Contents

1. Section A: Multi-digit Multiplication Using the Standard Algorithm
2. Lesson 1: Estimate and Find Products
   1. Warm-up: Number Talk: A Multiple of 10
   2. 1.1: Reasonable Estimates
   3. 1.2: Multiply by 18
3. Lesson 2: Partial Products in Diagrams
   1. Warm-up: Which One Doesn't Belong: Diagrams to Find Products
   2. 2.1: Decompose in Many Ways
   3. 2.2: Calculate in Many Ways
4. Lesson 3: Partial Products in Algorithms
   1. Warm-up: Which One Doesn't Belong: Multiplying Large Numbers
   2. 3.1: Partial Products Everywhere
   3. 3.2: Record Partial Products
5. Lesson 4: Standard Algorithm: One-digit and Multi-digit Numbers with Composing
   1. Warm-up: Number Talk: Partial Product
   2. 4.1: Compose with the Standard Algorithm
   3. 4.2: Use the Standard Algorithm
6. Lesson 5: Standard Algorithm: Multi-digit Numbers without Composing
   1. Warm-up: Number Talk: Partial Products
   2. 5.1: Compare Two Algorithms
   3. 5.2: Use the Standard Algorithm
7. Lesson 6: Standard Algorithm: Multi-digit Numbers with Composing
   1. Warm-up: Number Talk: Three Factors
   2. 6.1: Compose a New Unit
   3. 6.2: All the Products
8. Lesson 7: Build Multiplication Fluency
   1. Warm-up: Notice and Wonder: Same Solution
   2. 7.1: Greatest Product
   3. 7.2: Desperately Seeking 9 New Units
9. Lesson 8: Multiplication Fluency
   1. Warm-up: Number Talk: The Distributive Property
   2. 8.1: Fluency Practice Choice Time
   3. 8.2: Targeted Products
10. Lesson 9: The Birds
    1. Warm-up: Notice and Wonder: For the Birds
    2. 9.1: Home is Where the Bird Lives
    3. 9.2: What is the Volume?
    4. Section A Summary
    5. Section A Practice Problems
11. Section B: Multi-digit Division Using Partial Quotients
12. Lesson 10: World’s Record Folk Dance
    1. Warm-up: How Many Do You See: World Record Event
    2. 10.1: How Many Groups of 8 Dancers?
    3. 10.2: More Groups of Dancers
13. Lesson 11: Different Partial Quotients
    1. Warm-up: Notice and Wonder: Ways to Record
    2. 11.1: Division Expressions
    3. 11.2: Choose Your Own Partial Quotients
14. Lesson 12: An Algorithm Using Partial Quotients
    1. Warm-up: Notice and Wonder: Incomplete Solution
    2. 12.1: Elena’s Work
    3. 12.2: Complete the Solution
15. Lesson 13: Divide Using Partial Quotients
    1. Warm-up: Number Talk: Divide
    2. 13.1: Compare Solutions
    3. 13.2: Estimate and Solve
16. Lesson 14: Practice an Algorithm Using Partial Quotients
    1. Warm-up: Which One Doesn’t Belong: Different Ways
    2. 14.1: Find the Mistake
    3. 14.2: Practice Problems
17. Lesson 15: Find Missing Side Lengths
    1. Warm-up: Estimation Exploration: The Garden
    2. 15.1: Find the Missing Side Length, Part 1
    3. 15.2: Find the Missing Side Length, Part 2
    4. Section B Summary
18. Lesson 16: World’s Record Noodle Soup
    1. Warm-up: Notice and Wonder: World Record Event
    2. 16.1: How Many Feet in One Serving?
    3. 16.2: Han's Estimate
19. Lesson 17: Fractions as Partial Quotients
    1. Warm-up: What Do You Know About \frac{60}{6} + \frac{6}{6} ?
    2. 17.1: Select Expressions
    3. 17.2: Choose One Expression
    4. Section B Practice Problems
20. Section C: Let’s Put it to Work
21. Lesson 18: Lots of Milk
    1. Warm-up: Estimation Exploration: How Big is the Milk Carton?
    2. 18.1: Milk for Everyone
    3. 18.2: How Big is 1,000,000?
22. Lesson 19: Trash Talk
    1. Warm-up: Notice and Wonder: Trash and Ice
    2. 19.1: Square Kilometers
    3. 19.2: So Much Trash
23. Lesson 20: Shipping Trash
    1. Warm-up: Number Talk: Three Factors
    2. 20.1: What a Waste
    3. 20.2: Plastic Palooza
24. Lesson 21: Food Waste Journal
    1. Warm-up: Notice and Wonder: Food Waste
    2. 21.1: Food Waste in the United States
    3. 21.2: Food Journal
    4. 21.3: Analyze Food Journals
    5. Section C Practice Problems
25. Glossary
26. Attributions
    1. Image Attributions
27. Citations
28. Notes
29. Notes