Hi Vincent, Most of the badges have a description on them that explains how one could earn them. The exception is the Black Hole Badges because they are meant to remain secret. Nobody knows how to ...

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3. I need help with badges.

The way you are learning math is completely fine and should give you a general overview of each topic. What I have found is that, by learning it through grade level, there is a smoother transition ...

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3. Is there a difference between learning math from scratch through the grade levels or topics?

Hi Graham, That's a great question. The Khan Academy curriculum can be translated into 37 different languages. With each language, the content will change to what is relevant for the region that yo...

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3. Content question from New Zealand

Hi Bill Weber, Transcribing your own notes from the "Hints" segment is a great idea!  To clarify, Khan Academy has more videos than textbooks because it is generally used as a sort of accessory to ...

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3. Could use more "text book" videos.

Hi Yasha, That is a great question.  The best way for you to contact Khan Academy with questions would be to post them here in the help center. If you are experiencing problems with the website its...

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3. Support email?

Hi Al Gallucci, that's a great question! When working with fractions, you should always reduce the fraction to the lowest possible term. If the top number of your fraction (the numerator) is larger...

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3. when to simplify vs divide

Absolutely! Giving credit to your inspiration is encouraged. However, please make sure that your reference image doesn't contain anything inappropriate or offensive. If you aren't sure whether your...

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3. Is posting a link in a project to a reference image against the guidelines?

Hi Muhammetd640, That's a difficult question to answer, but I do have a couple courses that could help you.  This is a great video about economic profit in competitive markets: https://www.khanacad...

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3. can you help me my project homework

That's a great idea. I would consider posting it here so that your request will be more likely to be considered: https://khanacademy.zendesk.com/hc/en-us/community/topics/200852348

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3. Course Suggestion (Securities Industry Essentials - SIE)

It should cover everything. However, if you find that it is not discussing everything that you need, you can also try AP Biology. It is more advanced and covers a broader area of topics so you shou...

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3. Will the Biology course cover everything taught in Biology Honors (in high school)?