I had several cool and weird math teachers, but I had never seen someone teaching math and used a chair for a ruler. Way to go sir!

One commenter in 9GAG labeled this teacher the scariest math teacher ever. But the best teacher too.

Photo Credit: 9GAG.com

Teaching Math Like a Boss: I had several cool and weird math teachers, but I had never seen someone teaching mat… http://t.co/Ue4CurAE

So cool…

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