Learn more about Graham's Foundation of Fractions Workshop and get registered.

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

standard: 3.MD.5b

Download the Task

Act 1

Watch the video

  • How many little Post-Its will fit on the “Big Pad” Post-it?   Estimate
  • Write an estimate you know is too high.  Write an estimate you know is too low.

Act 2

dimensions of the regular Post-it

dimensions of the “Big Pad” Post-it


Act 3


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