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For the vast majority of his students, including those other points when they're first learning about slopes would do more harm than good. He shouldn't be judge
by ericd 14y ago
For the vast majority of his students, including those other points when they're first learning about slopes would do more harm than good. He shouldn't be judged on his rigor, but on how effectively he enables learning and understanding. They wouldn't know what to do with gradients.
- jlaurend 14y agoSure, but I'm not talking about how effective his teaching is. I'm simply addressing the technical definition of slope. I am perfectly fine with Khan teaching it as "rise/run". I thought criticizing this was silly on Karim's part. But then Khan was the one who came back to argue that his definition was correct and Karim's was wrong. I think Khan's wrong here and shouldn't have even engaged in such a trivial dispute...