Unit 5

Section A: Proportional Relationships

• Lesson 1: Understanding Proportional Relationships

  Let’s study some graphs.

  • Lesson Activities
  • Practice Problems

• Lesson 2: Representing Proportional Relationships

  Let’s graph proportional relationships.

  • Lesson Activities
  • Practice Problems

• Lesson 3: Comparing Proportional Relationships

  Let’s compare proportional relationships.

  • Lesson Activities
  • Practice Problems

Section B: Representing Linear Relationships

• Lesson 4: Introduction to Linear Relationships

  Let’s explore some relationships between two variables.

  • Lesson Activities
  • Practice Problems

• Lesson 5: More Linear Relationships

  Let’s explore some more relationships between two variables.

  • Lesson Activities
  • Practice Problems

• Lesson 6: Representations of Linear Relationships

  Let’s write equations from real situations.

  • Lesson Activities
  • Practice Problems

• Lesson 7: Translating to y=mx+b

  Let’s see what happens to the equations of translated lines.

  • Lesson Activities
  • Practice Problems

Section C: Finding Slopes and Linear Equations

• Lesson 8: Slopes Don’t Have to be Positive

  Let’s find out what a negative slope means.

  • Lesson Activities
  • Practice Problems

• Lesson 9: Slopes and Equations for All Kinds of Lines

  Let’s figure out the slope and equations for all kinds of lines.

  • Lesson Activities
  • Practice Problems

• Lesson 10: Solutions to Linear Equations

  Let’s think about what it means to be a solution to a linear equation with two variables in it.

  • Lesson Activities
  • Practice Problems

• Lesson 11: More Solutions to Linear Equations

  Let’s find solutions to more linear equations.

  • Lesson Activities
  • Practice Problems

Section D: Systems of Linear Equations

• Lesson 12: On Both of the Lines

  Let’s use lines to think about situations.

  • Lesson Activities
  • Practice Problems

• Lesson 13: Systems of Equations

  Let’s learn what a system of equations is.

  • Lesson Activities
  • Practice Problems

• Lesson 14: Solving Systems of Equations

  Let’s solve systems of equations.

  • Lesson Activities
  • Practice Problems

• Lesson 15: Solving More Systems

  Let’s solve systems of equations.

  • Lesson Activities
  • Practice Problems

• Lesson 16: Writing Systems of Equations

  Let’s write systems of equations from real-world situations.

  • Lesson Activities
  • Practice Problems

Section E: Associations in Numerical Data

• Lesson 17: Organizing Data

  Let’s find ways to show patterns in data.

  • Lesson Activities
  • Practice Problems

• Lesson 18: What a Point in a Scatter Plot Means

  Let’s investigate points in scatter plots.

  • Lesson Activities
  • Practice Problems

• Lesson 19: Fitting a Line to Data

  Let’s look at the scatter plots as a whole.

  • Lesson Activities
  • Practice Problems

• Lesson 20: Describing Trends in Scatter Plots

  Let’s look for associations between variables.

  • Lesson Activities
  • Practice Problems

• Lesson 21: The Slope of a Fitted Line

  Let’s look at how changing one variable changes another.

  • Lesson Activities
  • Practice Problems

• Lesson 22: Observing More Patterns in Scatter Plots

  Let’s look for other patterns in data.

  • Lesson Activities
  • Practice Problems

Section F: Associations in Categorical Data

• Optional

  Lesson 23: Looking for Associations

  Let’s look for associations in data.

  • Lesson Activities
  • Practice Problems
• Optional

  Lesson 24: Using Data Displays to Find Associations

  Let’s use data displays to find associations.

  • Lesson Activities
  • Practice Problems

Section G: Let’s Put It to Work

• Optional

  Lesson 25: Using Linear Relations to Solve Problems

  Let’s write equations for real-world situations and think about their solutions.

  • Lesson Activities
• Optional

  Lesson 26: Solving Problems with Systems of Equations

  Let’s solve some gnarly problems.

  • Lesson Activities
• Optional

  Lesson 27: Gone in 30 Seconds

  Let’s gather and analyze some timing data.

  • Lesson Activities