(We just put this up on YouTube.) Khan’s proof takes around eight minutes while Elevated Math’s takes only a minute. Here is Khan’s version where he proves the theorem. On Monday we ran a blog post on the Pythagorean Theorem so I decided to see what Khan had done on this subject. I tried a video where I knew the subject well. His voice is pleasant enough, but I’m a visual person I need more stimulation than having a lesson scratched out on a blackboard. ![]() Since I had forgotten about limits in calculus, I watched a video about that. ![]() ![]() In the past few weeks I’ve been reading what others have been saying about Khan Academy and decided to watch some of the videos.
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