Contents

1. Section A: Add and Subtract within 10
2. Lesson 1: Count and Add
   1. Warm-up: What Do You Know About Math?
3. Lesson 2: Explore Expressions and Sums
   1. 2.1: Matching Dot Cards and Expressions
4. Lesson 3: Add 1 or 2
   1. Warm-up: How Many Do You See: Dot Cubes
   2. 3.2: Centers: Choice Time
5. Lesson 4: More Work with 1 and 2
   1. Warm-up: Number Talk: Add 1 or 2
   2. 4.2: Centers: Choice Time
6. Lesson 5: Explore Addition and Subtraction
   1. Warm-up: Number Talk: Subtract 1 or 2
   2. 5.2: Centers: Choice Time
   3. Section A Summary
7. Lesson 6: Center Day 1
   1. Warm-up: Which One Doesn’t Belong: Math Tools
   2. 6.2: Centers: Choice Time
   3. Section A Practice Problems
8. Section B: Show Us Your Data
9. Lesson 7: Sort Math Tools
   1. Warm-up: Notice and Wonder: Math Tools
   2. 7.3: Centers: Choice Time
10. Lesson 8: Sort and Count Shape Cards
    1. Warm-up: Which One Doesn’t Belong: Show Quantities
    2. 8.2: Show Your Sort
11. Lesson 9: What is Your Favorite ______________ ?
    1. Warm-up: How Many Do You See: Dots and More Dots
    2. 9.1: A Class Survey
    3. 9.2: Show Our Class Data
    4. Section B Summary
12. Lesson 10: Center Day 2
    1. 10.2: Centers: Choice Time
    2. Section B Practice Problems
13. Section C: What Does the Data Tell Us?
14. Lesson 11: Class Pet Surveys
    1. Warm-up: Notice and Wonder: Tally Marks
    2. 11.1: Jada’s Class Pet Survey
    3. 11.2: Interpret Data About Class Pets
    4. 11.3: Centers: Choice Time
15. Lesson 12: How Many?
    1. 12.1: Data Represented with Tally Marks
    2. 12.2: Data Represented with Numbers
16. Lesson 13: Questions About Data
    1. Warm-up: Number Talk: Plus or Minus 1 or 2
    2. 13.1: Can You Answer It?
    3. 13.2: Ask Questions
    4. Section C Summary
17. Lesson 14: Center Day 3
    1. Warm-up: Number Talk: Plus or Minus 2
    2. 14.2: Centers: Choice Time
18. Lesson 15: Animals in the Jungle
    1. Warm-up: Notice and Wonder: Wild Animals
    2. 15.1: Collect Survey Data
    3. 15.2: Ask Our Own Questions
    4. 15.3: Share Data
    5. Section C Practice Problems
19. Glossary
20. Attributions
    1. Image Attributions
21. Notes
22. Notes