Exponentials Lesson 7 Episode 4 (Teachers)

Repeating Your Reasoning

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Josh and Arobindo use their timeline to find the height of the beanstalk on Day 17/28.


Episode Supports

Focus Questions

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

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

  1. [Pause the video at 0:19] Use a timeline to find the height of the beanstalk on Day 17/28. 
  2. [Pause the video at 0:51] Discuss with a partner what you think the expression 317/28 means in terms of roots. How does that connect to the beanstalk context?

Supporting Dialogue

Ask students to talk with a partner about what the 28th root of 3 means. How does it connect to the context of a growing beanstalk? What does the 28th root of 3, raised to the 17th power, mean?