- Section A: Fluency Within 20 and Measurement
- Warm-up: Number Talk: Subtract Within 20
- 1.1: Check Yourself
- 1.2: Spin and Find the Missing Number

- Warm-up: True or False: Sums within 20
- 2.1: Heads Up: Make 20

- Warm-up: Notice and Wonder: From Sea to Shining Sea
- 3.1: Measure on the Map
- 3.2: How Much Longer?

- Warm-up: Notice and Wonder: Line Plots
- 4.1: May I Sharpen My Pencil?
- 4.2: A Plot Twist

- Section B: Numbers to 1,000
- Warm-up: What Do You Know About 308?
- 5.1: How Many Did You Get?
- 5.2: Let Me Count the Ways

- Warm-up: True or False: Place Value
- 6.1: Make Equations True
- 6.2: Card Sort: Expressions with Three-digit Values

- Warm-up: Which One Doesn’t Belong: Add and Subtract Within 100
- 7.1: Which Would You Rather Find?
- 7.2: Add and Subtract within 100

- Warm-up: Number Talk: Add by Place
- 8.1: Heads Up, Add and Subtract within 100
- 8.2: Centers: Choice Time

- Section C: Create and Solve Story Problems
- Warm-up: Number Talk: Use Place Value to Subtract
- 9.1: Card Sort: Story Problems
- 9.2: Solve Story Problems

- Warm-up: Notice and Wonder: A Day in the Park
- 10.1: Asked and Answered
- 10.2: What is the Question?

- Warm-up: Number Talk: Addition and Subtraction
- 11.1: Represent Story Problems
- 11.2: Write Stories

- Warm-up: Estimation Exploration: How many People?
- 12.1: What’s the Story?
- 12.2: Make Math Stories

- Warm-up: Number Talk: Make a Ten
- 13.1: Solve Story Problems

- Glossary
- Image Attributions

- Notes
- Notes