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Algebra

Learn to work with variables and equations: from solving for x to functions, polynomials, exponentials and logarithms.

21 free sites · 18 in English.

1. Khan Academy – Algebra 1 English khanacademy.org

   Linear equations, inequalities, functions and systems.

   For: Middle & high schoolCollege

2. Khan Academy – Algebra 2 English khanacademy.org

   Polynomials, rational functions, exponentials and logs.

   For: Middle & high schoolCollege

3. OpenStax – Elementary Algebra 2e English openstax.org

   Free introductory algebra textbook.

   For: Middle & high school

4. OpenStax – Intermediate Algebra 2e English openstax.org

   Free intermediate algebra textbook.

   For: Middle & high schoolCollege

5. OpenStax – College Algebra 2e English openstax.org

   Free college algebra textbook.

   For: College

6. Paul’s Online Notes – Algebra English tutorial.math.lamar.edu

   Complete college algebra notes with examples.

   For: Middle & high school

7. Purplemath English purplemath.com

   Clear, practical algebra lessons.

   For: Middle & high school

8. Math is Fun – Algebra English mathsisfun.com

   Algebra topics explained visually.

   For: Elementary schoolMiddle & high school

9. Mathplanet English mathplanet.com

   Free online courses in pre-algebra, algebra 1 and 2.

   For: Middle & high school

10. CK-12 – Algebra English ck12.org

    Interactive algebra lessons and practice.

    For: Middle & high school

11. Wikibooks – Algebra English en.wikibooks.org

    Free, open algebra textbook.

    For: Middle & high schoolCollege

12. Kuta Software – Free worksheets English kutasoftware.com

    Algebra worksheets with answer keys.

    For: Middle & high school

13. Art of Problem Solving – Alcumus English artofproblemsolving.com

    Adaptive problems for advanced students.

    For: Middle & high school

14. Mathispower4u (YouTube) English youtube.com

    Thousands of short worked examples.

    For: Middle & high schoolCollege

15. Brian McLogan (YouTube) English youtube.com

    Algebra and precalculus, step by step.

    For: Middle & high school

16. The Organic Chemistry Tutor (YouTube) English youtube.com

    Huge library of math and science walkthroughs.

    For: Middle & high schoolCollege

17. Professor Leonard (YouTube) English youtube.com

    Full-length intermediate algebra lectures.

    For: College

18. Desmos Multilingual desmos.com

    Graph functions and see how they change.

    For: Middle & high school

19. GeoGebra – Graphing calculator Multilingual geogebra.org

    Graphs, equations and symbolic algebra.

    For: Middle & high school

20. GeoGebra – CAS calculator Multilingual geogebra.org

    Solve equations and simplify expressions.

    For: Middle & high school

21. Solve Me Mobiles English solveme.edc.org

    Balance puzzles that build algebraic thinking.

    For: Elementary schoolMiddle & high school