Multiplication smackdown: Sal Khan vs Vi Hart—who’s got the ‘insight’?
As usual, Vi delivers a gigantic heaping of insight into what multiplication is, why these algorithms work, along with a handful of sarcasm and one of the most important critiques of math education and obsession with notation I’ve seen in the past month or so.
(New Vi Hart video in the link)
One has to acknowledge that there are different goals in mind for the two videos, but a shortcoming of “turn the crank” cookbook instruction is that you won’t know what to do if you ever encounter a new situation, which is why conveying the deeper understanding is a winner in the long run. Add some enthusiasm for the beauty of math, and that will help foster an interest.
Multiplication is done by calculators. The deep meaning of multiplication is social implication. There can be no single true answer, for heteronormatism problematizes homosocial othering. Mathematics arises out of diversity. Culture must never bow to society.
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