Mary and Claire describe openness. They also compare and contrast gips with degrees.
Episode Supports
Focus Questions
For use in a classroom, pause the video and ask these questions:
[Pause the video at 1:28] In your own words, summarize what Claire and Mary said about why gips was easier to use for measuring openness.
[Pause the video at 2:22] How would you describe to someone what a degree is?
Supporting Dialogue
[Pause the video at 0:14] Before listening to Mary and Claire, share your ideas with a partner about how you can measure the openness of an angle and what that measurement means.
MathTalk