Free worked-solution library · Grades 6 to 12

See how one problem is solved, step by step.

EZ Math solves one problem per page. You get the answer first, then every step, then the common mistakes. Finally, five practice problems with hidden answers.

  • Free, no account
  • Every step explained
  • Answers checked before publish

Choose a course

All courses
  • Order of operations, negative numbers, ratios and rates.

    Grades 6 to 8 3 topics · 5 examples

  • Equations, systems of equations and linear functions.

    Grades 8 to 9 3 topics · 5 examples

  • Quadratics, factoring, exponents and radicals.

    Grades 9 to 11 3 topics · 5 examples

  • Triangles, circles, area and volume.

    Grades 9 to 10 3 topics · 5 examples

  • Right triangles, radians, the unit circle and sine waves.

    Grades 10 to 12 3 topics · 5 examples

  • Functions, logarithms, sequences and series.

    Grades 10 to 12 3 topics · 5 examples

  • Limits, derivatives and integrals.

    Grades 11 to 12 3 topics · 5 examples

  • Mean, median, range and probability.

    Grades 11 to 12 2 topics · 5 examples

Start with Algebra 1

Open the Algebra 1 hub

Algebra 1 has the most search demand of the school courses. These examples cover equations, systems and lines.

How each page works

  1. Problem and answer

    Read the problem and the one-line answer.

  2. Numbered steps

    Follow the steps. Each one does one action and says why it is allowed.

  3. Common mistakes

    Check the mistakes students make most often.

  4. Practice

    Try five practice problems. Answers are one click away.

Every problem is written for EZ Math. The math is checked before publish. You can also try the textbook-style practice sets.