the Cookie Monster

standard: 1.NBT.1, 1.NBT.4Download the Task

Act 1

Watch the video:

What do you notice? What do you wonder?

Cookies left in the tray

  • How many cookies did the Cookie Monster eat??  Estimate.
  • Write an estimate you know is too high.  Write an estimate you know is too low.

Act 2

How many cookies came in the package? (difficult)

How many cookies came in the package? (modification)

How many cookies were left in the package?


Act 3

the number of cookies the Cookie Monster ate


Modified Cookie Monster task created by Jamie Duncan (addition through 10)

 Click the link here to find more 3-Act Lessons

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