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