In other words it did not teach the “concept” of slope. To grossly summarize this debate, the argument was that Sal Khan’s definition of slope (“rise over run”) was too simplistic and in part because of the simplicity did not teach anything more than a series of rules needed to calculate slope. It’s starts with a critique from Kai Ani, followed by a response post from Khan. An intriguing starting point is the Washington Post debate from two months ago between Karim Kai Ani, the founder of Mathalicious, and Sal Khan about the meaning of slope. Now to recap some of the more interesting critiques of the Khan Academy. The Khan Academy was pilot tested in the Los Altos school district for the first time in the 2010-2011 school year. Sal Khan gave a much publicized TED talk about the Khan Academy and “flipped classrooms” in 2011. The Khan Academy itself was founded in 2006, and Sal Khan began working on the videos full-time in 2009. In 2004, Sal Khan began sending tutorial videos to his cousin to help with her studies. Here’s some of the history behind the Khan Academy, as I understand it. All this controversy has got me thinking about a simple question: is the Khan academy a revolutionary take on education? To answer this, I’m first going to summarize some of the controversy that has invaded the blogosphere, then I’ll offer some of my thoughts, and finally I’d love to hear your thoughts. And in fact, this is being argued quite extensively lately. The Khan Academy is arguably one of those products that can revolutionize education.
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