Day 143: Two Triangles

Geometry is starting a chapter on area, at the beginning of the period I put this up.

Two_Triangles

It was fun to see students expressions as they figured out that both large triangles have the same base/height and are also made up of the same pieces. The group was able to come up with the solution after about 5 minutes.

For the rest of the period they worked on Dan’s Coffee Traveler Three-Act.

Here are some of the end results.

IMG_0607 IMG_0608 IMG_0609 IMG_0610

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