Precalc Puzzles

Today in precalc I introduced four “puzzles” to get kids to think about recursion and come up with some formulas without all the jargon and notation. They just puzzled through it. Watching them all be totally engaged made me giddy.

I also had an idea in geometry about how to better introduce an idea, and even though it was on the fly, I liked feeling comfortable deviating and doing that.

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