Contents

    1. 1.1: Which One Doesn’t Belong: Tilings
      1. Are you ready for more?
    2. Lesson 1 Summary
    3. Glossary
    4. Lesson 1 Practice Problems
    1. 2.1: What is Area?
      1. Are you ready for more?
    2. 2.3: Tangram Triangles
    3. Lesson 2 Summary
    4. Glossary
    5. Lesson 2 Practice Problems
    1. 3.1: Comparing Regions
      1. Are you ready for more?
    2. 3.3: Off the Grid
    3. Lesson 3 Summary
    4. Lesson 3 Practice Problems
    1. 4.1: Features of a Parallelogram
    2. 4.2: Area of a Parallelogram
    3. 4.3: Lots of Parallelograms
    4. Lesson 4 Summary
    5. Glossary
    6. Lesson 4 Practice Problems
    1. 5.1: A Parallelogram and Its Rectangles
      1. Are you ready for more?
      1. Are you ready for more?
    2. Lesson 5 Summary
    3. Glossary
    4. Lesson 5 Practice Problems
    1. 6.1: Same Parallelograms, Different Bases
      1. Are you ready for more?
    2. 6.3: A Tale of Two Triangles (Part 2)
    3. Lesson 6 Summary
    4. Lesson 6 Practice Problems
    1. 7.1: Composing Parallelograms
    2. 7.2: More Triangles
      1. Are you ready for more?
    3. Lesson 7 Summary
    4. Lesson 7 Practice Problems
    1. 8.1: Bases and Heights of a Triangle
    2. 8.2: Finding a Formula for Area of a Triangle
    3. 8.3: Applying the Formula for Area of Triangles
    4. Lesson 8 Summary
    5. Glossary
    6. Lesson 8 Practice Problems
    1. 9.1: Which One Doesn’t Belong: Bases and Heights
    2. 9.2: What Are Polygons?
      1. Are you ready for more?
    3. 9.4: Pinwheel
    4. Lesson 9 Summary
    5. Glossary
    6. Lesson 9 Practice Problems
    1. 10.1: Covering the Cabinet (Part 1)
      1. Are you ready for more?
    2. 10.3: Building with Snap Cubes
    3. Lesson 10 Summary
    4. Glossary
    5. Lesson 10 Practice Problems
    1. 11.1: What are Polyhedra?
      1. Are you ready for more?
      1. Are you ready for more?
    2. Lesson 11 Summary
    3. Glossary
    4. Lesson 11 Practice Problems
    1. 12.1: Notice and Wonder: Wrapping Paper
    2. 12.2: Building Prisms and Pyramids
      1. Are you ready for more?
    3. Lesson 12 Summary
    4. Lesson 12 Practice Problems
    1. 13.1: Tent Design - Part 1
    2. 13.2: Tent Design - Part 2
    1. Lesson 1: Tiling the Plane
    2. Lesson 2: Finding Area by Decomposing and Rearranging
    3. Lesson 3: Reasoning to Find Area
    4. Lesson 4: Parallelograms
    5. Lesson 5: Areas of Parallelograms
    6. Lesson 6: From Parallelograms to Triangles
    7. Lesson 7: Area of Triangles
    8. Lesson 8: Formula for the Area of a Triangle
    9. Lesson 9: Polygons
    10. Lesson 10: What is Surface Area?
    11. Lesson 11: Polyhedra and Nets
    12. Lesson 12: More Nets, More Surface Area
    13. Lesson 13: Designing a Tent
      1. 1.1: Number Talk: Dividing by 4 and Multiplying by \frac14
      2. 1.2: A Collection of Snap Cubes
      3. 1.3: Blue Paint and Art Paste
        1. Are you ready for more?
      4. Lesson 1 Summary
      5. Lesson 1 Practice Problems
      1. 2.1: Flower Pattern
        1. Are you ready for more?
      2. 2.3: Batches of Cookies
      3. Lesson 2 Summary
      4. Glossary
      5. Lesson 2 Practice Problems
      1. 3.1: Dots and Half Dots
        1. Are you ready for more?
      2. 3.3: What Are Equivalent Ratios?
      3. Lesson 3 Summary
      4. Glossary
      5. Lesson 3 Practice Problems
      1. 4.1: Number Talk: Adjusting Another Factor
        1. Are you ready for more?
      2. 4.3: Blue Paint on a Double Number Line
      3. Lesson 4 Summary
      4. Glossary
      5. Lesson 4 Practice Problems
      1. 5.1: Ordering on a Number Line
      2. 5.2: Just a Little Green
        1. Are you ready for more?
      3. 5.4: Revisiting Tuna Casserole
      4. Lesson 5 Summary
      5. Glossary
      6. Lesson 5 Practice Problems
      1. 6.1: Number Talk: Dividing by Powers of 10
      2. 6.2: More Shopping
      3. 6.3: Moving 10 Meters
      4. Lesson 6 Summary
      5. Lesson 6 Practice Problems
      1. 7.1: Treadmills
      2. 7.2: Concert Tickets
        1. Are you ready for more?
      3. Lesson 7 Summary
      4. Glossary
      5. Lesson 7 Practice Problems
      1. 8.1: How Is It Growing?
      2. 8.2: A Huge Amount of Sparkling Orange Juice
        1. Are you ready for more?
      3. Lesson 8 Summary
      4. Glossary
      5. Lesson 8 Practice Problems
      1. 9.1: Number Talk: Multiplying by a Unit Fraction
      2. 9.2: Comparing Taco Prices
      3. 9.3: Hourly Wages
        1. Are you ready for more?
      4. Lesson 9 Summary
      5. Lesson 9 Practice Problems
      1. 10.1: What Do You Want to Know?
      2. 10.2: Info Gap: Hot Chocolate and Potatoes
        1. Are you ready for more?
      3. Lesson 10 Summary
      4. Lesson 10 Practice Problems
      1. 11.1: True or False: Multiplying by a Unit Fraction
      2. 11.2: Cubes of Paint
        1. Are you ready for more?
      3. 11.4: Invent Your Own Ratio Problem
      4. Lesson 11 Summary
      5. Glossary
      6. Lesson 11 Practice Problems
      1. 12.1: You Tell the Story
        1. Are you ready for more?
      2. 12.3: Salad Dressing and Moving Boxes
      3. Lesson 12 Summary
      4. Lesson 12 Practice Problems
      1. 13.1: Estimating Height
      2. 13.2: Window Washing
        1. Are you ready for more?
      3. Lesson 13 Summary
      4. Lesson 13 Practice Problems
      1. 14.1: Width of a Paper
        1. Are you ready for more?
      2. Lesson 14 Summary
      3. Lesson 14 Practice Problems
      1. 15.1: Number Talk: Fractions of a Number
      2. 15.2: Road Trip
      3. 15.3: Veterinary Weights
      4. 15.4: Cooking with a Tablespoon
      5. Lesson 15 Summary
      6. Lesson 15 Practice Problems
      1. 16.1: Closest Quotient
        1. Are you ready for more?
      2. 16.3: The Best Deal on Beans
      3. Lesson 16 Summary
      4. Glossary
      5. Lesson 16 Practice Problems
      1. 17.1: Something per Something
      2. 17.2: Cooking Oatmeal
        1. Are you ready for more?
      3. Lesson 17 Summary
      4. Glossary
      5. Lesson 17 Practice Problems
      1. 18.1: Which One Doesn’t Belong: Comparing Speeds
      2. 18.2: Price of Burritos
      3. 18.3: Making Bracelets
        1. Are you ready for more?
      4. Lesson 18 Summary
      5. Lesson 18 Practice Problems
      1. 19.1: Grid of 100
        1. Are you ready for more?
      2. 19.3: The Fastest of All
      3. Lesson 19 Summary
      4. Lesson 19 Practice Problems
      1. 20.1: Fundraising Goal
      2. 20.2: Three-Day Biking Trip
        1. Are you ready for more?
      3. Lesson 20 Summary
      4. Glossary
      5. Lesson 20 Practice Problems
      1. 21.1: Notice and Wonder: Tape Diagrams
      2. 21.2: Revisiting Jada's Puppy
      3. 21.3: 5 Dollars
        1. Are you ready for more?
      4. Lesson 21 Summary
      5. Lesson 21 Practice Problems
      1. 22.1: What Percentage Is Shaded?
      2. 22.2: Liters, Meters, and Hours
      3. 22.3: Nine is . . .
        1. Are you ready for more?
      4. Lesson 22 Summary
      5. Lesson 22 Practice Problems
      1. 23.1: Number Talk: Decimals
      2. 23.2: Info Gap: Music Devices
      3. 23.3: Everything is On Sale
      4. Lesson 23 Summary
      5. Lesson 23 Practice Problems
      1. 24.1: True or False: Percentages
      2. 24.2: Jumping Rope
        1. Are you ready for more?
      3. Lesson 24 Summary
      4. Lesson 24 Practice Problems
      1. 25.1: Fix It!
      2. 25.2: Who Was Fermi?
      3. 25.3: Researching Your Own Fermi Problem
      1. 26.1: Getting Ready to Paint
      2. 26.2: How Much It Costs to Paint
      3. 26.3: How Long It Takes to Paint
    1. Lesson 1: Representing Ratios with Diagrams
    2. Lesson 2: Mixtures
    3. Lesson 3: Defining Equivalent Ratios
    4. Lesson 4: Introducing Double Number Line Diagrams
    5. Lesson 5: Creating Double Number Line Diagrams
    6. Lesson 6: Per Each
    7. Lesson 7: Comparing Situations by Examining Ratios
    8. Lesson 8: Representing Ratios with Tables
    9. Lesson 9: Navigating a Table of Equivalent Ratios
    10. Lesson 10: Solving Equivalent Ratio Problems
    11. Lesson 11: Part-Part-Whole Ratios
    12. Lesson 12: Solving More Ratio Problems
    13. Lesson 13: The Burj Khalifa
    14. Lesson 14: Measuring with Different-Sized Units
    15. Lesson 15: Converting Units
    16. Lesson 16: Comparing Speeds and Prices
    17. Lesson 17: Interpreting Rates
    18. Lesson 18: Equivalent Ratios Have the Same Unit Rates
    19. Lesson 19: Solving Rate Problems
    20. Lesson 20: Percentages and Double Number Lines
    21. Lesson 21: Percentages and Tape Diagrams
    22. Lesson 22: Benchmark Percentages
    23. Lesson 23: Solving Percentage Problems
    24. Lesson 24: Finding the Percentage
    25. Lesson 25: A Fermi Problem
    26. Lesson 26: Painting a Room
  1. Glossary
    1. Image Attributions
  2. Notes
  3. Notes
 
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