Khan Academy is a non-profit educational website created in 2006 by educator Salman Khan, a graduate of MIT and Harvard Business School. The stated mission is to provide "a free world-class education for anyone anywhere".

28 Khan Academy Courses

Topics covered from very basic algebra all the way through algebra II. This is the best algebra playlist to start at if you've never seen algebra before. Once you...

180 Worked Algebra I examples (problems written by the Monterey Institute of Technology and Education). You should look at the "Algebra" playlist if you've...

The most basic of the math playlists. Start here if you have very little background in math fundamentals (or just want to make sure you do). After watching this...

This course explains the fundamentals of banking systems, including how money is created.

Topics covered in the first two or three semesters of college calculus. Everything from limits to derivatives to integrals to vector calculus. Should understand...

Videos on chemistry (roughly covering a first-year high school or college course).

This course covers the causes and subsequent effects of the credit crisis.

Discussions of economic topics and how they relate to current events.

Worked developmental math examples from the Monterey Institute. These start pretty basic and would prepare a student for the Algebra I worked examples.

Topics covered in a first year course in differential equations. Need to understand basic differentiation and integration from Calculus before starting here.