- 1.1: Notice and Wonder: Memphis and Bangor
- 1.2: What’s the Temperature?
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- Lesson 1 Summary
- Glossary
- Lesson 1 Practice Problems

- 2.1: Which One Doesn’t Belong: Inequalities
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- 2.3: Rational Numbers on a Number Line
- Lesson 2 Summary
- Glossary
- Lesson 2 Practice Problems

- 3.1: How Do They Compare?
- 3.2: Ordering Rational Number Cards
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- Lesson 3 Summary
- Lesson 3 Practice Problems

- 4.1: Number Talk: Closer to Zero
- 4.2: Jumping Flea
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- Lesson 4 Summary
- Glossary
- Lesson 4 Practice Problems

- 5.1: Opposites
- 5.2: Submarine
- 5.3: Info Gap: Points on the Number Line
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- Lesson 5 Summary
- Lesson 5 Practice Problems

- 6.1: Which One Doesn’t Belong: Arrows
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- 6.3: Winter Temperatures
- Lesson 6 Summary
- Lesson 6 Practice Problems

- 7.1: That's the Opposite
- 7.2: Cliffs and Caves
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- 7.4: School Supply Number Line
- Lesson 7 Summary
- Lesson 7 Practice Problems

- 8.1: Concert Tickets
- 8.2: Cafeteria Food Debt
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- Lesson 8 Summary
- Glossary
- Lesson 8 Practice Problems

- 9.1: Equivalent Equations
- 9.2: Subtraction with Number Lines
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- Lesson 9 Summary
- Lesson 9 Practice Problems

- 10.1: Number Talk: Missing Addend
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- 10.3: Does the Order Matter?
- 10.4: Phone Inventory
- Lesson 10 Summary
- Lesson 10 Practice Problems

- 11.1: Guess My Line
- 11.2: The Coordinate Plane
- 11.3: Axes Drawing Decisions
- Lesson 11 Summary
- Glossary
- Lesson 11 Practice Problems

- 12.1: Unlabeled Points
- 12.2: Account Balance
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- Lesson 12 Summary
- Lesson 12 Practice Problems

- 13.1: Coordinate Patterns
- 13.2: Signs of Numbers in Coordinates
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- Lesson 13 Summary
- Lesson 13 Practice Problems

- 14.1: Distance, Rate, Time
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- 14.3: Before and After
- 14.4: Backwards in Time
- Lesson 14 Summary
- Lesson 14 Practice Problems

- 15.1: Which One Doesn’t Belong: Expressions
- 15.2: Rational Numbers Multiplication Grid
- 15.3: Card Sort: Matching Expressions
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- Lesson 15 Summary
- Lesson 15 Practice Problems

- 16.1: Tell Me Your Sign
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- 16.3: Drilling Down
- Lesson 16 Summary
- Glossary
- Lesson 16 Practice Problems

- 17.1: Grapes per Minute
- 17.2: Water Level in the Aquarium
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- Lesson 17 Summary
- Lesson 17 Practice Problems

- 18.1: True or False: Rational Numbers
- 18.2: Card Sort: The Same But Different
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- 18.4: Seagulls and Sharks Again
- Lesson 18 Summary
- Glossary
- Lesson 18 Practice Problems

- 19.1: Number Talk: Opposites and Reciprocals
- 19.2: Match Solutions
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- 19.4: Card Sort: Matching Inverses
- Lesson 19 Summary
- Glossary
- Lesson 19 Practice Problems

- 20.1: Don't Solve It
- 20.2: Warmer or Colder than Before?
- 20.3: Animals Changing Altitudes
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- Lesson 20 Summary
- Lesson 20 Practice Problems

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- 21.2: Design Your Own Image

- 22.1: Revisiting Interest and Depreciation
- 22.2: Gains and Losses
- 22.3: What is a Stock Portfolio?
- 22.4: Your Own Stock Portfolio

- Lesson 1: Positive and Negative Numbers
- Lesson 2: Comparing Positive and Negative Numbers
- Lesson 3: Ordering Rational Numbers
- Lesson 4: Absolute Value of Numbers
- Lesson 5: Comparing Numbers and Distance from Zero
- Lesson 6: Changing Temperatures
- Lesson 7: Changing Elevation
- Lesson 8: Money and Debts
- Lesson 9: Representing Subtraction
- Lesson 10: Subtracting Rational Numbers
- Lesson 11: Constructing the Coordinate Plane
- Lesson 12: Interpreting Points on a Coordinate Plane
- Lesson 13: Distances and Shapes on the Coordinate Plane
- Lesson 14: Position, Speed, Direction
- Lesson 15: Multiplying Rational Numbers
- Lesson 16: Dividing Rational Numbers
- Lesson 17: Negative Rates
- Lesson 18: Expressions with Rational Numbers
- Lesson 19: Solving Equations with Rational Numbers
- Lesson 20: Representing Contexts with Equations
- Lesson 21: Drawing on the Coordinate Plane
- Lesson 22: The Stock Market
- 1.1: Curious about Caps
- 1.2: Estimating Caps
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- 1.4: Favorite Summer Sports
- Lesson 1 Summary
- Glossary
- Lesson 1 Practice Problems

- 2.1: Packs on Backs
- 2.2: On the Phone
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- Lesson 2 Summary
- Glossary
- Lesson 2 Practice Problems

- 3.1: Dog Show (Part 1)
- 3.2: Dog Show (Part 2)
- 3.3: Tall and Taller Players
- Lesson 3 Summary
- Glossary
- Lesson 3 Practice Problems

- 4.1: Which One Doesn’t Belong: Division
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- 4.3: Travel Times (Part 2)
- Lesson 4 Summary
- Glossary
- Lesson 4 Practice Problems

- 5.1: Shooting Hoops (Part 1)
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- 5.4: Swimmers Over the Years
- Lesson 5 Summary
- Glossary
- Lesson 5 Practice Problems

- 6.1: The Plot of the Story
- 6.2: Finding the Middle
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- Lesson 6 Summary
- Glossary
- Lesson 6 Practice Problems

- 7.1: Notice and Wonder: Two Parties
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- 7.3: Human Box Plot
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- Lesson 7 Summary
- Glossary
- Lesson 7 Practice Problems

- 8.1: First Name versus Last Name
- 8.2: John Jacobjingleheimerschmidt
- 8.3: Siblings and Pets
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- Lesson 8 Summary
- Glossary
- Lesson 8 Practice Problems

- 9.1: Number Talk: Division by Powers of 10
- 9.2: Selling Paintings
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- 9.4: Auditing Sales
- Lesson 9 Summary
- Glossary
- Lesson 9 Practice Problems

- 10.1: Ages of Moviegoers
- 10.2: Comparing Methods for Selecting Samples
- 10.3: That’s the First Straw
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- Lesson 10 Summary
- Lesson 10 Practice Problems

- 11.1: Describing the Center
- 11.2: Three Different TV Shows
- 11.3: Who’s Watching What?
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- Lesson 11 Summary
- Glossary
- Lesson 11 Practice Problems

- 12.1: Average Reactions
- 12.2: Reaction Population
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- Lesson 12 Summary
- Lesson 12 Practice Problems

- 13.1: Which Game Would You Choose?
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- 13.3: What’s in the Bag?
- Lesson 13 Summary
- Glossary
- Lesson 13 Practice Problems

- 14.1: Decimals on the Number Line
- 14.2: In the Long Run
- 14.3: Due For a Win
- Lesson 14 Summary
- Lesson 14 Practice Problems

- 15.1: How Many Different Meals?
- 15.2: Lists, Tables, and Trees
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- Lesson 15 Summary
- Lesson 15 Practice Problems

- 16.1: True or False?
- 16.2: Spinning a Color and Number
- 16.3: Cubes and Coins
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- Lesson 16 Summary
- Lesson 16 Practice Problems

- 17.1: Number Talk: Division
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- 17.3: Designing Simulations
- Lesson 17 Summary
- Lesson 17 Practice Problems

- Lesson 1: Representing Data Graphically
- Lesson 2: Using Dot Plots to Answer Statistical Questions
- Lesson 3: Interpreting Histograms
- Lesson 4: The Mean
- Lesson 5: Variability and MAD
- Lesson 6: The Median
- Lesson 7: Box Plots and Interquartile Range
- Lesson 8: Larger Populations
- Lesson 9: What Makes a Good Sample?
- Lesson 10: Sampling in a Fair Way
- Lesson 11: Estimating Population Measures of Center
- Lesson 12: More about Sampling Variability
- Lesson 13: What Are Probabilities?
- Lesson 14: Estimating Probabilities Through Repeated Experiments
- Lesson 15: Keeping Track of All Possible Outcomes
- Lesson 16: Multi-step Experiments
- Lesson 17: Designing Simulations
- 1.1: Ant Trek
- 1.2: Stacks and Stacks of Cereal Boxes
- 1.3: Covering the Washington Monument

- 2.1: All 7.4 Billion of Us
- 2.2: About the People in the World
- 2.3: If Our Class Were the World

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- 3.2: More Rectangles, More Squares
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- 3.4: It’s All About Fractions

- 4.1: How Long Are These Pencils?
- 4.2: How Long Are These Floor Boards?

- 5.1: Measurement Error for Area
- 5.2: Measurement Error for Volume

- 6.1: Which Was “Yessier”?
- 6.2: Which Class Voted Purpler?
- 6.3: Supermajorities
- 6.4: Best Restaurant

- 7.1: Field Day
- 7.2: School Lunches (Part 1)
- 7.3: School Lunch (Part 2)
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- 7.5: Weekend Choices

- 8.1: Dot Density
- 8.2: Dot Density with a Twist
- 8.3: Housing Density
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- 9.1: Computers for Kids
- 9.2: School Mascot (Part 1)
- 9.3: Advising the School Board
- 9.4: School Mascot (Part 2)
- 9.5: Fair and Unfair Districts

- 10.1: How Far Is It?
- 10.2: Planning a 5K Course
- 10.3: Comparing Methods

- 11.1: What Is a Trundle Wheel?
- 11.2: Building a Trundle Wheel

- 12.1: Measuring Distances with the Trundle Wheel

- 13.1: Make a Proposal
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- Glossary
- Image Attributions

- Notes
- Notes