Bill Gates' Favorite Teacher

posted Dec 15, 2011, 9:16 PM by Mr. P Jamal   [ updated Dec 15, 2011, 10:03 PM ]
The winter break is a great opportunity to review materials. Explore whatever topic interests you through Watch videos or practice exercises to improve your math skills.

We recommend making an account on the site so that you can monitor your progress and earn badges.

Khan Academy Introduction from William Felton on Vimeo.