Trigonometry Lesson 1 Episode 5 (Teachers)

Repeating Your Reasoning

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Mary and Claire construct an angle that measures 3.5 gips. They also calculate the measure of the angle they have created in degrees. 


Episode Supports

Focus Questions

For use in a classroom, pause the video and ask this question:

[Pause the video at 1:59] In this episode and the previous one, Mary and Claire claim that one gip is 45 degrees. Do you agree with their claim? Why or why not?

Supporting Dialogue

  1. [Pause the video at 0:12] Based on what you’ve seen so far in this lesson, tell a partner how you think Claire and Mary will create an angle that measures 3.5 gips. What tools will they use? What tools would you use, and how would you create an angle that measures 3.5 gips?
  2. [Pause the video at 1:59] Talk with a partner about the difference between degrees and gips. Why would you want to use one over the other?