Content Updates
We're always working to improve and expand Khan Academy, including by adding more concepts to learn! One consequence of adding this new content is it can sometimes impact Mastery percentages. When we add new content, your Mastery percentage may go down, since the overall number of skills available will increase (for example, instead of mastering 90 out of 100 skills, you'll now have mastered 90 out of 110, which would reduce your percentage from 90% to 82%). You'll still have mastered the same number of skills as before, you'll just have additional ones to complete now. But don’t worry, this doesn’t affect Mastery points. Whenever there are updates to course content that could affect your Mastery percentage, you’ll see a “New content added!” notice in the course, with a link to this page. Here you’ll find more information on what specifically updated so you can better understand what’s changed in course content.
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Content update: Summer 2024 edition!
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Content update: Summer 2023 updates to 7th grade math courses!
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Content Update: Summer 2023 Edition
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Content Update: Summer 2023 updates to the 5th grade Math course!
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Content Update: Content added to Eureka courses (8th grade, Algebra 1, Algebra 2, Geometry, and Precalculus)
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Content Update: Summer 2022 updates to 3rd, 4th and 6th grade math courses!
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What ELA material does Khan Academy have?
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Content Update: Grammar course improvements
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Summer 2022 High School science course update
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Science Courses Updates in July 2021
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Course Updates for AP®/College Statistics in July 2021
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Course Updates for High School Statistics in July 2021
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Course Updates for Pre-Algebra in July 2021
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Course Updates for Basic Geometry in July 2021
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Course Updates for Arithmetic in July 2021
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Course Updates for Pre-Calculus in July 2021
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Content Updates - October 2020
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Content Updates - September 2020
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Content Updates - August 2020
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Content Update: Math and AP Special Edition (July 2020)
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Content Updates - June 2020
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Khan Academy Courses to be Retired in Summer 2020
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Content Updates - April 2020
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Content Updates - February 2020
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Content Updates - January 2020
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Content Updates: Math Special Edition (July 2019)
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Content Updates - July 2019