# 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
1. Are you ready for more?
2. Lesson 3 Summary
3. Glossary
4. Lesson 3 Practice Problems
1. 4.1: Reflection Quick Image
2. 4.2: Make That Move
1. Are you ready for more?
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
1. Are you ready for more?
3. Lesson 5 Summary
4. Glossary
5. Lesson 5 Practice Problems
1. 6.1: Finding a Center of Rotation
1. Are you ready for more?
2. Lesson 6 Summary
3. Lesson 6 Practice Problems
1. 7.1: Measuring Segments
2. 7.2: Sides and Angles
1. Are you ready for more?
3. Lesson 7 Summary
4. Glossary
5. Lesson 7 Practice Problems
1. Are you ready for more?
2. 8.3: A Pattern of Four Triangles
3. Lesson 8 Summary
4. Lesson 8 Practice Problems
1. 9.1: Line Moves
1. Are you ready for more?
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
1. Are you ready for more?
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)
1. Are you ready for more?
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
1. Are you ready for more?
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
1. Are you ready for more?
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
1. Are you ready for more?
3. Lesson 3 Summary
4. Lesson 3 Practice Problems
1. 4.1: Estimating a Scale Factor
2. 4.2: Dilations on a Grid
1. Are you ready for more?
3. Lesson 4 Summary
4. Lesson 4 Practice Problems
1. 5.1: Many Dilations of a Triangle
1. Are you ready for more?
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
1. Are you ready for more?
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
1. Are you ready for more?
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
1. Are you ready for more?
3. Lesson 11 Summary
4. Lesson 11 Practice Problems
1. 12.1: Missing center
1. Are you ready for more?
2. 12.3: Dilations and Slope Triangles
3. Lesson 12 Summary
4. Lesson 12 Practice Problems
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
1. Are you ready for more?
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
1. Are you ready for more?
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
1. Are you ready for more?
3. Lesson 6 Summary
4. Glossary
5. Lesson 6 Practice Problems
1. 7.1: Estimation: Which Holds More?
1. Are you ready for more?
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
1. Are you ready for more?
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
1. Are you ready for more?
3. 9.4: Payback Plan
4. Lesson 9 Summary
5. Lesson 9 Practice Problems
1. 10.1: Number Talk: Integer Operations
1. Are you ready for more?
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
1. Are you ready for more?
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
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