James Tanton has a great video showing the “why” behind tricky exponents, negative and fractional powers.

http://www.jamestanton.com/?p=379

I’m not the biggest fan of showing videos in class, it’s hard to judge how many students are ACTUALLY paying attention, but this is a short and quality video and pausing and having them come up with predictions really helps student engagement. Bonus, James says “thrice” and “one thirty toothed”. Students loved it.

November 17, 2017

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