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This Proving the Area of a Disk lesson plan also includes:
Using a similar process from the first lesson plan in the series of finding area approximations, a measurement resource develops the proof of the area of a circle. The problem set contains a derivation of the proof of the circumference formula.
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CCSS:
Designed
Concepts
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Instructional Ideas
- Consider using a geometry sketching application to create the figures
- Have different groups determine the areas of the inscribed and circumscribed polygons and create a large class chart with the measurements
Classroom Considerations
- Limit notation and concept may be unfamiliar to some
- The fourth lesson in a 14-part series
Pros
- The resource provides scaffolding suggestions throughout
- Exit ticket contains sample solutions
Cons
- None