Created by experts, Khan Academy’s library of trusted, standards-aligned practice and lessons covers math K-12 through early college, grammar, science, history, AP®, SAT®, and more. It’s all free for …

Khan Academy is an American educational nonprofit organization founded in 2008 by Sal Khan. The company was created with a goal of providing free, high-quality learning resources to students …

Our interactive practice problems, articles, and videos help students succeed in math, biology, chemistry, physics, history, economics, finance, grammar, and many other topics. Khan Academy is a...

Did you know? Regardless of who you are, mastering even just one more skill on Khan Academy results in learning gains.

Salman Amin Khan (born October 11, 1976) is an American educator and the founder of Khan Academy, a free online non-profit educational platform with which he has produced over 6,500 video …

Learn fifth grade math—arithmetic with fractions and decimals, volume, unit conversion, graphing points, and more. This course is aligned with Common Core standards.

Did you know? Regardless of who you are, mastering even just one more skill on Khan Academy results in learning gains.

Access your personalized courses and learning resources on Khan Academy to enhance your knowledge in various subjects.

Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501 (c) (3) nonprofit organization. Donate or volunteer today!

Access your personalized courses and progress on Khan Academy, the free educational platform offering a variety of subjects for learners of all ages.