.@mathinyourfeet But for me to say "I teach calculus" I feel requires me to compile data that someone has learned it. And data is tough.
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Replying to @mathinyourfeet
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@mathinyourfeet Right! ...realistically, I do not know how often I really teach calculus, until I can see inside my Ss brains.1 reply 0 retweets 0 likes
Replying to @katemath
@katemath @mathinyourfeet incidentally, the Mechanical Universe has some awesome visual introductions:http://www.learner.org/resources/series42.html …
9:22 AM - 24 Sep 2014
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