Contents

    1. 1.1: Which One Doesn’t Belong: Diagrams
      1. Are you ready for more?
    2. Lesson 1 Summary
    3. Glossary
    4. Lesson 1 Practice Problems
    1. 2.1: A Pair of Quadrilaterals
    2. 2.2: How Did You Make That Move?
    3. 2.3: Card Sort: Move
    4. Lesson 2 Summary
    5. Glossary
    6. Lesson 2 Practice Problems
    1. 3.1: Notice and Wonder: The Isometric Grid
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    2. Lesson 3 Summary
    3. Glossary
    4. Lesson 3 Practice Problems
    1. 4.1: Reflection Quick Image
    2. 4.2: Make That Move
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    3. Lesson 4 Summary
    4. Glossary
    5. Lesson 4 Practice Problems
    1. 5.1: Translating Coordinates
    2. 5.2: Reflecting Points on the Coordinate Plane
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    3. Lesson 5 Summary
    4. Glossary
    5. Lesson 5 Practice Problems
    1. 6.1: Finding a Center of Rotation
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    2. Lesson 6 Summary
    3. Lesson 6 Practice Problems
    1. 7.1: Measuring Segments
    2. 7.2: Sides and Angles
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    3. Lesson 7 Summary
    4. Glossary
    5. Lesson 7 Practice Problems
    1. 8.1: Building a Quadrilateral
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    2. 8.3: A Pattern of Four Triangles
    3. Lesson 8 Summary
    4. Lesson 8 Practice Problems
    1. 9.1: Line Moves
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    2. 9.3: Let’s Do Some 180’s
    3. Lesson 9 Summary
    4. Glossary
    5. Lesson 9 Practice Problems
    1. 10.1: Angles of an Isosceles Triangle
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    2. 10.3: Triangle Plus Two
    3. 10.4: Triangle ONE Plus
    4. Lesson 10 Summary
    5. Lesson 10 Practice Problems
    1. 11.1: Find the Right Hands
    2. 11.2: Are They the Same?
      1. Are you ready for more?
    3. Lesson 11 Summary
    4. Glossary
    5. Lesson 11 Practice Problems
    1. 12.1: Translated Images
    2. 12.2: Congruent Pairs (Part 1)
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    3. 12.4: Building Quadrilaterals
    4. Lesson 12 Summary
    5. Glossary
    6. Lesson 12 Practice Problems
    1. 13.1: Not Just the Vertices
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    2. 13.3: Corresponding Points in Congruent Figures
    3. 13.4: Astonished Faces
    4. Lesson 13 Summary
    5. Lesson 13 Practice Problems
    1. 14.1: Angle Pairs
      1. Are you ready for more?
    2. 14.3: Alternate Interior Angles Are Congruent
    3. Lesson 14 Summary
    4. Glossary
    5. Lesson 14 Practice Problems
    1. 15.1: Can You Draw It?
    2. 15.2: Find All Three
      1. Are you ready for more?
    3. Lesson 15 Summary
    4. Glossary
    5. Lesson 15 Practice Problems
    1. 16.1: True or False: Computational Relationships
    2. 16.2: Angle Plus Two
      1. Are you ready for more?
    3. 16.4: Four Triangles Revisited
    4. Lesson 16 Summary
    5. Lesson 16 Practice Problems
    1. 17.1: Deducing Angle Measures
    2. 17.2: Tessellate This
    3. 17.3: Rotate That
    4. Glossary
    1. Lesson 1: Moving in the Plane
    2. Lesson 2: Naming the Moves
    3. Lesson 3: Grid Moves
    4. Lesson 4: Making the Moves
    5. Lesson 5: Coordinate Moves
    6. Lesson 6: Describing Transformations
    7. Lesson 7: No Bending or Stretching
    8. Lesson 8: Rotation Patterns
    9. Lesson 9: Moves in Parallel
    10. Lesson 10: Composing Figures
    11. Lesson 11: What Is the Same?
    12. Lesson 12: Congruent Polygons
    13. Lesson 13: Congruence
    14. Lesson 14: Alternate Interior Angles
    15. Lesson 15: Adding the Angles in a Triangle
    16. Lesson 16: Parallel Lines and the Angles in a Triangle
    17. Lesson 17: Rotate and Tessellate
      1. 1.1: Number Talk: Remembering Fraction Division
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      2. 1.3: Scaled Rectangles
      3. Lesson 1 Summary
      4. Glossary
      5. Lesson 1 Practice Problems
      1. 2.1: Notice and Wonder: Concentric Circles
      2. 2.2: A Droplet on the Surface
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      3. 2.4: A Quadrilateral and Concentric Circles
      4. Lesson 2 Summary
      5. Glossary
      6. Lesson 2 Practice Problems
      1. 3.1: Points on a Ray
      2. 3.2: Dilation Obstacle Course
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      3. Lesson 3 Summary
      4. Lesson 3 Practice Problems
      1. 4.1: Estimating a Scale Factor
      2. 4.2: Dilations on a Grid
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      3. Lesson 4 Summary
      4. Lesson 4 Practice Problems
      1. 5.1: Many Dilations of a Triangle
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      2. Lesson 5 Summary
      3. Lesson 5 Practice Problems
      1. 6.1: Equivalent Expressions
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      2. 6.3: Similarity Transformations (Part 2)
      3. 6.4: Methods for Translations and Dilations
      4. Lesson 6 Summary
      5. Glossary
      6. Lesson 6 Practice Problems
      1. 7.1: All, Some, None: Congruence and Similarity
        1. Are you ready for more?
        1. Are you ready for more?
      2. Lesson 7 Summary
      3. Lesson 7 Practice Problems
      1. 8.1: Equivalent Expressions
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        1. Are you ready for more?
      2. Lesson 8 Summary
      3. Lesson 8 Practice Problems
      1. 9.1: Two-three-four and Four-five-six
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      2. 9.3: Using Side Quotients to Find Side Lengths of Similar Triangles
      3. Lesson 9 Summary
      4. Lesson 9 Practice Problems
      1. 10.1: Equal Quotients
      2. 10.2: Similar Triangles on the Same Line
        1. Are you ready for more?
      3. 10.4: Different Slopes of Different Lines
      4. Lesson 10 Summary
      5. Glossary
      6. Lesson 10 Practice Problems
      1. 11.1: Coordinates and Lengths in the Coordinate Plane
      2. 11.2: What We Mean by an Equation of a Line
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      3. Lesson 11 Summary
      4. Lesson 11 Practice Problems
      1. 12.1: Missing center
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      2. 12.3: Dilations and Slope Triangles
      3. Lesson 12 Summary
      4. Lesson 12 Practice Problems
      1. 13.1: Notice and Wonder: Long Shadows and Short Shadows
      2. 13.2: Objects and Shadows
      3. 13.3: Justifying the Relationship
      4. 13.4: The Height of a Tall Object
    1. Lesson 1: Projecting and Scaling
    2. Lesson 2: Circular Grid
    3. Lesson 3: Dilations with no Grid
    4. Lesson 4: Dilations on a Square Grid
    5. Lesson 5: More Dilations
    6. Lesson 6: Similarity
    7. Lesson 7: Similar Polygons
    8. Lesson 8: Similar Triangles
    9. Lesson 9: Side Length Quotients in Similar Triangles
    10. Lesson 10: Meet Slope
    11. Lesson 11: Writing Equations for Lines
    12. Lesson 12: Using Equations for Lines
    13. Lesson 13: The Shadow Knows
      1. 1.1: Notice and Wonder: Two Graphs
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      2. 1.3: Moving Twice as Fast
      3. Lesson 1 Summary
      4. Glossary
      5. Lesson 1 Practice Problems
      1. 2.1: An Unknown Situation
      2. 2.2: Card Sort: Proportional Relationships
        1. Are you ready for more?
      3. Lesson 2 Summary
      4. Lesson 2 Practice Problems
      1. 3.1: Number Talk: Multiplication
      2. 3.2: Representations of Proportional Relationships
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      3. Lesson 3 Summary
      4. Glossary
      5. Lesson 3 Practice Problems
      1. 4.1: What's the Relationship?
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      2. Lesson 4 Summary
      3. Lesson 4 Practice Problems
      1. 5.1: Number Talk: Fraction Division
      2. 5.2: Stacking Cups
      3. 5.3: Connecting Slope to Rate of Change
      4. Lesson 5 Summary
      5. Glossary
      6. Lesson 5 Practice Problems
      1. 6.1: Growing
      2. 6.2: Slopes, Vertical Intercepts, and Graphs
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      3. Lesson 6 Summary
      4. Glossary
      5. Lesson 6 Practice Problems
      1. 7.1: Estimation: Which Holds More?
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      2. 7.3: Calculate the Slope
      3. Lesson 7 Summary
      4. Lesson 7 Practice Problems
      1. 8.1: Lines that Are Translations
      2. 8.2: Increased Savings
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      3. Lesson 8 Summary
      4. Lesson 8 Practice Problems
      1. 9.1: Which One Doesn’t Belong: Odd Line Out
      2. 9.2: Stand Clear of the Closing Doors, Please
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      3. 9.4: Payback Plan
      4. Lesson 9 Summary
      5. Lesson 9 Practice Problems
      1. 10.1: Number Talk: Integer Operations
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      2. 10.3: Making Designs
      3. Lesson 10 Summary
      4. Lesson 10 Practice Problems
      1. 11.1: Which One Doesn’t Belong: Pairs of Lines
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      2. 11.3: Same Perimeter
      3. Lesson 11 Summary
      4. Lesson 11 Practice Problems
      1. 12.1: Estimate Area
        1. Are you ready for more?
      2. 12.3: Solutions and Everything Else
      3. Lesson 12 Summary
      4. Glossary
      5. Lesson 12 Practice Problems
      1. 13.1: Coordinate Pairs
      2. 13.2: True or False: Solutions in the Coordinate Plane
        1. Are you ready for more?
      3. Lesson 13 Summary
      4. Lesson 13 Practice Problems
      1. 14.1: Buying Fruit
      2. 14.2: Five Savings Accounts
      3. 14.3: Fabulous Fish
    1. Lesson 1: Understanding Proportional Relationships
    2. Lesson 2: Graphs of Proportional Relationships
    3. Lesson 3: Representing Proportional Relationships
    4. Lesson 4: Comparing Proportional Relationships
    5. Lesson 5: Introduction to Linear Relationships
    6. Lesson 6: More Linear Relationships
    7. Lesson 7: Representations of Linear Relationships
    8. Lesson 8: Translating to y=mx+b
    9. Lesson 9: Slopes Don't Have to be Positive
    10. Lesson 10: Calculating Slope
    11. Lesson 11: Equations of All Kinds of Lines
    12. Lesson 12: Solutions to Linear Equations
    13. Lesson 13: More Solutions to Linear Equations
    14. Lesson 14: Using Linear Relations to Solve Problems
  1. Glossary
    1. Image Attributions
  2. Notes
  3. Notes
 
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