Awkward! Who Chose the Number 360, Anyway?

Don't give your classes the third degree. Use radians instead! While working with degrees, learners find that they are not efficient and explore radians as an alternative. They convert between the two measures and use radians with the unit circle and for graphing the sine function. 

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CCSS: Designed
Instructional Ideas

  • Provide learners with a graphic organizer to record new vocabulary and examples
  • Begin with a review of unit conversions to relate to degree-to-radian conversions
Classroom Considerations

  • Pupils should be familiar with the graph of the sine and cosine functions and the unit circle
  • The ninth lesson in a 19-part series
Pros

  • Includes detailed teacher notes to use throughout the lesson
  • Provides opening and closing activities complete with answer keys
Cons

  • None
Common Core