What do you or your students or your kids need to know about math?
What about Introduction to Ratios, or Graphing systems of Inequalities, or Least Common Multiples, or Graphing with Calculus or Introduction to Parametrizing a Surface with Two Parameters, or Sum of Polynomial Roots or Even Rounding Decimals or Solving for a Variable or Undetermined Coefficients or Rhombus Diagonals or Linear Subspaces or Binary Numbers or Introduction to Function Inverses or Basic Probability or Calculating r-Squared or the Ferris Wheel Trig Problem or Exponential Growth Functions?
What about more lessons in Valuation and Investing, Venture Capital and Capital Markets, SAT Preparation, Physics, the Paulson Bailout, Organic Chemistry, History, Problem Solving, Finance, Current Economics, Currency, Cosmology and Astronomy, and Computer Science?
Sal Kahn makes complex subjects simple in his videos. And he's Bill Gates favorite teacher. His site of over 2,400 free videos is partially sponsored by the Gates Foundation.
AND, if you're a teacher or parent, you can direct how your children or students use the site and see what they are completing. The site also includes interactive exercises.
Check it our here.
A free world-class education for anyone
anywhere.
The Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere.
All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get a leg up in earthly biology. The Khan Academy's materials and resources are available to you completely free of charge.
