The only subject in Khan Academy which we can master is Maths.So it takes a long time to master all the topics under Maths.And there is the new Learning Dashboard in which mastery challenges appear . As for me i have mastered till now about 60 skills
Khan Academy was created in 2006.
Master Khan was created in 1960.
you have to pay
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LeBron James and Khan Academy are working together to increase engagement in math and science to educate children.
Khan Academy. Khan Academy covers almost everything in the world.
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Khan Academy is a non-profit charity which hosts an educational website offering free education to all, mainly using videos online.
"Master" of the Academy of General Dentistry (MAGD)
Videos offered by Khan Academy are available not only in English, but in many other different languages. For more information check out the Khan Academy website.
They can give you points. And they are really fun to get.