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Who is the fastest runner on Earth?

6th GradeUnit ratesabout 3 minCCSS 6.RP.A.2CCSS 6.RP.A.3.b

Race a cheetah, a cockroach and a mite, measured in their own bodies.

Lesson Plan

Solve unit rate problems with constant speed, in meters and in body lengths per second.

  1. Question: Ask what students spot and what they are curious about. Read “How many of its bodies in one second?” aloud. Have each student guess and say why.

  2. Question: Read “Like the mite: how fast would you go?” aloud. Have partners explain their guesses to each other.

  3. Big idea: Pause. Ask a student to say the idea in their own words.

  4. Your turn: Have students try their own. Ask them to predict before they test.

How to run it

  1. Whole classPut the lesson on the board. At each choice the class votes, then you select the winner.
  2. SoloShare the link, QR code, or post to Google Classroom. Each student gets to take their own path.