# Contents

1. 1.1: Number Talk: Division
2. 1.2: Feeding a Crowd, Revisited
1. Are you ready for more?
4. Lesson 1 Summary
5. Glossary
6. Lesson 1 Practice Problems
1. 2.1: Missing Figures
1. Are you ready for more?
2. 2.3: Filling a Water Cooler
3. 2.4: Feeding Shrimp
4. Lesson 2 Summary
5. Glossary
6. Lesson 2 Practice Problems
1. 3.1: Number Talk: Quotients with Decimal Points
2. 3.2: Concert Ticket Sales
1. Are you ready for more?
3. Lesson 3 Summary
4. Lesson 3 Practice Problems
1. Are you ready for more?
2. 4.3: Running Laps
3. Lesson 4 Summary
4. Lesson 4 Practice Problems
1. 5.1: Notice and Wonder: Patterns with Rectangles
2. 5.2: More Conversions
1. Are you ready for more?
3. 5.4: All Kinds of Equations
4. Lesson 5 Summary
5. Lesson 5 Practice Problems
1. 6.1: What Do You Want to Know?
2. 6.2: Info Gap: Biking and Rain
1. Are you ready for more?
3. Lesson 6 Summary
4. Lesson 6 Practice Problems
1. 7.1: Notice These Points
2. 7.2: T-shirts for Sale
1. Are you ready for more?
3. Lesson 7 Summary
4. Glossary
5. Lesson 7 Practice Problems
1. 8.1: Number Talk: Fraction Multiplication and Division
1. Are you ready for more?
2. 8.3: Space Rocks and the Price of Rope
3. Lesson 8 Summary
4. Lesson 8 Practice Problems
1. 9.1: True or False: Fractions and Decimals
1. Are you ready for more?
2. 9.3: Hot Dog Eating Contest
3. Lesson 9 Summary
4. Lesson 9 Practice Problems
1. 10.1: Estimating a Percentage
2. 10.2: Perimeter of a Square
1. Are you ready for more?
3. Lesson 10 Summary
4. Lesson 10 Practice Problems
1. 11.1: How Do You Figure?
1. Are you ready for more?
2. 11.3: Measuring Circles
3. 11.4: Drawing Circles
4. Lesson 11 Summary
5. Glossary
6. Lesson 11 Practice Problems
1. 12.1: Which Is Greater?
2. 12.2: Measuring Circumference and Diameter
1. Are you ready for more?
3. Lesson 12 Summary
4. Glossary
5. Lesson 12 Practice Problems
1. 13.1: What Do We Know? What Can We Estimate?
2. 13.2: Using \pi
1. Are you ready for more?
3. 13.4: Measuring a Picture Frame
4. Lesson 13 Summary
5. Lesson 13 Practice Problems
1. 14.1: Mental Calculations
2. 14.2: House Floorplan
1. Are you ready for more?
3. Lesson 14 Summary
4. Lesson 14 Practice Problems
1. 15.1: Irrigating a Field
1. Are you ready for more?
2. 15.3: Making a Polygon out of a Circle
3. 15.4: Making Another Polygon out of a Circle
4. Lesson 15 Summary
5. Lesson 15 Practice Problems
1. 16.1: Still Irrigating the Field
1. Are you ready for more?
2. 16.3: The Running Track Revisited
3. Lesson 16 Summary
4. Lesson 16 Practice Problems
1. 17.1: Which is the Bluest?
2. 17.2: One Scenario, Four Representations
3. 17.3: Make a Poster
4. Lesson 17 Summary
5. Lesson 17 Practice Problems
1. 18.1: Comparing Baths and Showers
2. 18.2: Saving Water: Bath or Shower?
3. 18.3: Representing Water Usage
1. 19.1: Filling the Plate
2. 19.2: Card Sort: Circle Problems
3. 19.3: Visual Display of Circle Problem
1. Are you ready for more?
4. Lesson 19 Summary
5. Lesson 19 Practice Problems
1. 20.1: Cost of a Stained-Glass Window
2. 20.2: A Bigger Window
3. 20.3: Invent Your Own Design
1. Lesson 1: Proportional Relationships and Equations
2. Lesson 2: Two Equations for Each Relationship
3. Lesson 3: Using Equations to Solve Problems
4. Lesson 4: Comparing Relationships with Tables
5. Lesson 5: Comparing Relationships with Equations
6. Lesson 6: Solving Problems about Proportional Relationships
7. Lesson 7: Graphs of Proportional Relationships
8. Lesson 8: Using Graphs to Compare Relationships
9. Lesson 9: Two Graphs for Each Relationship
10. Lesson 10: How Well Can You Measure?
11. Lesson 11: Exploring Circles
12. Lesson 12: Exploring Circumference
13. Lesson 13: Applying Circumference
14. Lesson 14: Estimating Areas
15. Lesson 15: Area of a Circle
16. Lesson 16: Applying Area of Circles
17. Lesson 17: Four Representations
18. Lesson 18: Using Water Efficiently
19. Lesson 19: Distinguishing Circumference and Area
20. Lesson 20: Stained-Glass Windows
1. 1.1: Notice and Wonder: Tape Diagrams
1. Are you ready for more?
2. 1.3: More and Less
3. 1.4: Card Sort: Representations of Proportional Relationships
4. Lesson 1 Summary
5. Glossary
6. Lesson 1 Practice Problems
1. 2.1: Notice and Wonder: Fractions to Decimals
1. Are you ready for more?
2. 2.3: More and Less with Decimals
3. 2.4: Card Sort: More Representations
4. Lesson 2 Summary
5. Glossary
6. Lesson 2 Practice Problems
1. 3.1: Improving Their Game
2. 3.2: More Cereal and a Discounted Shirt
1. Are you ready for more?
3. 3.4: Agree or Disagree: Percentages
4. Lesson 3 Summary
5. Glossary
6. Lesson 3 Practice Problems
1. 4.1: Notice and Wonder: Double Number Line
2. 4.2: Double Number Lines
1. Are you ready for more?
3. 4.4: Protecting the Green Sea Turtle
4. Lesson 4 Summary
5. Lesson 4 Practice Problems
1. 5.1: Number Talk: From 100 to 106
2. 5.2: Interest and Depreciation
1. Are you ready for more?
3. 5.4: Representing Percent Increase and Decrease: Equations
4. Lesson 5 Summary
5. Lesson 5 Practice Problems
1. 6.1: Number Talk: What Percentage?
2. 6.2: Waiting Tables
1. Are you ready for more?
3. 6.4: Population Growth
4. Lesson 6 Summary
5. Lesson 6 Practice Problems
1. 7.1: Notice and Wonder: The Price of Sunglasses
2. 7.2: Shopping in Two Different Cities
3. 7.3: Shopping in a Third City
1. Are you ready for more?
4. Lesson 7 Summary
5. Lesson 7 Practice Problems
1. 8.1: Tax, Tip, and Discount
1. Are you ready for more?
2. 8.3: Commission at a Gym
3. 8.4: Info Gap: Sporting Goods
4. 8.5: Card Sort: Percentage Situations
5. Lesson 8 Summary
6. Lesson 8 Practice Problems
1. 9.1: Measuring to the Nearest
2. 9.2: Measuring a Soccer Field
1. Are you ready for more?
3. Lesson 9 Summary
4. Glossary
5. Lesson 9 Practice Problems
1. 10.1: Number Talk: Estimating a Percentage of a Number
1. Are you ready for more?
2. 10.3: Measuring in the Heat
3. Lesson 10 Summary
4. Glossary
5. Lesson 10 Practice Problems
1. 11.1: A Lot of Iron Ore
2. 11.2: Saw Mill
3. 11.3: Info Gap: Quality Control
4. Lesson 11 Summary
5. Lesson 11 Practice Problems
1. 12.1: Sorting the News
2. 12.2: Investigating
3. 12.3: Displaying the News
4. Lesson 12 Summary
1. Lesson 1: Half as Much Again
2. Lesson 2: Say It with Decimals
3. Lesson 3: Increasing and Decreasing
4. Lesson 4: One Hundred Percent
5. Lesson 5: Percent Increase and Decrease with Equations
6. Lesson 6: More and Less than 1%
7. Lesson 7: Tax and Tip
8. Lesson 8: Percentage Situations
9. Lesson 9: Measurement Error
10. Lesson 10: Percent Error
11. Lesson 11: Error Intervals
12. Lesson 12: Posing Percentage Problems
1. Glossary