We offer free math help to everyone. If you need something to be explained in easy-to-understand terms, browse our lessons and watch a video.

## Lessons, Feedback, and Assessment

After going through a lesson, try a set of practice problems to put your new knowledge to test and commit it to memory. You can learn as you practice. An explanation for each questions is available immediately after each question, so you can learn from your mistakes before you move on to the next questions. Plus, we’ll keep track of your progress for you, so you’ll know your strengths and weaknesses. This way, when you are ready to prepare for a test, you’ll know exactly what you need to focus on.

## Free Math Subjects:

### Pre-Algebra (Common-Core)

Integers, Decimals, and Fractions; Beginning Algebra; Equations; Factors and Exponents; Proportions and Similarity; Percents; Linear Equations and Inequalities; Plane Figures; Solid Figures; Right Triangles; Beginning Polynomials; Statistics

### Algebra 1 (Common-Core)

Introduction to Algebra; Solving Equations; Solving Inequalities; Functions; Linear Functions; Systems of Equations and Inequalities; Exponents and Exponential Functions; Polynomials; Quadratic Functions and Equations; Radical Expressions and Functions; Rational Expressions and Functions; Data Analysis and Probability

### Geometry (Common-Core)

Parallel and Perpendicular Lines; Congruent Triangles; Relationships with Triangles; Polygons and Triangles; Right Triangles and Trigonometry; Transformations; Area; Surface Area and Volume; Circles

### Algebra 2 (Common-Core)

Expressions, Equations, and Inequalities; Functions, Equations, and Graphs; Linear Systems; Quadratic Functions and Equations; Polynomials and Polynomial Functions; Radical Functions and Rational Exponents; Exponential and Logarithmic Functions; Rational Functions; Sequences and Series; Quadratic Relations and Conic Sections; Probability and Statistics; Matrices; Periodic Functions and Trigonometry; Trigonometric Identities and Equations