- 1.1: Which One Doesn’t Belong: Diagrams
- Are you ready for more?

- Lesson 1 Summary
- Glossary
- Lesson 1 Practice Problems

- 2.1: A Pair of Quadrilaterals
- 2.2: How Did You Make That Move?
- 2.3: Card Sort: Move
- Lesson 2 Summary
- Glossary
- Lesson 2 Practice Problems

- 3.1: Notice and Wonder: The Isometric Grid
- Are you ready for more?

- Are you ready for more?

- Lesson 3 Summary
- Glossary
- Lesson 3 Practice Problems

- 4.1: Translating Coordinates
- 4.2: Reflecting Points on the Coordinate Plane
- Are you ready for more?

- Lesson 4 Summary
- Glossary
- Lesson 4 Practice Problems

- 5.1: Finding a Center of Rotation
- Are you ready for more?

- Lesson 5 Summary
- Lesson 5 Practice Problems

- 6.1: Measuring Segments
- 6.2: Sides and Angles
- Are you ready for more?

- Lesson 6 Summary
- Glossary
- Lesson 6 Practice Problems

- 7.1: Building a Quadrilateral
- Are you ready for more?

- 7.3: A Pattern of Four Triangles
- Lesson 7 Summary
- Lesson 7 Practice Problems

- 8.1: Line Moves
- Are you ready for more?

- 8.3: Let’s Do Some 180’s
- Lesson 8 Summary
- Glossary
- Lesson 8 Practice Problems

- 9.1: Angles of an Isosceles Triangle
- Are you ready for more?

- 9.3: Triangle Plus Two
- 9.4: Triangle ONE Plus
- Lesson 9 Summary
- Lesson 9 Practice Problems

- 10.1: Find the Right Hands
- 10.2: Are They the Same?
- Are you ready for more?

- Lesson 10 Summary
- Glossary
- Lesson 10 Practice Problems

- 11.1: Translated Images
- Are you ready for more?

- 11.3: Corresponding Points in Congruent Figures
- Lesson 11 Summary
- Glossary
- Lesson 11 Practice Problems

- 12.1: Angle Pairs
- Are you ready for more?

- 12.3: Alternate Interior Angles Are Congruent
- 12.4: Info Gap: Angle Finding
- Lesson 12 Summary
- Glossary
- Lesson 12 Practice Problems

- 13.1: Can You Draw It?
- 13.2: Find All Three
- Are you ready for more?

- Lesson 13 Summary
- Glossary
- Lesson 13 Practice Problems

- 14.1: True or False: Computational Relationships
- 14.2: Angle Plus Two
- Are you ready for more?

- 14.4: Four Triangles Revisited
- Lesson 14 Summary
- Lesson 14 Practice Problems

- 15.1: Where Is Lin?
- 15.2: Building Diego’s and Jada’s Shapes
- 15.3: Swinging the Sides Around
- Lesson 15 Summary
- Lesson 15 Practice Problems

- 16.1: 3 Sides; 3 Angles
- 16.2: 2 Sides and 1 Angle
- 16.3: 2 Angles and 1 Side
- Lesson 16 Summary
- Lesson 16 Practice Problems

- 17.1: Using a Compass to Estimate Length
- Are you ready for more?

- Are you ready for more?

- Lesson 17 Summary
- Lesson 17 Practice Problems

- 18.1: Deducing Angle Measures
- 18.2: Tessellate This
- 18.3: Rotate That
- Glossary

- Lesson 1: Moving in the Plane
- Lesson 2: Naming the Moves
- Lesson 3: Making the Moves
- Lesson 4: Coordinate Moves
- Lesson 5: Describing Transformations
- Lesson 6: No Bending or Stretching
- Lesson 7: Rotation Patterns
- Lesson 8: Moves in Parallel
- Lesson 9: Composing Figures
- Lesson 10: What Is the Same?
- Lesson 11: Congruence
- Lesson 12: Alternate Interior Angles
- Lesson 13: Adding the Angles in a Triangle
- Lesson 14: Parallel Lines and the Angles in a Triangle
- Lesson 15: Building Polygons
- Lesson 16: Triangles with 3 Common Measures
- Lesson 17: Drawing Triangles
- Lesson 18: Rotate and Tessellate
- 1.1: Printing Portraits
- 1.2: Scaling F
- Are you ready for more?

- Lesson 1 Summary
- Glossary
- Lesson 1 Practice Problems

- 2.1: Number Talk: Multiplying by a Unit Fraction
- Are you ready for more?

- 2.3: Which Operations? (Part 1)
- Are you ready for more?

- Lesson 2 Summary
- Glossary
- Lesson 2 Practice Problems

- 3.1: Three Quadrilaterals (Part 1)
- 3.2: Three Quadrilaterals (Part 2)
- Are you ready for more?

- 3.4: Scaling A Puzzle
- Lesson 3 Summary
- Lesson 3 Practice Problems

- 4.1: What is a Scale Drawing?
- 4.2: Sizing Up a Basketball Court
- Are you ready for more?

- Lesson 4 Summary
- Glossary
- Lesson 4 Practice Problems

- 5.1: Number Talk: Which is Greater?
- Are you ready for more?

- 5.3: Two Maps of Utah
- Lesson 5 Summary
- Lesson 5 Practice Problems

- 6.1: Appropriate Measurements
- Are you ready for more?

- 6.3: A New Drawing of the Playground
- Lesson 6 Summary
- Lesson 6 Practice Problems

- 7.1: One to One Hundred
- Are you ready for more?

- 7.3: The World’s Largest Flag
- Lesson 7 Summary
- Lesson 7 Practice Problems

- 8.1: Number Talk: Remembering Fraction Division
- Are you ready for more?

- 8.3: Scaled Rectangles
- Lesson 8 Summary
- Glossary
- Lesson 8 Practice Problems

- 9.1: Notice and Wonder: Concentric Circles
- Are you ready for more?

- Are you ready for more?

- Lesson 9 Summary
- Glossary
- Lesson 9 Practice Problems

- 10.1: Dilations on a Grid
- Are you ready for more?

- Are you ready for more?

- Lesson 10 Summary
- Lesson 10 Practice Problems

- 11.1: Equivalent Expressions
- Are you ready for more?

- 11.3: Similarity Transformations (Part 2)
- 11.4: Methods for Translations and Dilations
- Lesson 11 Summary
- Glossary
- Lesson 11 Practice Problems

- 12.1: All, Some, None: Congruence and Similarity
- Are you ready for more?

- Are you ready for more?

- Lesson 12 Summary
- Lesson 12 Practice Problems

- 13.1: Equivalent Expressions
- Are you ready for more?

- Are you ready for more?

- Lesson 13 Summary
- Lesson 13 Practice Problems

- 14.1: Two-three-four and Four-five-six
- Are you ready for more?

- 14.3: Using Side Quotients to Find Side Lengths of Similar Triangles
- Lesson 14 Summary
- Lesson 14 Practice Problems

- 15.1: Equal Quotients
- 15.2: Similar Triangles on the Same Line
- Are you ready for more?

- 15.4: Different Slopes of Different Lines
- Lesson 15 Summary
- Glossary
- Lesson 15 Practice Problems

- 16.1: Coordinates and Lengths in the Coordinate Plane
- 16.2: What We Mean by an Equation of a Line
- Are you ready for more?

- Lesson 16 Summary
- Lesson 16 Practice Problems

- 17.1: Missing center
- Are you ready for more?

- 17.3: Dilations and Slope Triangles
- Lesson 17 Summary
- Lesson 17 Practice Problems

- 18.1: Which Measurements Matter?
- 18.2: Creating a Floor Plan (Part 1)
- Are you ready for more?

- 18.4: Creating a Floor Plan (Part 3)

- 19.1: Notice and Wonder: Long Shadows and Short Shadows
- 19.2: Objects and Shadows
- 19.3: Justifying the Relationship
- 19.4: The Height of a Tall Object

- Lesson 1: What are Scaled Copies?
- Lesson 2: Scale Factors and Making Scaled Copies
- Lesson 3: Scaled Relationships
- Lesson 4: Scale Drawings
- Lesson 5: Creating Scale Drawings
- Lesson 6: Changing Scales in Scale Drawings
- Lesson 7: Units in Scale Drawings
- Lesson 8: Projecting and Scaling
- Lesson 9: Dilations
- Lesson 10: Dilations on a Square Grid
- Lesson 11: Similarity
- Lesson 12: Similar Polygons
- Lesson 13: Similar Triangles
- Lesson 14: Side Length Quotients in Similar Triangles
- Lesson 15: Meet Slope
- Lesson 16: Writing Equations for Lines
- Lesson 17: Using Equations for Lines
- Lesson 18: Draw It to Scale
- Lesson 19: The Shadow Knows

- Glossary
- Image Attributions

- Notes
- Notes