Grade 7 Mathematics Module 4, Topic C, Lesson 12

girl at desk


  • Given a scale factor as a percent, students make a scale drawing of a picture or geometric figure using that scale, recognizing that the enlarged or reduced distances in a scale drawing are proportional to the corresponding distances in the original picture.
  • Students understand scale factor to be the constant of proportionality.
  • Students make scale drawings in which the horizontal and vertical scales are different.

Downloadable Resources

Common Core Learning Standards

CCLS State Standard
7.RP.2.b Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and...
7.G.1 Solve problems involving scale drawings of geometric figures, including computing actual lengths...

Curriculum Map