Lesson Plan

3. Scale drawings can be the same size, larger, or smaller than the original (A)

teaches Common Core State Standards CCSS.Math.Content.7.G.A.1 http://corestandards.org/Math/Content/7/G/A/1
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4
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Lesson objective: Apply scale factors to determine distances on a map given actual distances.

This lesson provides an opportunity for students to apply their knowledge and understanding of scale drawings to a real-life situation. Students are asked to determine a scale drawing and use it to create a map for a student to give to her grandparents.

Key Concept students will use: 

  • Scale drawings may be larger, smaller, or the same size as an original drawing.

Skills students will use:

  • Proportional relationships ( Grade 7, Unit 1)
  • Unit conversions (Grade 4, Unit 6)

Students engage in Mathematical Practice 4 (Model with mathematics) as they create an actual map given information about a real-life situation.

Key vocabulary: 

  • original figure
  • proportional
  • scale drawing
  • scale factor

Special materials needed:

  • Optional: Large sheets of paper to create maps. 
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