7.RP.2     7.RP.3

Act 1

Watch the video:

Ask students what they noticed and what they wonder.  Record responses.

Suggested question:  How much faster is the cheetah than Usain Bolt?

Estimate.  Write an estimate that is too high and an estimate that is too low.

Act 2

The following information is provided for students as needed.

Act 3

Students share their strategies and solutions to their question(s).    Compare strategies as well as results.  Which strategies seemed most efficient?

How reasonable was your estimate?  What might you do differently if you were to solve another problem like this?

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