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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.
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.
These materials enable personalized practice alongside the new Illustrative Mathematics 7th grade curriculum. They were created by Khan Academy math experts and reviewed for curriculum alignment by experts at both Illustrative Mathematics and Khan Academy.
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
गणित, कला, कंप्यूटर प्रोग्रामिंग, अर्थशास्त्र, भौतिकी, रसायन विज्ञान, जीव विज्ञान, चिकित्सा, वित्त, इतिहास तथा अन्य विषयों के संबंध ...
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The physics archive contains legacy physics content, and is not being updated with new content. Exercises and mastery mechanics will soon be removed from the physics archive. For our most up-to-date, mastery-enabled courses, check out High School Physics, AP Physics 1, and AP Physics 2!
Khan Academy provides teachers with data on how their students are doing so they can identify gaps in learning and provide tailored instruction.
Chemistry archive. The chemistry archive contains legacy chemistry content, and is not being updated with new content. Exercises and mastery mechanics will soon be removed from the chemistry archive. For our most up-to-date, mastery-enabled courses, check out High School Chemistry and AP Chemistry!
Master Khan Academy with our free teacher training program. Explore tools for teachers, see real-life examples of classroom use and earn a certificate of course completion!
