Contents

1. Section A: Multiply and Divide Whole Numbers
2. Lesson 1: Find the Largest Product
   1. Warm-up: Notice and Wonder: Digits
   2. 1.1: Talk About it
   3. 1.2: More Digits
3. Lesson 2: More Multiplication
   1. Warm-up: Estimation Exploration: Large Product
   2. 2.1: Kiran’s Work
   3. 2.2: Zero the Hero
4. Lesson 3: Factors as a Factor in Our Strategy Choice
   1. Warm-up: Number Talk: Increasing Factors
   2. 3.1: Choose a Multiplication Strategy
   3. 3.2: Compare Strategies
5. Lesson 4: Dive Back Into Division
   1. Warm-up: Notice and Wonder: Blank Spaces
   2. 4.1: Reasonable Estimates
   3. 4.2: Missing Dividends and Divisors
6. Lesson 5: More Division
   1. Warm-up: Estimation Exploration: Large Quotient
   2. 5.1: Elena’s Work
   3. 5.2: Partial Quotients Practice
   4. Section A Summary
7. Section B: Apply Volume Concepts
8. Lesson 6: Revisit Volume
   1. Warm-up: Estimation Exploration: Sugar Cubes
   2. 6.1: 126 Cubes
   3. 6.2: Colossal Structures Old and New
9. Lesson 7: Estimating the Volume of the World’s Largest Wagon
   1. Warm-up: Notice and Wonder: Radio Flyer
   2. 7.1: Anatomy of an Estimate
   3. 7.2: Estimating the Size of the Radio Flyer
10. Lesson 8: Filling up the World's Largest Wagon
    1. Warm-up: Notice and Wonder: Toy Boxes
    2. 8.1: Sand Wagon
    3. 8.2: More Boxes
11. Lesson 9: Problem Solving with Volume: Water
    1. Warm-up: Notice and Wonder: Cubic Centimeters and Grams
    2. 9.1: Catching Rainfall
    3. 9.2: How Much Water?
    4. Section B Summary
12. Section C: Fraction and Decimal Operations
13. Lesson 10: Here Comes the Sum
    1. Warm-up: Number Talk: Adding Fractions
    2. 10.1: Greatest Sum
    3. 10.2: Smallest Sum
14. Lesson 11: What’s the Difference?
    1. Warm-up: Number Talk: Subtracting Fractions
    2. 11.1: Greatest Difference
    3. 11.2: What is the Smallest Difference?
15. Lesson 12: Decimal Game Day
    1. Warm-up: True or False: Adding Decimals
    2. 12.1: Race to One or One Tenth
    3. 12.2: Decimal Race to 500
16. Lesson 13: Multiply Fractions Game Day
    1. Warm-up: Number Talk: Multiply One Third
    2. 13.1: Fraction Multiplication Compare
    3. 13.2: Fraction Multiplication Compare Round 2
    4. Section C Summary
17. Section D: Creation and Design
18. Lesson 14: Notice and Wonder
    1. Warm-up: Notice and Wonder: Sharing Bread
    2. 14.1: Design Your Notice and Wonder
    3. 14.2: Facilitate Your Notice and Wonder
    4. 14.3: Design Your Notice and Wonder, Part 2
19. Lesson 15: Estimation Exploration
    1. Warm-up: Estimation Exploration: Umbrellas
    2. 15.1: Design Your Estimation Exploration
    3. 15.2: Facilitate Your Estimation Exploration
20. Lesson 16: Number Talk
    1. Warm-up: Number Talk: Division
    2. 16.1: Number Talk: Design 1
    3. 16.2: Number Talk: Design 2
    4. 16.3: Number Talk: Design 3
21. Lesson 17: True or False?
    1. Warm-up: True or False: Fraction Addition
    2. 17.1: True or False: Design 1
    3. 17.2: Design 2
    4. 17.3: Design 3
22. Lesson 18: Which One Doesn’t Belong?
    1. Warm-up: Which One Doesn’t Belong? Volume
    2. 18.1: Which One Doesn't Belong? Design 1
    3. 18.2: Which One Doesn't Belong? Design 2
    4. 18.3: Which One Doesn't Belong? Design 3
23. Glossary
24. Attributions
    1. Image Attributions
25. Notes
26. Notes