TV on a Rolling Cart

Comparing Regular and Irregular Areas

From Cyberchase · 2007

Comparing Regular and Irregular Areas
3rd4th5thMath
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Summary

A Cyberchase segment where the team compares regular and irregular parcels of land by dividing them into squares and triangles to prove they cover the same area. A nice push beyond tidy rectangles.

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All ages
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Teaching resources

Discussion questions

Discussion

  1. What makes a shape 'irregular'?
  2. How did breaking it into squares and triangles help?
  3. Can two very different-looking shapes have the same area?

Quick work-a-long

Vocabulary: regular, irregular, area, divide.

Try it: Draw an L-shape and split it into two rectangles to find its area.