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This task is also shared at Conceptua with support and discussion tools.

standard: 5.NF.7

Download the Task

Act 1

Watch the video:

  • How many blocks will it take to level out the balance scale?   Estimate
  • Write an estimate you know is too high.  Write an estimate you know is too low.

Act 2

Weight of a Cube                     Weight of the Peach


 Act 3


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