standard: 3.MD.2

Download the Task

Act 1

Watch the video

  • How many unifix cubes will it take until the balance is level?  Estimate
  • Write an estimate you know is too high.  Write an estimate you know is too low.
  • Estimate the orange’s weight in grams.  Estimate  the cube’s weight in grams.

Act 2

Orange Weight

Cube Weight

Act 3

For the doubters…here’s the real time video.

The Picture Reveal



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