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Lesson Plan

Solving Problems with Circles and Triangles

Curated and Reviewed by Lesson Planet
This Solving Problems with Circles and Triangles lesson plan also includes:

After completing a task involving examining the ratio of areas of triangles and circles in a given figure, scholars examine sample responses to identify other strategies they could use to solve the problem.

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CCSS: Designed
Concepts
right triangles, equilateral triangles, circles, area of circles, area of triangles, special right triangles
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Additional Tags
math
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Instructional Ideas
  • Use as a formative assessment instrument for a unit on geometry
Classroom Considerations
  • Learners need to be cognizant of special right triangles, especially 30°-60°-90° triangles
  • Pupils also should understand ratio and proportional reasoning as applied to similarity
Pros
  • Requires pupils to think critically and examine alternative strategies
  • Resource includes an answer key
Cons
  • None