Round and Round the Unit Circle

This Round and Round the Unit Circle lesson plan also includes:

Your young trigonometry learners will analyze and discover the many valuable relationships on the Unit Circle in this very rich collaborative task. Using co-terminal and reference angles in degrees and radians, learners find and label any angle on the unit circle, as well as find the ratios for all six trigonometric functions: cosine, sine, tangent, secant, co-secant, and cotangent.

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CCSS: Designed
Instructional Ideas

  • This lesson fits well after learners have studied right triangle trigonometry
  • Remind them to keep the labeled unit circle in their notes to use for later reference
Classroom Considerations

  • Ideally learners have access to the Internet to manipulate the applications linked in this activity

  • Well-organized, complete lesson plan with printables and links embedded in the teacher instructions

  • None
Common Core