Contents

1. Section A: Multiplicative Comparison
2. Lesson 1: Times as Many
   1. Warm-up: Notice and Wonder: Compare Cubes
   2. 1.1: Twice as Many
   3. 1.2: Times as Many
   4. 1.3: Make n Times as Many
3. Lesson 2: Interpret Representations of Multiplicative Comparison
   1. Warm-up: How Many Do You See: Times as Many
   2. 2.1: Represent “Times as Many”
   3. 2.2: Diagrams to Solve Multiplicative Comparison Problems
4. Lesson 3: Solve Multiplicative Comparison Problems
   1. Warm-up: Number Talk: Find the Unknown Factor
   2. 3.1: A Book Drive
   3. 3.2: Represent a Missing Amount
5. Lesson 4: Solve Multiplicative Comparison Problems with Large Numbers
   1. Warm-up: Notice and Wonder: Too Many Times More?
   2. 4.1: A New Kind of Diagram
   3. 4.2: Who Read More?
6. Lesson 5: One- and Two-step Comparison Problems
   1. Warm-up: Which One Doesn’t Belong: Something's Missing
   2. 5.1: The Book Fair
   3. 5.2: More Book Fair Purchases
7. Lesson 6: Ten Times as Many
   1. 6.1: Ten Times as Many
   2. 6.2: What Remains the Same?
   3. Section A Summary
   4. Section A Practice Problems
8. Section B: Measurement Conversion
9. Lesson 7: Meters and Centimeters
   1. Warm-up: Notice and Wonder: Big Bug, Little Bug
   2. 7.1: How Long is One Meter?
   3. 7.2: In and Around the School
10. Lesson 8: Meters and Kilometers
    1. Warm-up: Number Talk: Times Hundreds and Thousands
    2. 8.1: How Long is One Kilometer?
    3. 8.2: Meters and Kilometers
11. Lesson 9: Grams and Kilograms, Liters and Milliliters
    1. Warm-up: Which One Doesn’t Belong: Meter, Meter on the Page
    2. 9.1: A Whole Lot of Paper Clips
    3. 9.2: Liters and Milliliters
12. Lesson 10: Multi-step Measurement Problems
    1. Warm-up: Notice and Wonder: Distances Traveled
    2. 10.1: Long Hikes, Short Hikes
    3. 10.2: Big Bottles, Little Bottles
13. Lesson 11: Pounds and Ounces
    1. Warm-up: Notice and Wonder: A Recipe
    2. 11.1: Pounds and Ounces
    3. 11.2: Party Prep
14. Lesson 12: Hours, Minutes, and Seconds
    1. Warm-up: What Do You Know about 1 Hour?
    2. 12.1: Mai’s School Day
    3. 12.2: Precious Minutes and Seconds
15. Lesson 13: Multi-step Measurement Problems with Fractions
    1. Warm-up: True or False: Some Number Times a Fraction
    2. 13.1: Info Gap: Noah’s School Day (Part 1)
    3. 13.2: Info Gap: Noah’s School Day (Part 2)
    4. 13.3: Shopping List
    5. Section B Summary
    6. Section B Practice Problems
16. Section C: Let’s Put it to Work
17. Lesson 14: Weight and Capacity Measurements
    1. Warm-up: Number Talk: Lots of Thousands
    2. 14.1: Milk and Mango Lassi
    3. 14.2: Clay for Art Class
18. Lesson 15: Length Measurements
    1. Warm-up: Which One Doesn’t Belong: Measurements
    2. 15.1: Frisbee Throws
    3. 15.2: Stone Towers
19. Lesson 16: Compare Perimeters of Rectangles
    1. Warm-up: Number Talk: Two and Four Times a Fraction
    2. 16.1: Pipe-cleaner Perimeters
    3. 16.2: Perimeter Predictions
    4. 16.3: Gridded Rectangles
20. Lesson 17: More Perimeter Problems
    1. Warm-up: True or False: Fractions and Whole Numbers
    2. 17.1: Along the Walls in Tiny Steps
    3. 17.2: Missing Measurements
    4. Section C Summary
21. Lesson 18: Two Truths and a Lie
    1. Warm-up: Notice and Wonder: Animal Facts
    2. 18.1: Two Truths and a Lie
    3. 18.2: Gallery Walk: Two Truths and a Lie
    4. Section C Practice Problems
22. Glossary
23. Attributions
    1. Image Attributions
24. Citations
    1. Blackline Masters
25. Notes
26. Notes