TV on a Rolling Cart

How Much Space?

From Cyberchase · 2007

How Much Space?
3rd4th5thMath
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Summary

A short Cyberchase segment where the CyberSquad discovers how changing the shape of a perimeter changes the area inside it. A quick, surprising look at the relationship between perimeter and area.

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All ages
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Teaching resources

Discussion questions

Discussion

  1. What did the team change about the shape?
  2. What happened to the space inside?
  3. Why might a square hold more area than a long, thin rectangle with the same perimeter?

Quick work-a-long

Vocabulary: area, perimeter, shape.

Try it: Using 12 units of perimeter, sketch a long rectangle and a square. Which has more area?