- 1.1: Notice and Wonder: Three Tables
- 1.2: Measuring a Garden
- Are you ready for more?

- Lesson 1 Summary
- Lesson 1 Practice Problems

- 2.1: Squares in a Figure
- 2.2: Patterns of Dots
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- Lesson 2 Summary
- Glossary
- Lesson 2 Practice Problems

- 3.1: Quadratic Expressions and Area
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- 3.3: Growing Steps
- Lesson 3 Summary
- Glossary
- Lesson 3 Practice Problems

- 4.1: From Least to Greatest
- 4.2: Which One Grows Faster?
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- Lesson 4 Summary
- Lesson 4 Practice Problems

- 5.1: Notice and Wonder: An Interesting Numerical Pattern
- 5.2: Falling from the Sky
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- Lesson 5 Summary
- Lesson 5 Practice Problems

- 6.1: Sky Bound
- 6.2: Tracking a Cannonball
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- Lesson 6 Summary
- Glossary
- Lesson 6 Practice Problems

- 7.1: Which One Doesn’t Belong: Graphs of Four Functions
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- 7.3: Domain, Vertex, and Zeros
- Lesson 7 Summary
- Lesson 7 Practice Problems

- 8.1: Diagrams of Products
- 8.2: Drawing Diagrams to Represent More Products
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- Lesson 8 Summary
- Lesson 8 Practice Problems

- 9.1: Math Talk: Opposites Attract
- 9.2: Finding Products of Differences
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- Lesson 9 Summary
- Glossary
- Lesson 9 Practice Problems

- 10.1: A Linear Equation and Its Graph
- 10.2: Revisiting Projectile Motion
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- Lesson 10 Summary
- Lesson 10 Practice Problems

- 11.1: Finding Coordinates
- 11.2: Comparing Two Graphs
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- Lesson 11 Summary
- Lesson 11 Practice Problems

- 12.1: Matching Graphs to Linear Equations
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- 12.3: What Do These Tables Reveal?
- 12.4: Card Sort: Representations of Quadratic Functions
- Lesson 12 Summary
- Lesson 12 Practice Problems

- 13.1: Equivalent Expressions
- 13.2: What about the Linear Term?
- 13.3: Writing Equations to Match Graphs
- Lesson 13 Summary
- Lesson 13 Practice Problems

- 14.1: A Jumping Frog
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- 14.3: Flight of Two Baseballs
- 14.4: Info Gap: Rocket Math
- Lesson 14 Summary
- Lesson 14 Practice Problems

- 15.1: Notice and Wonder: Two Sets of Equations
- 15.2: A Whole New Form
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- Lesson 15 Summary
- Glossary
- Lesson 15 Practice Problems

- 16.1: Which Form to Use?
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- 16.3: Card Sort: Matching Equations with Graphs
- Lesson 16 Summary
- Lesson 16 Practice Problems

- 17.1: Graphs of Two Functions
- 17.2: Shifting the Graph
- 17.3: A Peanut Jumping over a Wall
- 17.4: Smiley Face
- Lesson 17 Summary
- Lesson 17 Practice Problems

- Lesson 1: A Different Kind of Change
- Lesson 2: How Does it Change?
- Lesson 3: Building Quadratic Functions from Geometric Patterns
- Lesson 4: Comparing Quadratic and Exponential Functions
- Lesson 5: Building Quadratic Functions to Describe Situations (Part 1)
- Lesson 6: Building Quadratic Functions to Describe Situations (Part 2)
- Lesson 7: Building Quadratic Functions to Describe Situations (Part 3)
- Lesson 8: Equivalent Quadratic Expressions
- Lesson 9: Standard Form and Factored Form
- Lesson 10: Graphs of Functions in Standard and Factored Forms
- Lesson 11: Graphing from the Factored Form
- Lesson 12: Graphing the Standard Form (Part 1)
- Lesson 13: Graphing the Standard Form (Part 2)
- Lesson 14: Graphs That Represent Situations
- Lesson 15: Vertex Form
- Lesson 16: Graphing from the Vertex Form
- Lesson 17: Changing the Vertex
- 1.1: What Goes Up Must Come Down
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- 1.3: Representing the Framing Problem
- Lesson 1 Summary
- Glossary
- Lesson 1 Practice Problems

- 2.1: How Many Tickets?
- 2.2: The Flying Potato Again
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- Lesson 2 Summary
- Glossary
- Lesson 2 Practice Problems

- 3.1: How Many Solutions?
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- Lesson 3 Summary
- Lesson 3 Practice Problems

- 4.1: Math Talk: Solve These Equations
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- 4.3: Revisiting a Projectile
- Lesson 4 Summary
- Glossary
- Lesson 4 Practice Problems

- 5.1: Math Talk: Four Equations
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- 5.3: Finding All the Solutions
- 5.4: Analyzing Errors in Equation Solving
- Lesson 5 Summary
- Lesson 5 Practice Problems

- 6.1: Puzzles of Rectangles
- 6.2: Using Diagrams to Understand Equivalent Expressions
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- Lesson 6 Summary
- Glossary
- Lesson 6 Practice Problems

- 7.1: Sums and Products
- 7.2: Negative Constant Terms
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- Lesson 7 Summary
- Lesson 7 Practice Problems

- 8.1: Math Talk: Products of Large-ish Numbers
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- 8.3: What If There is No Linear Term?
- Lesson 8 Summary
- Lesson 8 Practice Problems

- 9.1: Why Would You Do That?
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- 9.3: Revisiting Quadratic Equations with Only One Solution
- Lesson 9 Summary
- Lesson 9 Practice Problems

- 10.1: Which One Doesn’t Belong: Quadratic Expressions
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- 10.3: Timing A Blob of Water
- 10.4: Making It Simpler
- Lesson 10 Summary
- Lesson 10 Practice Problems

- 11.1: The Thing We Are Squaring
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- 11.3: Two Methods
- Lesson 11 Summary
- Glossary
- Lesson 11 Practice Problems

- 12.1: Perfect or Imperfect?
- 12.2: Building Perfect Squares
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- Lesson 12 Summary
- Glossary
- Lesson 12 Practice Problems

- 13.1: Math Talk: Equations with Fractions
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- 13.3: Spot Those Errors!
- Lesson 13 Summary
- Lesson 13 Practice Problems

- 14.1: Perfect Squares in Two Forms
- 14.2: Perfect in A Different Way
- 14.3: When All the Stars Align
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- Lesson 14 Summary
- Lesson 14 Practice Problems

- 15.1: Roots of Squares
- 15.2: Solutions Written as Square Roots
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- Lesson 15 Summary
- Glossary
- Lesson 15 Practice Problems

- 16.1: Evaluate It
- 16.2: Pesky Equations
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- Lesson 16 Summary
- Glossary
- Lesson 16 Practice Problems

- 17.1: No Solutions for You!
- 17.2: The Potato and the Pumpkin
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- Lesson 17 Summary
- Lesson 17 Practice Problems

- 18.1: Bits and Pieces
- 18.2: Using the Formula with Care
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- Lesson 18 Summary
- Lesson 18 Practice Problems

- 19.1: Studying Structure
- 19.2: Complete the Square using a Placeholder
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- Lesson 19 Summary
- Lesson 19 Practice Problems

- 20.1: Rational or Irrational?
- 20.2: Suspected Irrational Solutions
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- Lesson 20 Summary
- Lesson 20 Practice Problems

- 21.1: Operations on Integers
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- 21.3: Sums and Products of Rational and Irrational Numbers
- 21.4: Equations with Different Kinds of Solutions
- Lesson 21 Summary
- Lesson 21 Practice Problems

- 22.1: Three Expressions, One Function
- 22.2: Back and Forth
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- 22.4: Info Gap: Features of Functions
- Lesson 22 Summary
- Glossary
- Lesson 22 Practice Problems

- 23.1: Values of a Function
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- 23.3: All the World’s a Stage
- Lesson 23 Summary
- Glossary
- Lesson 23 Practice Problems

- 24.1: Equations of Two Lines and A Curve
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- 24.3: A Linear Function and A Quadratic Function
- Lesson 24 Summary
- Lesson 24 Practice Problems

- Lesson 1: Finding Unknown Inputs
- Lesson 2: When and Why Do We Write Quadratic Equations?
- Lesson 3: Solving Quadratic Equations by Reasoning
- Lesson 4: Solving Quadratic Equations with the Zero Product Property
- Lesson 5: How Many Solutions?
- Lesson 6: Rewriting Quadratic Expressions in Factored Form (Part 1)
- Lesson 7: Rewriting Quadratic Expressions in Factored Form (Part 2)
- Lesson 8: Rewriting Quadratic Expressions in Factored Form (Part 3)
- Lesson 9: Solving Quadratic Equations by Using Factored Form
- Lesson 10: Rewriting Quadratic Expressions in Factored Form (Part 4)
- Lesson 11: What are Perfect Squares?
- Lesson 12: Completing the Square (Part 1)
- Lesson 13: Completing the Square (Part 2)
- Lesson 14: Completing the Square (Part 3)
- Lesson 15: Quadratic Equations with Irrational Solutions
- Lesson 16: The Quadratic Formula
- Lesson 17: Applying the Quadratic Formula (Part 1)
- Lesson 18: Applying the Quadratic Formula (Part 2)
- Lesson 19: Deriving the Quadratic Formula
- Lesson 20: Rational and Irrational Solutions
- Lesson 21: Sums and Products of Rational and Irrational Numbers
- Lesson 22: Rewriting Quadratic Expressions in Vertex Form
- Lesson 23: Using Quadratic Expressions in Vertex Form to Solve Problems
- Lesson 24: Using Quadratic Equations to Model Situations and Solve Problems

- Glossary
- Image Attributions

- Notes
- Notes