Contents

1. Section A: From Direct to Indirect Comparisons
2. Lesson 1: Compare Lengths
   1. Warm-up: Notice and Wonder: Pencils
   2. 1.1: Is it Longer or Shorter?
   3. 1.2: Order Objects
   4. 1.3: Centers: Choice Time
3. Lesson 2: Compare the Length of Objects Indirectly
   1. Warm-up: Number Talk: Add within 100
   2. 2.1: Which is Longer? Which is Shorter?
   3. 2.2: Measure Your Desk
4. Lesson 3: Choose Objects to Compare Length Indirectly
   1. Warm-up: Notice and Wonder: More Pencils
   2. 3.1: Mai and Clare Walk to School
   3. 3.2: Will It Fit?
5. Lesson 4: Center Day 1
   1. Warm-up: Number Talk: Use Tens to Add
   2. 4.2: Centers: Choice Time
   3. Section A Practice Problems
6. Section B: Measure by Iterating up to 120 Length Units
7. Lesson 5: Measure with Connecting Cubes
   1. Warm-up: Notice and Wonder: Measure a Pencil
   2. 5.3: Centers: Choice Time
8. Lesson 6: Measure with Paper Clips
   1. Warm-up: Estimation Exploration: Length of the Desk
   2. 6.2: Measure Our Workbook
   3. 6.3: Measure Strips of Tape
9. Lesson 7: Measure Length with Different Length Units
   1. Warm-up: Notice and Wonder: Large Cubes and Small Cubes
   2. 7.1: Measure With Different Objects
   3. 7.2: Measure the Teacher’s Shoe
10. Lesson 8: Groups Up to 110
    1. 8.1: Long Lengths with Small Cubes
    2. 8.2: Representations of Large Numbers
11. Lesson 9: Write Numbers to 120
    1. 9.1: Measure Animal Lengths
    2. 9.2: Write Numbers to Represent Animal Lengths
12. Lesson 10: Center Day 2
    1. Warm-up: True or False: Adding within 100
    2. 10.2: Centers: Choice Time
    3. Section B Practice Problems
13. Section C: All Kinds of Story Problems
14. Lesson 11: How Long Are Our Shoes?
    1. Warm-up: Notice and Wonder: Length of a Shoe
    2. 11.1: The Length of Our Shoes
    3. 11.2: Shoe Stories
15. Lesson 12: Compare Measurements
    1. Warm-up: Notice and Wonder: 6, 8, and 14
    2. 12.1: Friendship Bracelets
    3. 12.2: Same Bracelets, Different Story
16. Lesson 13: Solve Take From Story Problems
    1. Warm-up: Number Talk: Add 2 Two-digit Numbers
    2. 13.1: How Many to Start?
    3. 13.2: One Representation, Three Stories
17. Lesson 14: Which Equation Matches?
    1. Warm-up: Which One Doesn’t Belong: Equations
    2. 14.2: Stories and Equations
18. Lesson 15: Write Equations for Story Problems
    1. Warm-up: Estimation Exploration: Paper Cranes
    2. 15.1: Story Problems about Origami
    3. 15.2: Gallery Walk: Write Equations
    4. Section C Summary
19. Lesson 16: Center Day 3
    1. Warm-up: Number Talk: Add 20 and 1
    2. 16.2: Centers: Choice Time
20. Lesson 17: Puppies and Tulips
    1. Warm-up: Notice and Wonder: Puppies and Tulips
    2. 17.1: Puppy and Tulip Stories
    3. 17.2: Act it Out
    4. Section C Practice Problems
21. Glossary
22. Attributions
    1. Image Attributions
23. Citations
24. Notes
25. Notes
26. Section A: From Direct to Indirect Comparisons
27. Lesson 1: Compare Lengths
    1. Warm-up: Notice and Wonder: Pencils
    2. 1.1: Is it Longer or Shorter?
    3. 1.2: Order Objects
    4. 1.3: Centers: Choice Time
28. Lesson 2: Compare the Length of Objects Indirectly
    1. Warm-up: Number Talk: Add within 100
    2. 2.1: Which is Longer? Which is Shorter?
    3. 2.2: Measure Your Desk
29. Lesson 3: Choose Objects to Compare Length Indirectly
    1. Warm-up: Notice and Wonder: More Pencils
    2. 3.1: Mai and Clare Walk to School
    3. 3.2: Will It Fit?
30. Lesson 4: Center Day 1
    1. Warm-up: Number Talk: Use Tens to Add
    2. 4.2: Centers: Choice Time
    3. Section A Practice Problems
31. Section B: Measure by Iterating up to 120 Length Units
32. Lesson 5: Measure with Connecting Cubes
    1. Warm-up: Notice and Wonder: Measure a Pencil
    2. 5.3: Centers: Choice Time
33. Lesson 6: Measure with Paper Clips
    1. Warm-up: Estimation Exploration: Length of the Desk
    2. 6.2: Measure Our Workbook
    3. 6.3: Measure Strips of Tape
34. Lesson 7: Measure Length with Different Length Units
    1. Warm-up: Notice and Wonder: Large Cubes and Small Cubes
    2. 7.1: Measure With Different Objects
    3. 7.2: Measure the Teacher’s Shoe
35. Lesson 8: Groups Up to 110
    1. 8.1: Long Lengths with Small Cubes
    2. 8.2: Representations of Large Numbers
36. Lesson 9: Write Numbers to 120
    1. 9.1: Measure Animal Lengths
    2. 9.2: Write Numbers to Represent Animal Lengths
37. Lesson 10: Center Day 2
    1. Warm-up: True or False: Adding within 100
    2. 10.2: Centers: Choice Time
    3. Section B Practice Problems
38. Section C: All Kinds of Story Problems
39. Lesson 11: How Long Are Our Shoes?
    1. Warm-up: Notice and Wonder: Length of a Shoe
    2. 11.1: The Length of Our Shoes
    3. 11.2: Shoe Stories
40. Lesson 12: Compare Measurements
    1. Warm-up: Notice and Wonder: 6, 8, and 14
    2. 12.1: Friendship Bracelets
    3. 12.2: Same Bracelets, Different Story
41. Lesson 13: Solve Take From Story Problems
    1. Warm-up: Number Talk: Add 2 Two-digit Numbers
    2. 13.1: How Many to Start?
    3. 13.2: One Representation, Three Stories
42. Lesson 14: Which Equation Matches?
    1. Warm-up: Which One Doesn’t Belong: Equations
    2. 14.2: Stories and Equations
43. Lesson 15: Write Equations for Story Problems
    1. Warm-up: Estimation Exploration: Paper Cranes
    2. 15.1: Story Problems about Origami
    3. 15.2: Gallery Walk: Write Equations
    4. Section C Summary
44. Lesson 16: Center Day 3
    1. Warm-up: Number Talk: Add 20 and 1
    2. 16.2: Centers: Choice Time
45. Lesson 17: Puppies and Tulips
    1. Warm-up: Notice and Wonder: Puppies and Tulips
    2. 17.1: Puppy and Tulip Stories
    3. 17.2: Act it Out
    4. Section C Practice Problems
46. Glossary
47. Attributions
    1. Image Attributions
48. Citations
49. Notes
50. Notes