Unit 2

Section A: Scaled Copies

• Lesson 1: What are Scaled Copies?

  Let’s explore scaled copies.

  • Lesson Activities
  • Practice Problems

• Lesson 2: Scale Factors and Making Scaled Copies

  Let’s draw scaled copies.

  • Lesson Activities
  • Practice Problems

• Lesson 3: Scaled Relationships

  Let’s find relationships between scaled copies.

  • Lesson Activities
  • Practice Problems

Section B: Scale Drawings

• Lesson 4: Scale Drawings

  Let’s explore scale drawings.

  • Lesson Activities
  • Practice Problems

• Lesson 5: Creating Scale Drawings

  Let’s create our own scale drawings.

  • Lesson Activities
  • Practice Problems

• Lesson 6: Changing Scales in Scale Drawings

  Let’s explore different scale drawings of the same actual thing.

  • Lesson Activities
  • Practice Problems

• Lesson 7: Units in Scale Drawings

  Let’s explore a different way to express scales.

  • Lesson Activities
  • Practice Problems

Section C: Dilations

• Lesson 8: Projecting and Scaling

  Let’s explore scaling.

  • Lesson Activities
  • Practice Problems

• Lesson 9: Dilations

  Let’s dilate figures.

  • Lesson Activities
  • Practice Problems

• Lesson 10: Dilations on a Square Grid

  Let’s dilate figures on a square grid.

  • Lesson Activities
  • Practice Problems

Section D: Similarity

• Lesson 11: Similarity

  Let’s explore similar figures.

  • Lesson Activities
  • Practice Problems

• Lesson 12: Similar Polygons

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

  • Lesson Activities
  • Practice Problems

• Lesson 13: Similar Triangles

  Let’s look at similar triangles.

  • Lesson Activities
  • Practice Problems

• Lesson 14: Side Length Quotients in Similar Triangles

  Let’s find missing side lengths in triangles.

  • Lesson Activities
  • Practice Problems

Section E: Slope

• Lesson 15: Meet Slope

  Let’s learn about the slope of a line.

  • Lesson Activities
  • Practice Problems

• Lesson 16: 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 17: Using Equations for Lines

  Let’s write equations for lines.

  • Lesson Activities
  • Practice Problems

Section F: Let’s Put It to Work

• Optional

  Lesson 18: Draw It to Scale

  Let’s draw a floor plan.

  • Lesson Activities
• Optional

  Lesson 19: The Shadow Knows

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

  • Lesson Activities