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Check out Graham's Building Fact Fluency Toolkit for addition and subtraction.

standard: (MCC7.NS.3)

Download the Task

Act 1

Watch the video

  • What’s the temperature in Duluth, Minnesota? Estimate
  • Write an estimate you know is too high.  Write an estimate you know is too low.


Act 2

Deep Freeze (Act 2)



Act 3

Deep Freeze (Act 3)

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