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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.
Did you know? Regardless of who you are, mastering even just one more skill on Khan Academy results in learning gains.
You’ll want Khan Academy’s unit guides in your toolkit. Developed by our learning experts, each guide includes student misconceptions, top teaching strategies, and step-by-step suggestions to help you support your students’ success.
Aprenda Matemática, Artes, Programação de Computadores, Economia, Física, Química, Biologia, Medicina, Finanças, História e muito mais, gratuitamente. A Khan Academy é uma organização sem fins lucrativos com a missão de oferecer ensino de qualidade gratuito para qualquer pessoa, em qualquer lugar.
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.
Khan Academy offers free online courses, lessons, and practice in various subjects to provide a world-class education for anyone, anywhere.
Khan Academy is a not-for-profit educational organization started by Salman Khan in 2008. Our mission is to provide a free, world-class education to anyone, anywhere. Our online material cover subjects ranging from math and finance to history and art.
Khan Academy's Algebra 1 course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience! **Teaching this course? Check out our [teacher resources] (https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:alg1-ccss-teacher-resources)!**
Khan Academy Download videos for offline viewing, try our massive library of interactive exercises, bookmark things to study later, and complete assignments from your classes! Your progress stays in-sync with your Khan Academy account.
In this section of Khan Academy, you'll learn about the brain-bending vastness of time and space. We go from plate tectonics here on Earth to entire galaxies and beyond.