Just got this tip from Twitter. The Khan Academy has now posted on YouTube over 800 videos (find a complete list here) that will teach students the ins-and-outs of algebra, geometry, trigonometry, calculus, statistics, finance, physics, economics and more.
Here is an example from the Brain Teasers thread.
Technorati Tags: khanacademy, math, youtube, sharonbetts
Here is an example from the Brain Teasers thread.
Technorati Tags: khanacademy, math, youtube, sharonbetts
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