Learn the basics of algebra—focused on common mathematical relationships, such as linear relationships.

Explore comprehensive Algebra 1 lessons, interactive exercises, and videos to master algebra concepts and enhance problem-solving skills on Khan Academy.

Learn algebra—variables, equations, functions, graphs, and more.

Algebra (all content) 20 units · 412 skills Unit 1 Introduction to algebra Unit 2 Solving basic equations & inequalities (one variable, linear) Unit 3 Linear equations, functions, & graphs

This topic isn't algebra, but it is a survey of all of the most important pre-algebra skills you need to really digest algebra. These skills also tend to be pretty important in life in general!

This Arithmetic course is a refresher of place value and operations (addition, subtraction, division, multiplication, and exponents) for whole numbers, fractions, decimals, and integers. If you are …

Khan Academy offers free, world-class education in various subjects including math, science, and arts, aiming to make learning accessible for everyone globally.

College Algebra 14 units · 105 skills Unit 1 Linear equations and inequalities Unit 2 Graphs and forms of linear equations Unit 3 Functions

The core idea in algebra is using letters to represent relationships between numbers without specifying what those numbers are! Let's explore the basics of communicating in algebraic expressions.

Pre-algebra Learn pre-algebra—all of the basic arithmetic and geometry skills needed for algebra.