# Contents

1. 1.1: Number Talk: Size of Dividend and Divisor
2. 1.2: All Stacked Up
1. Are you ready for more?
3. Lesson 1 Summary
4. Lesson 1 Practice Problems
1. 2.1: A Division Expression
1. Are you ready for more?
3. Lesson 2 Summary
4. Lesson 2 Practice Problems
1. 3.1: How Many of These in That?
2. 3.2: Representing Groups of Fractions with Tape Diagrams
3. 3.3: Finding Number of Groups
4. Lesson 3 Summary
5. Lesson 3 Practice Problems
1. 4.1: Estimating a Fraction of a Number
2. 4.2: Fractions of Ropes
3. 4.3: Fractional Batches of Ice Cream
4. Lesson 4 Summary
5. Lesson 4 Practice Problems
1. 5.1: Inventing a Situation
2. 5.2: How Much in One Batch?
1. Are you ready for more?
3. Lesson 5 Summary
4. Lesson 5 Practice Problems
1. 6.1: Number Talk: Greater Than 1 or Less Than 1?
2. 6.2: Two Water Containers
1. Are you ready for more?
3. 6.4: Inventing Another Situation
4. Lesson 6 Summary
5. Lesson 6 Practice Problems
1. 7.1: Multiplying Fractions
1. Are you ready for more?
2. 7.3: Dividing a Fraction by a Fraction
3. Lesson 7 Summary
4. Glossary
5. Lesson 7 Practice Problems
1. 8.1: Number Talk: Dividing by Half as Much
1. Are you ready for more?
2. 8.3: A Train is Traveling at . . .
1. Are you ready for more?
3. Lesson 8 Summary
4. Glossary
5. Lesson 8 Practice Problems
1. 9.1: Number Talk: Multiplication Strategies
1. Are you ready for more?
2. 9.3: How Many Times as Tall or as Far?
3. 9.4: Comparing Paper Rolls
4. Lesson 9 Summary
5. Lesson 9 Practice Problems
1. 10.1: Areas of Squares
2. 10.2: How Many Would it Take? (Part 2)
3. 10.3: Bases and Heights of Triangles
4. Lesson 10 Summary
5. Lesson 10 Practice Problems
1. 11.1: A Box of Cubes
1. Are you ready for more?
2. 11.3: Cubes with Fractional Edge Lengths
1. Are you ready for more?
3. Lesson 11 Summary
4. Lesson 11 Practice Problems
1. 12.1: Operations with Fractions
2. 12.2: Situations with \frac34 and \frac12
3. 12.3: Pairs of Problems
5. Lesson 12 Summary
6. Lesson 12 Practice Problems
1. 13.1: Snacks from the Concession Stand
1. Are you ready for more?
2. Lesson 13 Summary
3. Lesson 13 Practice Problems
1. 14.1: Do the Zeros Matter?
1. Are you ready for more?
1. Are you ready for more?
2. Lesson 14 Summary
3. Lesson 14 Practice Problems
1. 15.1: The Cost of a Photo Print
2. 15.2: Calculating Sums
3. 15.3: Decimals All Around
1. Are you ready for more?
4. Lesson 15 Summary
5. Lesson 15 Practice Problems
1. 16.1: Multiplying by 10
1. Are you ready for more?
2. 16.3: Using Properties to Reason about Multiplication
1. Are you ready for more?
3. Lesson 16 Summary
4. Lesson 16 Practice Problems
1. 17.1: Number Talk: Twenty Times a Number
2. 17.2: Using the Partial Products Method
3. 17.3: Calculating Products of Decimals
1. Are you ready for more?
4. Lesson 17 Summary
5. Lesson 17 Practice Problems
1. 18.1: Using Base-Ten Diagrams to Calculate Quotients
2. 18.2: Using the Partial Quotients Method to Calculate Quotients
3. 18.3: Lin Uses Long Division
4. 18.4: Dividing Whole Numbers
5. Lesson 18 Summary
6. Glossary
7. Lesson 18 Practice Problems
1. 19.1: Keep Dividing
2. 19.2: Using Long Division to Calculate Quotients
1. Are you ready for more?
3. Lesson 19 Summary
4. Lesson 19 Practice Problems
1. 20.1: Number Talk: Dividing by 4
2. 20.2: Dividends and Divisors
1. Are you ready for more?
3. 20.4: Practicing Division with Decimals
4. Lesson 20 Summary
5. Lesson 20 Practice Problems
1. 21.1: Close Estimates
2. 21.2: Applying Division with Decimals
3. 21.3: Distance between Hurdles
4. 21.4: Examining a Tennis Court
5. Lesson 21 Summary
6. Lesson 21 Practice Problems
1. 22.1: Determining Shipping Costs (Part 1)
2. 22.2: Determining Shipping Costs (Part 2)
3. 22.3: Determining Shipping Costs (Part 3)
1. 23.1: Folding Paper Boxes
2. 23.2: Sizing Up Paper Boxes
1. Lesson 1: Size of Divisor and Size of Quotient
2. Lesson 2: Meanings of Division
3. Lesson 3: How Many Groups?
4. Lesson 4: What Fraction of a Group?
5. Lesson 5: How Much in Each Group? (Part 1)
6. Lesson 6: How Much in Each Group? (Part 2)
7. Lesson 7: Finding an Algorithm for Dividing Fractions
8. Lesson 8: Ratios and Rates With Fractions
9. Lesson 9: Fractional Lengths
10. Lesson 10: Rectangles and Triangles with Fractional Lengths
11. Lesson 11: Volume of Prisms
12. Lesson 12: Solving Problems Involving Fractions
13. Lesson 13: Using Decimals in a Shopping Context
14. Lesson 14: Using Diagrams to Represent Addition and Subtraction
15. Lesson 15: Adding and Subtracting Decimals
16. Lesson 16: Methods for Multiplying Decimals
17. Lesson 17: Calculating Products of Decimals
18. Lesson 18: Using Long Division
19. Lesson 19: Dividing Numbers that Result in Decimals
20. Lesson 20: Dividing Decimals by Decimals
21. Lesson 21: Using Operations on Decimals to Solve Problems
22. Lesson 22: Fitting Boxes into Boxes
23. Lesson 23: Making and Measuring Boxes
1. 1.1: Which Diagram is Which?
2. 1.2: Match Equations and Tape Diagrams
1. Are you ready for more?
3. Lesson 1 Summary
4. Lesson 1 Practice Problems
1. 2.1: Three Letters
2. 2.2: Storytime
1. Are you ready for more?
3. Lesson 2 Summary
4. Glossary
5. Lesson 2 Practice Problems
1. 3.1: Hanging Around
2. 3.2: Match Equations and Hangers
1. Are you ready for more?
3. Lesson 3 Summary
4. Lesson 3 Practice Problems
1. 4.1: Number Talk: Subtracting From Five
2. 4.2: Row Game: Solving Equations Practice
1. Are you ready for more?
3. Lesson 4 Summary
4. Lesson 4 Practice Problems
1. 5.1: Recalling Ways of Solving
1. Are you ready for more?
2. 5.3: Storytime Again
3. Lesson 5 Summary
4. Lesson 5 Practice Problems
1. 6.1: Algebra Talk: When x is 6
2. 6.2: Lemonade Sales and Heights
1. Are you ready for more?
3. Lesson 6 Summary
4. Lesson 6 Practice Problems
1. 7.1: Number Talk: Percentages
2. 7.2: Representing a Percentage Problem with an Equation
1. Are you ready for more?
3. Lesson 7 Summary
4. Lesson 7 Practice Problems
1. 8.1: Algebra Talk: Solving Equations by Seeing Structure
2. 8.2: Using Diagrams to Show That Expressions are Equivalent
1. Are you ready for more?
3. Lesson 8 Summary
4. Glossary
5. Lesson 8 Practice Problems
1. 9.1: Number Talk: Ways to Multiply
2. 9.2: Ways to Represent Area of a Rectangle
1. Are you ready for more?
3. Lesson 9 Summary
4. Glossary
5. Lesson 9 Practice Problems
1. 10.1: Possible Areas
2. 10.2: Partitioned Rectangles When Lengths are Unknown
1. Are you ready for more?
3. Lesson 10 Summary
4. Lesson 10 Practice Problems
1. 11.1: Perfect Squares
2. 11.2: Building with 32 Cubes
3. 11.3: Perfect Cubes
1. Are you ready for more?
4. Lesson 11 Summary
5. Glossary
6. Lesson 11 Practice Problems
1. 12.1: Exponent Review
2. 12.2: The Net of a Cube
3. 12.3: Every Cube in the Whole World
4. Lesson 12 Summary
5. Lesson 12 Practice Problems
1. 13.1: Notice and Wonder: Dots and Lines
1. Are you ready for more?
2. 13.3: Make 81
3. Lesson 13 Summary
4. Lesson 13 Practice Problems
1. 14.1: Which One Doesn’t Belong: Twos
2. 14.2: Is the Equation True?
1. Are you ready for more?
3. Lesson 14 Summary
4. Lesson 14 Practice Problems
1. 15.1: Revisiting the Cube
2. 15.2: Calculating Surface Area
1. Are you ready for more?
3. Lesson 15 Summary
4. Lesson 15 Practice Problems
1. 16.1: Up or Down?
2. 16.2: What's the Value?
1. Are you ready for more?
3. Lesson 16 Summary
4. Lesson 16 Practice Problems
1. 17.1: Which One Would You Choose?
1. Are you ready for more?
2. Lesson 17 Summary
3. Glossary
4. Lesson 17 Practice Problems
1. 18.1: Walking to the Library
1. Are you ready for more?
2. Lesson 18 Summary
3. Glossary
4. Lesson 18 Practice Problems
1. 19.1: Matching Equations and Tables
2. 19.2: Getting to Know an Equation
3. 19.3: Sharing Your Equation with Others
1. Lesson 1: Tape Diagrams and Equations
2. Lesson 2: Truth and Equations
3. Lesson 3: Staying in Balance
4. Lesson 4: Practice Solving Equations and Representing Situations with Equations
5. Lesson 5: A New Way to Interpret a over b
6. Lesson 6: Write Expressions Where Letters Stand for Numbers
7. Lesson 7: Revisit Percentages
8. Lesson 8: Equal and Equivalent
9. Lesson 9: The Distributive Property, Part 1
10. Lesson 10: The Distributive Property, Part 2
11. Lesson 11: Squares and Cubes
12. Lesson 12: Surface Area of a Cube
13. Lesson 13: Meaning of Exponents
14. Lesson 14: Expressions with Exponents
15. Lesson 15: Evaluating Expressions with Exponents
16. Lesson 16: Equivalent Exponential Expressions
17. Lesson 17: Two Related Quantities, Part 1
18. Lesson 18: Two Related Quantities, Part 2
19. Lesson 19: Tables, Equations, and Graphs, Oh My!
1. Glossary