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Get Khanmigo Learn more Math: Pre-K - 8th grade Pre-K through grade 2 (Khan Kids) Early math review 2nd grade 3rd grade 4th grade 5th grade 6th grade 7th grade 8th grade See Pre-K - 8th grade Math Math: high school & college Algebra 1 Geometry Algebra 2 Integrated math 1 Integrated math 2 Integrated math 3 Algebra basics Trigonometry Precalculus High school statistics Statistics & probability College algebra AP®︎/College Calculus AB AP®︎/College Calculus BC AP®︎/College Statistics Multivariable calculus Differential equations Linear algebra See all Math Math: Get ready courses Get ready for 3rd grade Get ready for 4th grade Get ready for 5th grade Get ready for 6th grade Get ready for 7th grade Get ready for 8th grade Get ready for Algebra 1 Get ready for Geometry Get ready for Algebra 2 Get ready for Precalculus Get ready for AP® Calculus Get ready for AP® Statistics Reading & language arts Up to 2nd grade (Khan Kids) 2nd grade 3rd grade 4th grade 5th grade 6th grade 6th grade (expanded) 7th grade 8th grade 9th grade Grammar See all Reading & Language Arts Life skills Social & emotional learning (Khan Kids) Khanmigo for students AI for education Financial literacy Internet safety Social media literacy Growth mindset College admissions Careers Personal finance See all Life Skills Science Middle school biology - NGSS Middle school Earth and space science - NGSS Middle school physics - NGSS High school biology High school biology - NGSS High school chemistry High school physics High school physics - NGSS AP®︎/College Biology AP®︎/College Chemistry AP®︎/College Environmental Science AP®︎/College Physics 1 Health and Medicine See all Science Test prep Digital SAT LSAT MCAT Try the PISA test Computing Intro to CS - Python Computer programming AP®︎/College Computer Science Principles Pixar in a Box See all Computing Arts & humanities US history AP®︎/College US History US government and civics AP®︎/College US Government & Politics World History Project - Origins to the Present World History Project - 1750 to the Present AP®︎/College World History Big history Art history AP®︎/College Art History Constitution 101 (pilot) See all Arts & Humanities Economics Macroeconomics AP®︎/College Macroeconomics Microeconomics AP®︎/College Microeconomics See all Economics Partner courses Ancient Art Asian Art Biodiversity Music NASA Natural History NOVA Labs Philosophy Why Khan Academy works Personalized learning Students practice at their own pace, first filling in gaps in their understanding and then accelerating their learning. Trusted content 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. Tools to empower teachers With Khan Academy, teachers can identify gaps in their students’ understanding, tailor instruction, and meet the needs of every student. DISTRICTS Khan Academy boosts student learning In a recent study , students were over twice as likely to meet grade-level standards with Khan Academy. Districts across the country are partnering with us to ensure all their students succeed. Districts, start here Districts, start here TEACHERS I’m finally able to truly differentiate my classroom. This has been priceless for my students’ engagement.” DUSTIN FAUTH / 4th grade teacher / Falmouth, MA We empower teachers to support their entire classroom. 90% of US teachers who have used Khan Academy have found us effective. Teachers, start here Teachers, start here LEARNERS AND STUDENTS You can learn anything. Build a deep, rock-solid understanding in math, grammar, science, history, SAT®, AP®, and more. Learners, start here Learners, start here I come from a poor family. At home it’s one room, just a room we live in. When I was a child, I used to fear mathematics. But now, I am in love with mathematics because of Khan Academy.” ANJALI India TOGETHER WE CAN MAKE A DIFFERENCE Every child deserves the chance to learn. Across the globe, 617 million children are missing basic math and reading skills. We’re a nonprofit delivering the education they need, and we need your help. You can change the course of a child’s life. Give them the chance Give them the chance Join Khan Academy today Learners Teachers Districts Parents Give today Back Key supporters 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! 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