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

Created by experts, Khan Academy’s library of trusted, standards-aligned practice and lessons covers math K-12 through early college, grammar, science, history, AP®, SAT®, and more.

The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a function; Exponential …

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

Learn fifth grade math aligned to the Eureka Math/EngageNY curriculum—arithmetic with fractions and decimals, volume problems, unit conversion, graphing points, and more.

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.

Unit 9: Relating algebra and geometry Unit mastery: 0% Distance and midpoints Standard equation of a circle Expanded equation of a circle

Khan Academy's Algebra 2 course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!

The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a function; Exponential …

Get ready for Algebra 1! Learn the skills that will set you up for success in equations and inequalities; working with units; linear relationships; functions and sequences; exponents radicals, and irrational …