Lesson Plan

The Scaling Principle for Area

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As they investigate scaling figures and calculate the resulting areas, groups determine the area of similar figures. They continue to investigate the results when the vertical and horizontal scales are not equal. 

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Use examples with numerical measurements for those that have a hard time visualizing areas resulting from variable measurements
  • Create jigsaw groups for the exploratory challenge
Classroom Considerations
  • Individuals should be familiar with scale factors and similar figures
  • The third module in a 14-part series
Pros
  • The provided follow-up questions have sample responses
  • The resource includes a problem set that can be used as independent practice along with answers
Cons
  • None
Common Core