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

standard: 5.MD.4&5

Download the Task

Act 1

Watch the video:

What do you notice? What do you wonder?

  • How many cubes will it take until the water overflows? Estimate
  • Write an estimate you know is too high.  Write an estimate you know is too low.


Act 2

Small Cube Measurements

Water Height

Container Measurements

Act 3

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