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Pool Bounce

by Dan Meyer


Act One

  • Dan Meyer

    Dan Meyer

    July 20, 2016

    Where will each shot hit the cushion - A, B, or C?

  • Teacher note
    Have students write their best estimate under the "Estimate" column on the first page of the handout found in Act Two.

Act Two

  • ImagePool Shot Image – Questions
  • Teacher note
    Display the image of the pool tables and ask for predictions. Which ones are real and which are fake?
  • FilePool Shot Handout – Answers
  • Teacher note
    Pass out the real and fake pool shots. (The second page of the handout.)
  • 1.

    What do you notice about the reals that isn’t true about the fakes?

  • Teacher note
    Help students learn the principle that the incoming and outgoing angle of the pool shots are equal. Have them write down their calculated answer in the "Calculate" column of the handout.

Act Three

  • Teacher note
    Ask students to write down the actual answer for each pool shot under the "Verify" column of the handout. Have them count how many correct estimates and calculations they had and see which column is greater. If the calculation column had more correct answers, that's an illustration of math's power.
  • VideoAnswer


  • Teacher note
    Ask students to create their own pool shot and pass it to a classmate for solution.

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