.1: Make Hundreds
   2. 2.2: How Many Hundreds?
4. Lesson 3: Compose Three-digit Numbers
   1. Warm-up: Number Talk: Add Tens and Ones
   2. 3.1: Sort Blocks by Value
   3. 3.2: The Same But Different
5. Lesson 4: Write Three-digit Numbers
   1. Warm-up: How Many Do You See: Blocks
   2. 4.1: Place Value Riddles
   3. 4.2: Mixed-up Digits
6. Lesson 5: Expanded Form of Numbers
   1. Warm-up: True or False: Value of Digits
   2. 5.1: Expressions and Three-digit Numbers
   3. 5.2: Make It and Expand It
7. Lesson 6: Represent Numbers in Different Ways
   1. Warm-up: Which One Doesn’t Belong: Numbers in Different Ways
   2. 6.1: Numbers as Words
   3. 6.2: Represent the Numbers
   4. Section A Summary
8. Lesson 7: Center Day 1
   1. Warm-up: True or False: Compare to 100
   2. 7.2: Centers: Choice Time
   3. Section A Practice Problems
9. Section B: Compare and Order Numbers within 1,000
10. Lesson 8: Three-digit Numbers on the Number Line
    1. 8.1: Label Three-digit Numbers
    2. 8.2: Represent Three-digit Numbers on a Number Line
11. Lesson 9: Compare Numbers on the Number Line
    1. Warm-up: Estimation Exploration: Hundreds
    2. 9.1: Compare Comparisons
    3. 9.2: Compare in Different Ways
12. Lesson 10: Place Value Comparisons (Part 1)
    1. Warm-up: Number Talk: Add Tens
    2. 10.1: Compare by Place
    3. 10.2: Compare Hundreds, Tens, and Ones
13. Lesson 11: Place Value Comparisons (Part 2)
    1. Warm-up: True or False: Greater Than or Less Than
    2. 11.1: Compare and Explain
14. Lesson 12: Order Numbers
    1. Warm-up: Number Talk: Subtract Tens
    2. 12.1: Who is Out of Order?
    3. 12.2: Order Numbers
    4. Section B Summary
15. Lesson 13: Center Day 2
    1. Warm-up: How Many Do You See: Place Value
    2. 13.2: Centers: Choice Time
16. Lesson 14: Hundreds of Objects
    1. Warm-up: Notice and Wonder: Jar of Beans
    2. 14.1: Cup of Beans
    3. 14.2: Lots of Beans
    4. Section B Practice Problems
17. Glossary
18. Attributions
    1. Image Attributions
19. Notes
20. Notes