Radians: Just Another Way

Serve up angle measurements on paper plates. Pupils use paper plates and paper-folding techniques to create a unit circle with conversions for special angles. Using their plates, learners explore the relationship between angle measurements expressed in degrees and radians.

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CCSS: Designed
Instructional Ideas

  • Demonstrate to the class how a radian relates to the length of an arc and the radius
Classroom Considerations

  • Individuals should be familiar with the special angles for special right triangles
  • Practice the folding the paper plates prior to doing the lesson
Pros

  • Includes suggestions with links for extending the lesson or providing additional assistance
  • Provides a practice sheet to solidify the conversions
Cons

  • None
Common Core