Contents

    1. 1.1: The Right Tool
    2. 1.2: Illegal Construction Moves
      1. Are you ready for more?
    3. Lesson 1 Summary
    4. Glossary
    5. Lesson 1 Practice Problems
    1. 2.1: Math Talk: Why Is That True?
      1. Are you ready for more?
    2. 2.3: Make Someone Else’s
    3. Lesson 2 Summary
    4. Glossary
    5. Lesson 2 Practice Problems
    1. 3.1: Find All the Points!
      1. Are you ready for more?
    2. 3.3: How Well Can You Slice It?
    3. Lesson 3 Summary
    4. Glossary
    5. Lesson 3 Practice Problems
    1. 4.1: Notice and Wonder: Circles Circles Circles
    2. 4.2: What Polygons Can You Find?
      1. Are you ready for more?
    3. Lesson 4 Summary
    4. Glossary
    5. Lesson 4 Practice Problems
    1. 5.1: Two Circles
    2. 5.2: Make It Right
      1. Are you ready for more?
    3. Lesson 5 Summary
    4. Glossary
    5. Lesson 5 Practice Problems
    1. 6.1: Math Talk: Transformations
      1. Are you ready for more?
    2. 6.3: Parallel Constructions Challenge
    3. Lesson 6 Summary
    4. Lesson 6 Practice Problems
    1. 7.1: Which One Doesn’t Belong: Polygons
    2. 7.2: It’s Cool to Be Square
      1. Are you ready for more?
    3. Lesson 7 Summary
    4. Glossary
    5. Lesson 7 Practice Problems
    1. 8.1: How Do Digital Construction Tools Work?
    2. 8.2: Digital Compass and Straightedge Construction
    3. 8.3: More Helpful Digital Tools
    4. Lesson 8 Summary
    5. Lesson 8 Practice Problems
    1. 9.1: Notice and Wonder: Dots in a Square
      1. Are you ready for more?
    2. 9.3: Now Who is Closest?
    3. 9.4: Another Layer
    4. Lesson 9 Summary
    5. Glossary
    6. Lesson 9 Practice Problems
    1. 10.1: Notice and Wonder: Transformed
    2. 10.2: What’s the Same?
      1. Are you ready for more?
    3. Lesson 10 Summary
    4. Glossary
    5. Lesson 10 Practice Problems
    1. 11.1: Which One Doesn’t Belong: Crossing the Line
    2. 11.2: Info Gap: What’s the Point: Reflections
      1. Are you ready for more?
    3. Lesson 11 Summary
    4. Glossary
    5. Lesson 11 Practice Problems
    1. 12.1: Notice and Wonder: Two Triangles and an Arrow
    2. 12.2: What’s the Point: Translations
      1. Are you ready for more?
    3. Lesson 12 Summary
    4. Glossary
    5. Lesson 12 Practice Problems
    1. 13.1: Left to Right
    2. 13.2: Turning on a Grid
      1. Are you ready for more?
    3. Lesson 13 Summary
    4. Lesson 13 Practice Problems
    1. 14.1: Math Talk: Comparing Angles
    2. 14.2: Info Gap: What’s the Point: Rotations
      1. Are you ready for more?
    3. Lesson 14 Summary
    4. Glossary
    5. Lesson 14 Practice Problems
    1. 15.1: Back to the Start
      1. Are you ready for more?
    2. 15.3: Diabolic Diagonals
    3. Lesson 15 Summary
    4. Glossary
    5. Lesson 15 Practice Problems
    1. 16.1: Which One Doesn't Belong: Symmetry
      1. Are you ready for more?
    2. 16.3: Parallelogram Symmetry
    3. Lesson 16 Summary
    4. Glossary
    5. Lesson 16 Practice Problems
    1. 17.1: Math Talk: From Here to There
      1. Are you ready for more?
    2. 17.3: Reflecting on Reflection
    3. Lesson 17 Summary
    4. Lesson 17 Practice Problems
    1. 18.1: Notice and Wonder: Obstacles
      1. Are you ready for more?
      1. Are you ready for more?
    2. Lesson 18 Summary
    3. Lesson 18 Practice Problems
    1. 19.1: Math Talk: Supplementary Angles
    2. 19.2: That Can’t Be Right, Can It?
      1. Are you ready for more?
    3. Lesson 19 Summary
    4. Lesson 19 Practice Problems
    1. 20.1: Math Talk: Angle Relationships
    2. 20.2: Make a Mark? Give a Reason.
      1. Are you ready for more?
    3. Lesson 20 Summary
    4. Lesson 20 Practice Problems
    1. 21.1: What Went Wrong?
    2. 21.2: Triangle Angle Sum One Way
      1. Are you ready for more?
    3. Lesson 21 Summary
    4. Lesson 21 Practice Problems
    1. 22.1: Notice and Wonder: Dramatic Designs
    2. 22.2: Duplicate a Design
      1. Are you ready for more?
    3. 22.4: Make Their Design
    4. Lesson 22 Summary
    5. Lesson 22 Practice Problems
    1. Lesson 1: Build It
    2. Lesson 2: Constructing Patterns
    3. Lesson 3: Construction Techniques 1: Perpendicular Bisectors
    4. Lesson 4: Construction Techniques 2: Equilateral Triangles
    5. Lesson 5: Construction Techniques 3: Perpendicular Lines and Angle Bisectors
    6. Lesson 6: Construction Techniques 4: Parallel and Perpendicular Lines
    7. Lesson 7: Construction Techniques 5: Squares
    8. Lesson 8: Using Technology for Constructions
    9. Lesson 9: Speedy Delivery
    10. Lesson 10: Rigid Transformations
    11. Lesson 11: Defining Reflections
    12. Lesson 12: Defining Translations
    13. Lesson 13: Incorporating Rotations
    14. Lesson 14: Defining Rotations
    15. Lesson 15: Symmetry
    16. Lesson 16: More Symmetry
    17. Lesson 17: Working with Rigid Transformations
    18. Lesson 18: Practicing Point by Point Transformations
    19. Lesson 19: Evidence, Angles, and Proof
    20. Lesson 20: Transformations, Transversals, and Proof
    21. Lesson 21: One Hundred and Eighty
    22. Lesson 22: Now What Can You Build?
      1. 1.1: Notice and Wonder: Transformed Rectangles
        1. Are you ready for more?
      2. 1.3: Making Quadrilaterals
      3. Lesson 1 Summary
      4. Glossary
      5. Lesson 1 Practice Problems
      1. 2.1: Math Talk: Which Are Congruent?
      2. 2.2: Which Triangles Are Congruent?
        1. Are you ready for more?
      3. Lesson 2 Summary
      4. Lesson 2 Practice Problems
      1. 3.1: True or . . . Sometimes True?: Triangles
        1. Are you ready for more?
      2. 3.3: Why Do They Coincide?
      3. Lesson 3 Summary
      4. Lesson 3 Practice Problems
      1. 4.1: Make That Triangle
        1. Are you ready for more?
      2. 4.3: Too Little Information?
      3. Lesson 4 Summary
      4. Lesson 4 Practice Problems
      1. 5.1: What's the Point?
        1. Are you ready for more?
      2. 5.3: Zig Then Zag
      3. Lesson 5 Summary
      4. Lesson 5 Practice Problems
      1. 6.1: Information Overload?
        1. Are you ready for more?
      2. 6.3: What Do We Know For Sure About Isosceles Triangles?
      3. Lesson 6 Summary
      4. Glossary
      5. Lesson 6 Practice Problems
      1. 7.1: Notice and Wonder: Assertion
      2. 7.2: Proving the Angle-Side-Angle Triangle Congruence Theorem
      3. 7.3: Find the Missing Angle Measures
        1. Are you ready for more?
      4. Lesson 7 Summary
      5. Glossary
      6. Lesson 7 Practice Problems
      1. 8.1: Which One Doesn’t Belong: Intersecting Lines
        1. Are you ready for more?
      2. 8.3: Not Too Close, Not Too Far
      3. Lesson 8 Summary
      4. Glossary
      5. Lesson 8 Practice Problems
      1. 9.1: Dare to Be Different
        1. Are you ready for more?
      2. 9.3: What Else Do We Know For Sure About Parallelograms?
      3. Lesson 9 Summary
      4. Lesson 9 Practice Problems
      1. 10.1: Brace Yourself!
        1. Are you ready for more?
      2. 10.3: Matching Pictures to Proofs
      3. Lesson 10 Summary
      4. Lesson 10 Practice Problems
      1. 11.1: Notice and Wonder: Congruence Fail
      2. 11.2: Dare to Be (Even More) Different
        1. Are you ready for more?
      3. Lesson 11 Summary
      4. Lesson 11 Practice Problems
      1. 12.1: Play with Parallelograms
      2. 12.2: From Conjecture to Proof
        1. Are you ready for more?
      3. Lesson 12 Summary
      4. Glossary
      5. Lesson 12 Practice Problems
      1. 13.1: Notice and Wonder: Diagonals
      2. 13.2: The Diagonals of a Parallelogram
        1. Are you ready for more?
      3. Lesson 13 Summary
      4. Lesson 13 Practice Problems
      1. 14.1: Why Does This Construction Work?
      2. 14.2: Construction from Definition
        1. Are you ready for more?
      3. Lesson 14 Summary
      4. Lesson 14 Practice Problems
      1. 15.1: True or . . . Sometimes True?: Parallelograms
      2. 15.2: Floppy Quadrilaterals
        1. Are you ready for more?
      3. Lesson 15 Practice Problems
    1. Lesson 1: Congruent Parts, Part 1
    2. Lesson 2: Congruent Parts, Part 2
    3. Lesson 3: Congruent Triangles, Part 1
    4. Lesson 4: Congruent Triangles, Part 2
    5. Lesson 5: Points, Segments, and Zigzags
    6. Lesson 6: Side-Angle-Side Triangle Congruence
    7. Lesson 7: Angle-Side-Angle Triangle Congruence
    8. Lesson 8: The Perpendicular Bisector Theorem
    9. Lesson 9: Side-Side-Side Triangle Congruence
    10. Lesson 10: Practicing Proofs
    11. Lesson 11: Side-Side-Angle (Sometimes) Congruence
    12. Lesson 12: Proofs about Quadrilaterals
    13. Lesson 13: Proofs about Parallelograms
    14. Lesson 14: Bisect It
    15. Lesson 15: Congruence for Quadrilaterals
  1. Glossary
    1. Image Attributions
    1. Unit 1: Constructions and Rigid Transformations
  2. Notes
  3. Notes
 
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