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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.
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.
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.
Since 2015, Khan Academy has been one of the official SAT preparation websites. According to reports, studying for the SAT for at least 20 hours at Khan Academy is associated with a 115-point average score increase.
High school biology. Learn high school biology using videos, articles, and NGSS-aligned practice. Explore the fundamentals of cells, organism growth and development, photosynthesis and cellular respiration, molecular and classical genetics, natural selection and evolution, biodiversity and human impacts, and ecology.
Khan Academy's Algebra 1 course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience! The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a function; Exponential models; and ...
Algebra (all content) | Khan Academy. 20 units · 412 skills. Unit 1 Introduction to algebra. Unit 2 Solving basic equations & inequalities (one variable, linear) Unit 3 Linear equations, functions, & graphs. Unit 4 Sequences. Unit 5 System of equations. Unit 6 Two-variable inequalities. Unit 7 Functions.
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.
Learn seventh grade math—proportions, algebra basics, arithmetic with negative numbers, probability, circles, and more. (aligned with Common Core standards)
Learn sixth grade math—ratios, exponents, long division, negative numbers, geometry, statistics, and more. (aligned with Common Core standards)
