This reminds me how many years it’s been since I updated my Math Resources page. Khan Academy is just one of many links I’ve been meaning to add. Someday, I’ll get caught up on the urgent stuff and have time for all my good intentions. . .
[Update: For those of you whose rss readers don’t show TED videos (or is mine the only one?), you can see this at Let’s use video to reinvent education.]
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