# Contents

1. Section A: Fluency Within 20 and Measurement
1. Warm-up: Number Talk: Subtract Within 20
2. 1.1: Check Yourself
3. 1.2: Spin and Find the Missing Number
1. Warm-up: True or False: Sums within 20
2. 2.1: Heads Up: Make 20
1. Warm-up: Notice and Wonder: From Sea to Shining Sea
2. 3.1: Measure on the Map
3. 3.2: How Much Longer?
1. Warm-up: Notice and Wonder: Line Plots
2. 4.1: May I Sharpen My Pencil?
3. 4.2: A Plot Twist
2. Section B: Numbers to 1,000
1. Warm-up: What Do You Know About 308?
2. 5.1: How Many Did You Get?
3. 5.2: Let Me Count the Ways
1. Warm-up: True or False: Place Value
2. 6.1: Make Equations True
3. 6.2: Card Sort: Expressions with Three-digit Values
1. Warm-up: Which One Doesn’t Belong: Add and Subtract Within 100
2. 7.1: Which Would You Rather Find?
3. 7.2: Add and Subtract within 100
1. Warm-up: Number Talk: Add by Place
3. 8.2: Centers: Choice Time
3. Section C: Create and Solve Story Problems
1. Warm-up: Number Talk: Use Place Value to Subtract
2. 9.1: Card Sort: Story Problems
3. 9.2: Solve Story Problems
1. Warm-up: Notice and Wonder: A Day in the Park
3. 10.2: What is the Question?
1. Warm-up: Number Talk: Addition and Subtraction
2. 11.1: Represent Story Problems
3. 11.2: Write Stories
1. Warm-up: Estimation Exploration: How many People?
2. 12.1: What’s the Story?
3. 12.2: Make Math Stories
1. Warm-up: Number Talk: Make a Ten
2. 13.1: Solve Story Problems
4. Glossary