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. 

Concepts

area, area of polygons, scale

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Additional Tags

math

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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

HSG-GMD.A.1 MP3 MP8