Grade 7 Mathematics Module 1, Topic D, Lesson 18

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Student Outcomes

  • Given a scale drawing, students compute the lengths in the actual picture using the scale.  Students identify the scale factor in order to make intuitive comparisons of size then devise a strategy for efficiently finding actual lengths using the scale.

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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...

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