Khan Academy

Khan Academy is a nonprofit educational platform that has gained worldwide recognition for its mission to provide free, high-quality education to learners of all ages. Founded by Salman Khan in 2008, Khan Academy offers an extensive library of video lessons, practice exercises, and interactive tools covering a wide range of subjects, including mathematics, science, economics, arts, and computer programming. With its user-friendly interface and personalized learning features, Khan Academy has become a trusted resource for students, educators, and lifelong learners. It has revolutionized the way people access and engage with educational content, making learning accessible to anyone with an internet connection, and fostering a culture of self-paced, mastery-based learning.


Khan Academy is known for offering its educational content entirely free of charge. You can access the full range of Khan Academy’s video lessons, practice exercises, and interactive tools without any cost. This commitment to providing free education is one of the key principles of Khan Academy’s mission, and it has made the platform accessible to learners around the world, regardless of their financial circumstances. Whether you’re a student, teacher, or lifelong learner, you can use Khan Academy’s resources for free to improve your knowledge and skills in a variety of subjects.

Free Courses

Khan Academy offers a wide range of educational content across various categories, and all of it is available for free. Here are some of the main categories and subjects covered on Khan Academy:

  1. Mathematics: Khan Academy is particularly well-known for its extensive math content, ranging from basic arithmetic to advanced topics like calculus and linear algebra.
  2. Science: You can find lessons and resources in subjects such as biology, chemistry, physics, astronomy, and environmental science.
  3. Computer Science: Khan Academy provides introductory courses in computer programming and computer science concepts.
  4. Economics and Finance: Topics like microeconomics, macroeconomics, and personal finance are covered.
  5. Arts and Humanities: This category includes lessons in art history, music theory, and world history.
  6. Test Prep: Khan Academy offers SAT, LSAT, MCAT, and other test preparation resources.
  7. Grammar and Writing: You can access lessons on grammar, writing, and rhetoric.
  8. Computing and Technology: Learn about computer hardware, internet basics, and more.
  9. Health and Medicine: Khan Academy offers resources on topics like anatomy, physiology, and healthcare.
  10. Partner Content: Khan Academy partners with various educational organizations and institutions to provide additional content, such as APĀ® courses, STEM (Science, Technology, Engineering, and Mathematics) content, and more.
  11. Early Childhood Education: Khan Academy Kids provides educational content for young children.
  12. And More: Khan Academy continues to expand its content library, so you may find additional subjects and categories as new content is added.

Khan Academy’s commitment to providing free education means that you can access all of these resources without any cost, making it an excellent resource for learners of all ages and backgrounds.

Free Math Courses

Khan Academy offers a comprehensive collection of free math courses and lessons that cover a wide range of topics and skill levels. Here are some examples of the free math courses and subjects you can find on Khan Academy:

  1. Arithmetic: Learn and practice basic arithmetic operations, including addition, subtraction, multiplication, and division.
  2. Pre-Algebra: Explore foundational concepts such as fractions, decimals, ratios, percentages, and negative numbers.
  3. Algebra: Cover topics like linear equations, quadratic equations, functions, inequalities, and graphing.
  4. Geometry: Study geometry concepts such as angles, triangles, circles, polygons, and three-dimensional shapes.
  5. Trigonometry: Learn about trigonometric functions, identities, and their applications.
  6. Precalculus: Dive into advanced algebra, functions, conic sections, and complex numbers.
  7. Calculus: Explore calculus topics, including limits, derivatives, integrals, and their applications.
  8. Statistics and Probability: Gain insights into statistical analysis, data interpretation, and probability theory.
  9. Linear Algebra: Study linear algebra concepts, including vectors, matrices, and systems of linear equations.
  10. Multivariable Calculus: Delve into calculus in multiple dimensions, including partial derivatives and multiple integrals.
  11. Differential Equations: Learn about ordinary differential equations and their solutions.
  12. Advanced Topics: Khan Academy offers more specialized content in areas like linear algebra, differential equations, and linear programming.

These math courses on Khan Academy are suitable for learners of all ages and skill levels, from elementary school students to college-level learners and beyond. Khan Academy’s interactive and self-paced approach allows you to learn and practice math at your own speed, making it a valuable resource for anyone looking to improve their math skills.

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