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nicholas.jeffery

April 30, 2018 05:24

So I've almost beaten the World of Math, and it has been--probably--the most beneficial thing I've ever done! It has improved my PSAT scores way more than I thought it could!

Because I found this so helpful, I think it'd be great if you were to add a "World of Science" or something similar to master subjects in science. It would be a little different than math, but I think it could work and it would be amazing to see one!

(I'm sure you've heard this before or tried already but I thought I'd put this out here just in case)

~Nick

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Admiral Betasin

April 30, 2018 21:42

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Hi Nicholas Jeffery,

Thanks for your suggestion!

I would really like to see this applied to science as well as other subjects too.

There's a similar post about this you can find here. If you like the idea, vote up the post and leave a comment there.
BW

March 02, 2019 19:13
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I'm surprised when talking about adding and subtracting negative numbers Khan doesn't discuss how parentheses effect the problem. In grammar, I thought the word some could be a noun. Thanks.
Regina Litman

March 06, 2019 21:33
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I would have liked a World of Science, too. However, Khan Academy is planning to phase out mission mastery (including World of Math) in about a year (mentioned to me in a private email about something else), so I don't think this will happen. Instead, the new course mastery system that has been applied to many of the math courses is now being applied to science and other non-math courses.

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