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Created by experts, Khan Academy’s library of trusted, standards-aligned practice and lessons covers math K-12 through early college, grammar, science, history, AP®, SAT®, and more. It’s all free for learners and teachers.
使你的教室与众不同，并激发学生的积极性。. 我们全方位的课程管理系统可供教师们来管理及帮助学生的学习。. 使用过可汗学院课程管理系统的美国教师中有 90% 的教师表示该系统对他们有帮助。. 教师，请从这里开始. 学习者.
If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Khanmigo is now for all US educators! Plan lessons, develop exit tickets, and so much more with our AI teaching assistant. Get it now! Courses. AI for Teachers Sign up.
Khan Academy's Mathematics 1 course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!
Khan Academy is an American non-profit [3] educational organization created in 2006 by Sal Khan. [1] Its goal is to create a set of online tools that help educate students. [4] The organization produces short video lessons. [5] Its website also includes supplementary practice exercises and materials for educators.
With practice exercises, instructional videos, and a personalized learning dashboard, Khan Academy empowers learners to study at their own pace, both in and out of the classroom. Covering subjects from kindergarten through early college, including math, science, reading, computing, history, art history, economics, financial literacy, SAT, MCAT ...
Khan Academy is a nonprofit providing a free, world-class education for anyone, anywhere. Our interactive practice problems, articles, and videos help students succeed in math, biology,...
Covering subjects from kindergarten through early college, including math, science, reading, computing, history, art history, economics, financial literacy, SAT, MCAT, and more, Khan Academy focuses on skill mastery to help learners build the strong foundations they need to succeed in higher education and in their careers.
Enter class code. Already have an account? Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501 (c) (3) nonprofit organization. Donate or volunteer today!
Study math, science, economics, finance, grammar, history, government, politics, and much, much more. - Sharpen your skills: Practice exercises, quizzes, and tests with instant feedback and step-by-step hints. Follow along with what you're learning in school, or practice at your own pace.
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