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.

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Act 2

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Act 3

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

The Picture Reveal

 

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