Thumbs on Fire

standard: MCC7.RP.1, 2, & 3Download the Task

Act 1

Watch the video:

  • How many seconds will it take to complete the following text message?
  • Write an estimate you know is too high.  Write an estimate you know is too low.


Act 2

Thumbs on Fire (Act 2)-Need to Know

Try not to use this if you don’t have to – Thumbs on Fire (Act 2)-The Passage

Act 3


Act 4

Assuming the individual texting in the video could maintain a constant rate of letters per second, how long would it take for him to text a 1,500 word essay?

Identify an equation that would work for any word essay?


Click the link here to find more of My 3-Act Lessons


Don’t want to miss a new idea, task, or video? Sign up for Fletchy's Newsletter.

You have Successfully Subscribed!