Pre-algebra - Khan Academy
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Pre-algebra - Math | Khan Academy
网页Unit 6: Variables & expressions. 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!
Unit 1: Factors and multiples - Khan Academy
网页See Pre-K - 8th grade 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; ... One-step and two-step equations & inequalities. Unit 11. Roots, exponents, & scientific notation. Unit 12. Multi-step equations. Unit 13. Two-variable equations. Unit 14. Functions and ...
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AI for Teachers - Khan Academy
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网页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.
Math - Khan Academy
网页Knowing trig identities is one thing, but being able to prove them takes us to another level. In this unit, we'll prove various trigonometric identities and define inverse trigonometric functions, which allow us to solve trigonometric equations.
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Pre-algebra word problems | Lesson (article) | Khan Academy
网页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; ... Differential equations; Linear algebra; See all Math; Test prep; Digital SAT. NEW. LSAT; MCAT; Science; Middle school biology; Middle school Earth and space science; Middle school physics;
Linear equations & graphs | Algebra 1 | Math | Khan Academy
网页Unit 4: Linear equations & graphs. 1,600 possible mastery points. Mastered. Proficient. Familiar. Attempted.