Exponentials Lesson 7 Episode 5 (Teachers)


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The students reflect on how to find the height of the beanstalk at any time. They illustrate their process by finding the height of the beanstalk on Day 1.68.

Episode Supports

Focus Questions

For use in a classroom, pause the video and ask these questions:

[Pause the video at 0:31] How would you use a number line to find the height of the beanstalk for any day, for example Day 1.68 or Day 2.456?

Supporting Dialogue

The instructor asks Josh and Arobindo to explain why the root is the same as the denominator of the fractional exponent. Ask your students to rephase Josh and Arobindo’s explanation.