Contents

1. Section A: Count to Add and Subtract
2. Lesson 1: Count 2 Groups of Objects
   1. Warm-up: Which One Doesn’t Belong: Groups
   2. 1.1: Put Together Pattern Blocks
   3. 1.2: Put Together Connecting Cubes
   4. 1.3: Centers: Choice Time
3. Lesson 2: Count 2 Groups of Images
   1. 2.1: Put Together Dots on 5-Frames
   2. 2.2: How Many Apples?
   3. 2.3: Introduce Roll and Add, Dots
4. Lesson 3: Count 2 Groups of Scattered Images
   1. 3.1: Count Organized and Scattered Images
   2. 3.2: Count Scattered Images
   3. 3.3: Centers: Choice Time
5. Lesson 4: Add with Objects
   1. 4.1: Add Counters
   2. 4.2: Introduce 5-Frames, Add
   3. 4.3: Centers: Choice Time
6. Lesson 5: Subtract with Objects
   1. Warm-up: How Many Do You See: Subtraction
   2. 5.1: Subtract Counters
   3. 5.2: Introduce 5-Frames, Subtract
   4. 5.3: Centers: Choice Time
   5. Section A Summary
   6. Section A Practice Problems
7. Section B: Represent and Solve Story Problems
8. Lesson 6: Tell and Act Out Stories
   1. Warm-up: How Many Do You See: Add To
   2. 6.1: What is Happening?
   3. 6.2: Act Out a Story
   4. 6.3: Introduce Subtraction Towers, Objects
9. Lesson 7: Use Objects to Represent Stories
   1. Warm-up: Notice and Wonder: Balls and Counters
   2. 7.1: Playing on the Playground
   3. 7.2: Finish the Story
   4. 7.3: Introduce Math Stories, Act It Out
10. Lesson 8: Represent and Solve Story Problems
    1. Warm-up: Act It Out: Birds in a Fountain
    2. 8.1: Questionless Story Problems
    3. 8.2: From a Story to a Story Problem
    4. 8.3: Centers: Choice Time
11. Lesson 9: Solve Story Problems
    1. Warm-up: How Many Do You See: Finger Addition
    2. 9.1: Markers at School
    3. 9.2: Balls at Recess
    4. 9.3: Introduce Math Fingers, Add 2 Hands
12. Lesson 10: Compare Drawings
    1. 10.1: Apple Slices for a Picnic
    2. 10.2: Compare Drawings
    3. 10.3: Introduce Bingo, Add and Cover
13. Lesson 11: Drawings to Represent Story Problems
    1. Warm-up: Which One Doesn’t Belong: Butterflies
    2. 11.1: Draw a Picture
    3. 11.3: Centers: Choice Time
14. Lesson 12: Compare Addition and Subtraction Story Problems
    1. 12.1: Ducks in the Pond
    2. 12.2: Ducks Swim Ashore
    3. 12.3: Centers: Choice Time
    4. Section B Summary
15. Lesson 13: Create Story Problems
    1. 13.1: Create a Story Problem
    2. 13.2: Switch the Operation
    3. 13.3: Revisit Math Stories, Act It Out
    4. Section B Practice Problems
16. Section C: Addition and Subtraction Expressions
17. Lesson 14: Expressions and Story Problems
    1. 14.1: Expression for a Story Problem
    2. 14.2: Which Expression?
    3. 14.3: Centers: Choice Time
18. Lesson 15: Expressions and Drawings
    1. Warm-up: Notice and Wonder: Shapes and Numbers
    2. 15.1: Match Drawings to Expressions
    3. 15.2: Create Expressions and Drawings
    4. 15.3: Introduce Shake and Spill, Represent
19. Lesson 16: Find the Value of Expressions
    1. Warm-up: What Do You Know About 3+2 ?
    2. 16.2: Find the Value of Expressions
    3. 16.3: Centers: Choice Time
20. Lesson 17: Add 0 and 1
    1. Warm-up: Notice and Wonder: Add 1 More
    2. 17.1: Add 0 and 1
    3. 17.2: Notice + 0 and + 1 Patterns
    4. 17.3: Introduce Find the Value of Expressions, Color the Total or Difference
    5. Section C Summary
21. Lesson 18: Tell Story Problems for Expressions
    1. 18.1: Tell a Story Problem to Match an Expression
    2. 18.2: Story Problem and Expression Gallery Walk
    3. 18.3: Centers: Choice Time
    4. Section C Practice Problems
22. Glossary
23. Attributions
    1. Image Attributions
24. Notes
25. Notes