Evan Lewis

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2. Study Group
3. cube root

Hi Ava, Cube roots are covered in the Radicals section of the Algebra I course. You can view the content here: https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:rational-exponents-radical...

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2. Classroom Product Questions and Feedback
3. Quiz retakes

Hmmm, that's definitely a new one! If they're working on 1st grade instead of 8th grade, that shouldn't have much (if any) effect on their mastery progress in the 8th grade course or for their 8th ...

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2. General Khan Academy Questions
3. Completed Lesson Marked as Resume

Hi Bement,   The Learner Homepage shows the "Resume" button based on which section you were last working in so that you can easily pick up from where you left off previously, which might not necess...

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2. Feature Requests and General Site Feedback
3. Banning Users

We generally offer warning messages for any minor issues with posts (off-topic, advertising, vote-soliciting, etc.), as well as for anything that is not explicitly stated in our guidelines. In gene...

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2. Computing Platform Community Discussions
3. JS Saving Programs

Hi Douglas, There was an issue that was preventing users from saving projects with images in them. We've just deployed a fix and believe the issue should now be resolved! If any of your students ar...

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2. Computing Platform Community Discussions
3. Cross-origin data error

Hi everyone! We've deployed a fix for this and believe the issue should now be resolved. Thanks for your patience on this, and please let us know if you're still running into any issues!

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2. Computing Platform Community Discussions
3. Saving Projects in JavaScript

Hi everyone! We've deployed a fix for this and believe the issue should now be resolved. Thanks for your patience on this, and please let us know if you're still running into any issues!

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2. Classroom Product Questions and Feedback
3. Quiz retakes

It sort of depends on the course and level of difficulty of the questions, but generally it would take 4+ attempts to start getting duplicate questions on quizzes. It could be more or less than tha...

1. Cộng đồng
2. Classroom Product Questions and Feedback
3. Quiz retakes

Hi Gabriele,   I'm afraid there's not a way to explicitly limit a student to a certain number of attempts. However, if you instruct your students to complete an assignment only once, you can use th...

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2. Computing Platform Community Discussions
3. Importing your own sounds

Hi s168066,   While there's not a way to directly upload your own sounds, you can use the existing sound library or create your own sounds using the Web Audio API oscillator in the webpage environm...