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.

Khan Academy offers free online courses, lessons, and practice for learners and teachers worldwide.

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.

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Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more.

Khan Academy breaks down tough concepts in an easy manner and helps you understand subjects better without having to memorise them.

Khan Academy personalizes the learning experience AND aligns to classroom learning: Our proven program is designed to help students address critical gaps in their knowledge through mastery-based pedagogy. Our grade-level courses keep students focused on rigorous, grade-level work while teachers receive data and tools to target support.

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Kids can also learn independently in the Khan Academy Kids Library—a curated collection of activities, books, videos, and coloring pages. Our book reader allows kids to follow along with recorded audio narration or read on their own across our …