Pick up where you left off: Tailored to your current learning level, our mastery system gives instant feedback and recommendations on exactly which skills and videos to try next. Keep learning when you're offline: Bookmark and download your favorite content to watch videos without an internet connection. Follow along with what you're learning in school, or practice at your own pace.
Sharpen your skills: Practice exercises, quizzes, and tests with instant feedback and step-by-step hints. Study math, science, economics, finance, grammar, history, government, politics, and much, much more. Learn anything, for free: Thousands of interactive exercises, videos, and articles at your fingertips. Whether you're a student, teacher, homeschooler, principal, adult returning to the classroom after 20 years, or a friendly alien trying to get a leg up in earthly biology â Khan Academy's personalized learning library is available to you, for free. Or, if you're feeling particularly adventurous, learn how fire-stick farming changes the landscape of Australia. Get a head start on next semester's geometry. Random sampling vs.Spend an afternoon brushing up on statistics. Happy learning! Content AddedĬonditional distributions and relationships You can see exactly what content items we’ve added and removed below. Most people will see a much smaller Mastery percentage change. With this specific course update, we expect that Mastery percentages will change by a maximum of 65%. This change would change your Mastery percentage from 90% to 82%. For example, if you mastered 90 out of 100 skills in a course, and we added 10 new skills, your mastery skill count would then be 90 out of 110. When we add new content and remove old content, Mastery percentages often change because the number of available skills changes. One consequence of adding this new content is that it may impact learners’ Mastery percentages. We are excited to share that we've made significant enhancements to our High School Statistics course.
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