Khan Academy

One of the most amazing educational resources on the Internet. Over 1800 free online videos and thousands of practice problems all produced by one man -- Salman Khan: Teacher to the World

The Khan Academy is a not-for-profit organization with the mission of providing a high quality education to anyone, anywhere.

Sal has videos on YouTube covering everything from basic arithmetic and algebra to differential equations, physics, chemistry, biology and finance which have been recorded by Sal at his home.

The Academy also has an "exercises" section which allows you to solve problems online, find out if you answered correctly and get hints if needed. After you have correctly answered 10 problems you are prompted to move to the next level.

Sal received his MBA from Harvard Business School where he was president of the student body. He also holds a Masters in electrical engineering and computer science, a BS in electrical engineering and computer science, and a BS in mathematics from MIT where he was president of the the Class of 1998. While at MIT, Sal was the recipient of the Eloranta Fellowship which he used to develop web-based math software for children with ADHD.

Tell all the Math teachers you know about this resource.

Khan Academy website
http://www.khanacademy.org/

Khan Academy Exercises
http://www.khanacademy.org/exercisedashboard

Google Awards Khan Academy $2 million prize
http://edudemic.com/2010/09/google-awards-2-million-prize-to-khan-academy/