# Contents

1. 1.1: Notice and Wonder: A Number Line
2. 1.2: Telling Temperatures
1. Are you ready for more?
3. Lesson 1 Summary
4. Lesson 1 Practice Problems
1. 2.1: Notice and Wonder: Hanging Socks
2. 2.2: Hanging Blocks
1. Are you ready for more?
3. Lesson 2 Summary
4. Lesson 2 Practice Problems
1. 3.1: Matching Hangers
2. 3.2: Matching Equation Moves
1. Are you ready for more?
3. Lesson 3 Summary
4. Lesson 3 Practice Problems
1. 4.1: Different Equations?
2. 4.2: Step by Step by Step by Step
1. Are you ready for more?
3. Lesson 4 Summary
4. Lesson 4 Practice Problems
1. 5.1: Equation Talk
3. 5.3: A Puzzling Puzzle
4. Lesson 5 Summary
5. Glossary
6. Lesson 5 Practice Problems
1. 6.1: Equal Perimeters
2. 6.2: Predicting Solutions
1. Are you ready for more?
3. Lesson 6 Summary
4. Lesson 6 Practice Problems
1. 7.1: Which One Doesn’t Belong: Equations
1. Are you ready for more?
2. 7.3: What's the Equation?
3. Lesson 7 Summary
4. Lesson 7 Practice Problems
1. 8.1: Matching Solutions
2. 8.2: Thinking About Solutions Some More
1. Are you ready for more?
3. Lesson 8 Summary
4. Glossary
5. Lesson 8 Practice Problems
1. 9.1: Which Would You Choose?
2. 9.2: Water Tanks
1. Are you ready for more?
3. Lesson 9 Summary
4. Lesson 9 Practice Problems
1. 10.1: Which One Doesn’t Belong: Lines in the Plane
2. 10.2: Pocket Full of Change
1. Are you ready for more?
3. Lesson 10 Summary
4. Lesson 10 Practice Problems
1. 11.1: Notice and Wonder: Bugs Passing in the Night
2. 11.2: Bugs Passing in the Night, Continued
3. 11.3: A Close Race
4. Lesson 11 Summary
5. Lesson 11 Practice Problems
1. 12.1: Milkshakes
2. 12.2: Passing on the Trail
3. 12.3: Stacks of Cups
4. Lesson 12 Summary
5. Glossary
6. Lesson 12 Practice Problems
1. 13.1: True or False: Two Lines
2. 13.2: Matching Graphs to Systems
1. Are you ready for more?
3. Lesson 13 Summary
4. Lesson 13 Practice Problems
1. 14.1: Algebra Talk: Solving Systems Mentally
2. 14.2: Challenge Yourself
1. Are you ready for more?
3. Lesson 14 Summary
4. Lesson 14 Practice Problems
1. 15.1: How Many Solutions? Matching
2. 15.2: Situations and Systems
3. 15.3: Info Gap: Racing and Play Tickets
4. 15.4: Solving Systems Practice
5. Lesson 15 Summary
6. Lesson 15 Practice Problems
1. 16.1: Are We There Yet?
1. Are you ready for more?
1. Lesson 1: Number Puzzles
2. Lesson 2: Keeping the Equation Balanced
3. Lesson 3: Balanced Moves
4. Lesson 4: More Balanced Moves
5. Lesson 5: Solving Any Linear Equation
6. Lesson 6: Strategic Solving
7. Lesson 7: All, Some, or No Solutions
8. Lesson 8: How Many Solutions?
9. Lesson 9: When Are They the Same?
10. Lesson 10: On or Off the Line?
11. Lesson 11: On Both of the Lines
12. Lesson 12: Systems of Equations
13. Lesson 13: Solving Systems of Equations
14. Lesson 14: Solving More Systems
15. Lesson 15: Writing Systems of Equations
16. Lesson 16: Solving Problems with Systems of Equations
1. 1.1: Dividing by 0
1. Are you ready for more?
2. 1.3: Making Tables
3. Lesson 1 Summary
4. Lesson 1 Practice Problems
1. 2.1: Square Me
2. 2.2: You Know This, Do You Know That?
3. 2.3: Using Function Language
1. Are you ready for more?
4. Lesson 2 Summary
5. Glossary
6. Lesson 2 Practice Problems
1. 3.1: A Square’s Area
1. Are you ready for more?
2. 3.3: Dimes and Quarters
3. Lesson 3 Summary
4. Glossary
5. Lesson 3 Practice Problems
1. 4.1: Notice and Wonder: Doubling Back
1. Are you ready for more?
2. 4.3: Running around a Track
3. Lesson 4 Summary
4. Lesson 4 Practice Problems
1. 5.1: Which One Doesn’t Belong: Graphs
2. 5.2: Time and Temperature
1. Are you ready for more?
3. Lesson 5 Summary
4. Lesson 5 Practice Problems
1. 6.1: Dog Run
2. 6.2: Which Graph is It?
1. Are you ready for more?
3. Lesson 6 Summary
4. Lesson 6 Practice Problems
1. 7.1: Which are the Same? Which are Different?
2. 7.2: Comparing Temperatures
1. Are you ready for more?
3. 7.4: It’s Not a Race
4. Lesson 7 Summary
5. Glossary
6. Lesson 7 Practice Problems
1. 8.1: Bigger and Smaller
2. 8.2: Proportional Relationships Define Linear Functions
1. Are you ready for more?
3. 8.4: Which is Growing Faster?
4. Lesson 8 Summary
5. Lesson 8 Practice Problems
1. 9.1: Candlelight
3. 9.3: Recycling
4. Lesson 9 Summary
5. Lesson 9 Practice Problems
1. 10.1: Notice and Wonder: Lines on Dots
2. 10.2: Modeling Recycling
3. 10.3: Dog Bath
1. Are you ready for more?
4. Lesson 10 Summary
5. Lesson 10 Practice Problems
1. 11.1: Which One Doesn’t Belong: Solids
2. 11.2: Height and Volume
1. Are you ready for more?
3. Lesson 11 Summary
4. Glossary
5. Lesson 11 Practice Problems
1. 12.1: Two Containers
1. Are you ready for more?
3. Lesson 12 Summary
4. Glossary
5. Lesson 12 Practice Problems
1. 13.1: A Circle's Dimensions
1. Are you ready for more?
2. 13.3: A Cylinder's Dimensions
1. Are you ready for more?
3. Lesson 13 Summary
4. Lesson 13 Practice Problems
1. 14.1: A Cylinder of Unknown Height
1. Are you ready for more?
2. 14.3: Cylinders with Unknown Dimensions
3. Lesson 14 Summary
4. Lesson 14 Practice Problems
1. 15.1: Which Has a Larger Volume?
2. 15.2: From Cylinders to Cones
1. Are you ready for more?
3. Lesson 15 Summary
4. Lesson 15 Practice Problems
1. 16.1: Number Talk: Thirds
1. Are you ready for more?
3. 16.4: Popcorn Deals
4. Lesson 16 Summary
5. Lesson 16 Practice Problems
1. 17.1: Driving the Distance
2. 17.2: Double the Edge
1. Are you ready for more?
3. 17.4: Figuring Out Cone Dimensions
4. Lesson 17 Summary
5. Lesson 17 Practice Problems
1. 18.1: Tripling Statements
1. Are you ready for more?
2. 18.3: Playing with Cones
3. Lesson 18 Summary
4. Lesson 18 Practice Problems
1. 19.1: Notice and Wonder: Two Shapes
2. 19.2: Hemispheres in Boxes
1. Are you ready for more?
3. Lesson 19 Summary
4. Lesson 19 Practice Problems
1. 20.1: Sketch a Sphere
2. 20.2: A Sphere in a Cylinder
3. 20.3: Spheres in Cylinders
4. Lesson 20 Summary
5. Lesson 20 Practice Problems
1. 21.1: Sphere Arguments
3. 21.3: Info Gap: Unknown Dimensions
1. Are you ready for more?
4. Lesson 21 Summary
5. Lesson 21 Practice Problems
1. 22.1: Missing Information?
2. 22.2: Scaling Volume of a Sphere
3. 22.3: A Cylinder, a Cone, and a Sphere
1. Lesson 1: Inputs and Outputs
2. Lesson 2: Introduction to Functions
3. Lesson 3: Equations for Functions
4. Lesson 4: Tables, Equations, and Graphs of Functions
5. Lesson 5: More Graphs of Functions
6. Lesson 6: Even More Graphs of Functions
7. Lesson 7: Connecting Representations of Functions
8. Lesson 8: Linear Functions
9. Lesson 9: Linear Models
10. Lesson 10: Piecewise Linear Functions
11. Lesson 11: Filling Containers
12. Lesson 12: How Much Will Fit?
13. Lesson 13: The Volume of a Cylinder
14. Lesson 14: Finding Cylinder Dimensions
15. Lesson 15: The Volume of a Cone
16. Lesson 16: Finding Cone Dimensions
17. Lesson 17: Scaling One Dimension
18. Lesson 18: Scaling Two Dimensions
19. Lesson 19: Estimating a Hemisphere
20. Lesson 20: The Volume of a Sphere
21. Lesson 21: Cylinders, Cones, and Spheres
22. Lesson 22: Volume As a Function of . . .
1. 1.1: Notice and Wonder: Messy Data
1. Are you ready for more?
2. 1.3: Tables and Their Scatter Plots
3. Lesson 1 Summary
4. Glossary
5. Lesson 1 Practice Problems
1. 2.1: Representing Data
2. 2.2: Gathering Data
1. Are you ready for more?
3. Lesson 2 Summary
4. Lesson 2 Practice Problems
1. 3.1: The Giant Panda
1. Are you ready for more?
2. 3.3: Coat Sales
3. Lesson 3 Summary
4. Lesson 3 Practice Problems
1. 4.1: Predict This
2. 4.2: Shine Bright
3. 4.3: The Agony of the Feet
4. Lesson 4 Summary
5. Glossary
6. Lesson 4 Practice Problems
1. 5.1: Which One Doesn’t Belong: Scatter Plots
2. 5.2: Fitting Lines
3. 5.3: Good Fit Bad Fit
1. Are you ready for more?
4. Lesson 5 Summary
5. Glossary
6. Lesson 5 Practice Problems
1. 6.1: Estimating Slope
2. 6.2: Describing Linear Associations
1. Are you ready for more?
3. 6.4: Positive or Negative?
4. Lesson 6 Summary
5. Lesson 6 Practice Problems
1. 7.1: Notice and Wonder: Nonlinear Scatter Plot
2. 7.2: Scatter Plot City
3. 7.3: Clustering
4. Lesson 7 Summary
5. Lesson 7 Practice Problems
1. 8.1: Speed vs. Step Length
1. Are you ready for more?
2. 8.3: Equal Body Dimensions
3. Lesson 8 Summary
4. Lesson 8 Practice Problems
1. 9.1: Notice and Wonder: Bar Association
1. Are you ready for more?
1. Are you ready for more?
2. Lesson 9 Summary
3. Glossary
4. Lesson 9 Practice Problems
1. 10.1: Sports and Musical Instruments
2. 10.2: Sports and Music Association
1. Are you ready for more?
3. Lesson 10 Summary
4. Lesson 10 Practice Problems
1. 11.1: Measuring 30 Seconds
1. Lesson 1: Organizing Data
2. Lesson 2: Plotting Data
3. Lesson 3: What a Point in a Scatter Plot Means
4. Lesson 4: Fitting a Line to Data
5. Lesson 5: Describing Trends in Scatter Plots
6. Lesson 6: The Slope of a Fitted Line
7. Lesson 7: Observing More Patterns in Scatter Plots
8. Lesson 8: Analyzing Bivariate Data
9. Lesson 9: Looking for Associations
10. Lesson 10: Using Data Displays to Find Associations
11. Lesson 11: Gone In 30 Seconds
1. Glossary