Unit 2

Section A: Dilations

• Lesson 1: Projecting and Scaling

  Let’s explore scaling.

  • Lesson Activities
  • Practice Problems

• Lesson 2: Circular Grid

  Let’s dilate figures on circular grids.

  • Lesson Activities
  • Practice Problems

• Lesson 3: Dilations with no Grid

  Let’s dilate figures not on grids.

  • Lesson Activities
  • Practice Problems

• Lesson 4: Dilations on a Square Grid

  Let’s dilate figures on a square grid.

  • Lesson Activities
  • Practice Problems

• Lesson 5: More Dilations

  Let’s look at dilations in the coordinate plane.

  • Lesson Activities
  • Practice Problems

Section B: Similarity

• Lesson 6: Similarity

  Let’s explore similar figures.

  • Lesson Activities
  • Practice Problems

• Lesson 7: Similar Polygons

  Let’s look at sides and angles of similar polygons.

  • Lesson Activities
  • Practice Problems

• Lesson 8: Similar Triangles

  Let’s look at similar triangles.

  • Lesson Activities
  • Practice Problems

• Lesson 9: Side Length Quotients in Similar Triangles

  Let’s find missing side lengths in triangles.

  • Lesson Activities
  • Practice Problems

Section C: Slope

• Lesson 10: Meet Slope

  Let’s learn about the slope of a line.

  • Lesson Activities
  • Practice Problems

• Lesson 11: Writing Equations for Lines

  Let’s explore the relationship between points on a line and the slope of the line.

  • Lesson Activities
  • Practice Problems

• Lesson 12: Using Equations for Lines

  Let’s write equations for lines.

  • Lesson Activities
  • Practice Problems

Section D: Let’s Put It to Work

• Optional

  Lesson 13: The Shadow Knows

  Let’s use shadows to find the heights of an object.

  • Lesson Activities