Area and Circumference 2

Use scale factors to find areas of circles. Pupils delve deeper into the informal argument for the formula of the area of a circle. The scholars show the relationships of areas of similar polygons also holds true for circles.

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CCSS: Designed
Instructional Ideas

  • Conduct a review of the scale factors of similar polygons
  • Group individuals that display similar misunderstandings for further instruction
Classroom Considerations

  • Assumes the completion of the first resource in the series
Pros

  • Provides examples of work
  • Includes questions to ask to elicit further understanding
Cons

  • None
Common Core