Contents

    1. Blank Page
      1. 1.1: Is That the Same Hippo?
      2. 1.2: Sketching Stretching
        1. Are you ready for more?
      3. Lesson 1 Summary
      4. Glossary
      5. Lesson 1 Practice Problems
      1. 2.1: Solar Eclipse
        1. Are you ready for more?
      2. 2.3: Shrinking the Solar System, Take 2
      3. Lesson 2 Summary
      4. Lesson 2 Practice Problems
      1. 3.1: Dilating Out
        1. Are you ready for more?
      2. 3.3: What Stays the Same?
      3. Lesson 3 Summary
      4. Lesson 3 Practice Problems
      1. 4.1: Angle Articulation
        1. Are you ready for more?
      2. 4.3: Proof in Parallel
      3. Lesson 4 Summary
      4. Lesson 4 Practice Problems
      1. 5.1: Notice and Wonder: Midpoints
      2. 5.2: Dilation or Violation?
        1. Are you ready for more?
      3. Lesson 5 Summary
      4. Lesson 5 Practice Problems
      1. 6.1: Dilation Miscalculation
        1. Are you ready for more?
      2. 6.3: Alphabet Soup
      3. Lesson 6 Summary
      4. Glossary
      5. Lesson 6 Practice Problems
      1. 7.1: Notice and Wonder: Nested Triangles
        1. Are you ready for more?
      2. 7.3: Invisible Triangles: Similarity
      3. Lesson 7 Summary
      4. Lesson 7 Practice Problems
      1. 8.1: Stretched or Distorted? Rectangles
      2. 8.2: Faulty Logic
        1. Are you ready for more?
      3. Lesson 8 Summary
      4. Lesson 8 Practice Problems
      1. 9.1: Math Talk: Angle-Side-Angle As A Helpful Tool
      2. 9.2: How Many Pieces?
        1. Are you ready for more?
      3. Lesson 9 Summary
      4. Lesson 9 Practice Problems
      1. 10.1: Math Talk: Triangle Congruence
      2. 10.2: Side-Angle-Side Triangle Similarity?
        1. Are you ready for more?
      3. Lesson 10 Summary
      4. Lesson 10 Practice Problems
      1. 11.1: Notice and Wonder: Parallel Segments
      2. 11.2: Prove It: Parallel Segments
        1. Are you ready for more?
      3. Lesson 11 Summary
      4. Lesson 11 Practice Problems
      1. 12.1: Vegetable Garden
      2. 12.2: Card Sort: Corresponding Parts
        1. Are you ready for more?
      3. Lesson 12 Summary
      4. Lesson 12 Practice Problems
      1. 13.1: Similar, Right?
      2. 13.2: Tangled Triangles
        1. Are you ready for more?
      3. Lesson 13 Summary
      4. Glossary
      5. Lesson 13 Practice Problems
      1. 14.1: Notice and Wonder: Variable Version
      2. 14.2: Prove Pythagoras Right
        1. Are you ready for more?
      3. Lesson 14 Summary
      4. Lesson 14 Practice Problems
      1. 15.1: Which One Doesn’t Belong: Triangles
      2. 15.2: Info Gap: Similar Sequence
        1. Are you ready for more?
      3. Lesson 15 Summary
      4. Lesson 15 Practice Problems
      1. 16.1: Notice and Wonder: Right Triangles
        1. Are you ready for more?
      2. 16.3: Indirect Measurement (Mirrors)
      3. 16.4: Indirect Measurement (No Mirrors)
      4. Lesson 16 Summary
      5. Lesson 16 Practice Problems
      1. Lesson 1: Scale Drawings
      2. Lesson 2: Scale of the Solar System
      3. Lesson 3: Measuring Dilations
      4. Lesson 4: Dilating Lines and Angles
      5. Lesson 5: Splitting Triangle Sides with Dilation, Part 1
      6. Lesson 6: Connecting Similarity and Transformations
      7. Lesson 7: Reasoning about Similarity with Transformations
      8. Lesson 8: Are They All Similar?
      9. Lesson 9: Conditions for Triangle Similarity
      10. Lesson 10: Other Conditions for Triangle Similarity
      11. Lesson 11: Splitting Triangle Sides with Dilation, Part 2
      12. Lesson 12: Practice With Proportional Relationships
      13. Lesson 13: Using the Pythagorean Theorem and Similarity
      14. Lesson 14: Proving the Pythagorean Theorem
      15. Lesson 15: Finding All the Unknown Values in Triangles
      16. Lesson 16: Bank Shot
        1. 1.1: Ratios Galore
        2. 1.2: Can You Calculate?
          1. Are you ready for more?
        3. Lesson 1 Summary
        4. Lesson 1 Practice Problems
        1. 2.1: Diagonals of Rectangles
        2. 2.2: Decomposing Squares
          1. Are you ready for more?
        3. Lesson 2 Summary
        4. Lesson 2 Practice Problems
        1. 3.1: Notice and Wonder: Triangle Slices
        2. 3.2: Decomposing Equilateral Triangles
          1. Are you ready for more?
        3. Lesson 3 Summary
        4. Lesson 3 Practice Problems
        1. 4.1: Ratio Rivalry
        2. 4.2: Tons of Triangles
          1. Are you ready for more?
        3. Lesson 4 Summary
        4. Glossary
        5. Lesson 4 Practice Problems
        1. 5.1: Launch Pad
          1. Are you ready for more?
        2. 5.3: Solve All the Triangles
        3. Lesson 5 Summary
        4. Lesson 5 Practice Problems
        1. 6.1: This Time with Strategies
        2. 6.2: New Names, Same Ratios
          1. Are you ready for more?
        3. Lesson 6 Summary
        4. Glossary
        5. Lesson 6 Practice Problems
        1. 7.1: Tilted Triangle
        2. 7.2: Info Gap: Trigonometry
          1. Are you ready for more?
        3. Lesson 7 Summary
        4. Lesson 7 Practice Problems
        1. 8.1: Which One Doesn’t Belong: Four Triangles
        2. 8.2: Twin Triangles
          1. Are you ready for more?
        3. Lesson 8 Summary
        4. Lesson 8 Practice Problems
        1. 9.1: Once More with the Table
        2. 9.2: From Ratios to Angles
          1. Are you ready for more?
        3. Lesson 9 Summary
        4. Glossary
        5. Lesson 9 Practice Problems
        1. 10.1: Notice and Wonder: Practicing Perimeter
          1. Are you ready for more?
        2. 10.3: Gentle Descent
        3. Lesson 10 Summary
        4. Lesson 10 Practice Problems
        1. 11.1: More Sides
        2. 11.2: N Sides
          1. Are you ready for more?
        3. Lesson 11 Summary
        4. Lesson 11 Practice Problems
      1. Lesson 1: Angles and Steepness
      2. Lesson 2: Half a Square
      3. Lesson 3: Half an Equilateral Triangle
      4. Lesson 4: Ratios in Right Triangles
      5. Lesson 5: Working with Ratios in Right Triangles
      6. Lesson 6: Working with Trigonometric Ratios
      7. Lesson 7: Applying Ratios in Right Triangles
      8. Lesson 8: Sine and Cosine in the Same Right Triangle
      9. Lesson 9: Using Trigonometric Ratios to Find Angles
      10. Lesson 10: Solving Problems with Trigonometry
      11. Lesson 11: Approximating Pi
        1. 1.1: Which One Doesn’t Belong: Solids
          1. Are you ready for more?
        2. 1.3: From Three Dimensions to Two
        3. Lesson 1 Summary
        4. Glossary
        5. Lesson 1 Practice Problems
        1. 2.1: Slice This
        2. 2.2: Slice That
          1. Are you ready for more?
        3. Lesson 2 Summary
        4. Glossary
        5. Lesson 2 Practice Problems
        1. 3.1: Dilating, Again
          1. Are you ready for more?
        2. Lesson 3 Summary
        3. Lesson 3 Practice Problems
        1. 4.1: Squares and Roots
          1. Are you ready for more?
        2. 4.3: What About Other Shapes?
        3. Lesson 4 Summary
        4. Lesson 4 Practice Problems
        1. 5.1: Transamerica Building
        2. 5.2: Two Viewpoints
          1. Are you ready for more?
        3. Lesson 5 Summary
        4. Lesson 5 Practice Problems
        1. 6.1: Math Talk: Cube Volumes
        2. 6.2: How Do Surface Area and Volume Change with Scaling?
          1. Are you ready for more?
        3. Lesson 6 Summary
        4. Lesson 6 Practice Problems
        1. 7.1: The Number That Cubes
        2. 7.2: Thinking Inside the Box
          1. Are you ready for more?
        3. Lesson 7 Summary
        4. Glossary
        5. Lesson 7 Practice Problems
        1. 8.1: Going Backwards
        2. 8.2: Info Gap: Originals and Dilations
          1. Are you ready for more?
        3. Lesson 8 Summary
        4. Lesson 8 Practice Problems
        1. 9.1: The Same But Different
        2. 9.2: Water Transfer
          1. Are you ready for more?
        3. Lesson 9 Summary
        4. Lesson 9 Practice Problems
        1. 10.1: Two Stacks of Coins
          1. Are you ready for more?
        2. 10.3: Equal Volumes?
        3. Lesson 10 Summary
        4. Glossary
        5. Lesson 10 Practice Problems
        1. 11.1: New Heights
          1. Are you ready for more?
        2. 11.3: The Cayan Tower
        3. Lesson 11 Summary
        4. Lesson 11 Practice Problems
        1. 12.1: The Faces of Geometry
          1. Are you ready for more?
        2. 12.3: Building a Prism from Pyramids
        3. Lesson 12 Summary
        4. Glossary
        5. Lesson 12 Practice Problems
        1. 13.1: Cover Your Bases
        2. 13.2: Splitting a Prism into Pyramids
          1. Are you ready for more?
        3. Lesson 13 Summary
        4. Lesson 13 Practice Problems
        1. 14.1: Volume Matching
          1. Are you ready for more?
        2. 14.3: An Icy Pyramid
        3. Lesson 14 Summary
        4. Lesson 14 Practice Problems
        1. 15.1: Math Talk: Volumes
          1. Are you ready for more?
        2. 15.3: Spinning into Three Dimensions
        3. Lesson 15 Summary
        4. Lesson 15 Practice Problems
        1. 16.1: Maximize Area
          1. Are you ready for more?
        2. 16.3: Assume a Spherical Elephant
        3. 16.4: Measuring Strength
        4. Lesson 16 Summary
        5. Lesson 16 Practice Problems
        1. 17.1: A Kilogram by Any Other Name
          1. Are you ready for more?
        2. 17.3: A Fishy Situation
        3. Lesson 17 Summary
        4. Glossary
        5. Lesson 17 Practice Problems
        1. 18.1: Parade Balloon: Part 1
        2. 18.2: Parade Balloon: Part 2
          1. Are you ready for more?
        3. Lesson 18 Summary
        4. Lesson 18 Practice Problems
      1. Lesson 1: Solids of Rotation
      2. Lesson 2: Slicing Solids
      3. Lesson 3: Creating Cross Sections by Dilating
      4. Lesson 4: Scaling and Area
      5. Lesson 5: Scaling and Unscaling
      6. Lesson 6: Scaling Solids
      7. Lesson 7: The Root of the Problem
      8. Lesson 8: Speaking of Scaling
      9. Lesson 9: Cylinder Volumes
      10. Lesson 10: Cross Sections and Volume
      11. Lesson 11: Prisms Practice
      12. Lesson 12: Prisms and Pyramids
      13. Lesson 13: Building a Volume Formula for a Pyramid
      14. Lesson 14: Working with Pyramids
      15. Lesson 15: Putting All the Solids Together
      16. Lesson 16: Surface Area and Volume
      17. Lesson 17: Volume and Density
      18. Lesson 18: Volume and Graphing
    1. Glossary
      1. Image Attributions
      1. Unit 3: Similarity
 
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