This man made youtube videos from basic addition to calculus.
Here is the link
http://www.khanacademy.org/
The Khan Academy is a not-for-profit 501(c)(3) with the mission of providing a world-class education to anyone, anywhere. Despite being the work of one man, Salman Khan, this 1600+ video library is the most-used educational video resource as measured by YouTube video views per day and unique users per month. We are complementing this ever-growing library with user-paced exercises--developed as an open source project--allowing the Khan Academy to become the free classroom for the World.
1 comment:
I checked out your math site. Had Kayla take a look at the addition video. She now understands that 4+3 is the same thing as 3+4! I love "ah ha " moments!
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