Answering Thorny Questions You Secretly Hope Students Won’t Ask

A session by James Tanton
The Global Math Project

November 20, 2022, 12:00 AM

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About this session

We all have those thorny questions we know are lurking in the background that is mighty difficult to answer on the spot: Is -0 the same as 0? Why is 0! equal to 1? Why, exactly, is negative times negative positive? Is it okay or not okay to leave square roots in denominators? Why should we care about radians? Why is e the "natural" base for a logarithm? Let's list all the questions we don't know how to answer and answer them succinctly!

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