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

Elementary algebra is the main form of algebra taught in schools. It examines mathematical statements using variables for unspecified values and seeks to determine for which values the statements are …

Algebra is great fun - we get to solve puzzles! What is the missing number? OK, the answer is 6, right? Because 6 − 2 = 4. Easy stuff. Well, in Algebra we don't use blank boxes, we use a letter (usually an …

Jul 23, 2025 · This section covers key algebra concepts, including expressions, equations, operations, and methods for solving linear and quadratic equations, along with polynomials and factorization.

Oct 24, 2025 · Algebra is the branch of mathematics in which abstract symbols, rather than numbers, are manipulated or operated with arithmetic. For example, x + y = z or b - 2 = 5 are algebraic …

Welcome to Denison Algebra! We're on a mission to provide video based, brain-friendly math courses that foster retention, build confidence, and equip learners to thrive in high school math and beyond.

Algebra is the branch of mathematics that uses symbols to represent numerical values or members of a set of numbers. This representation is called an algebraic expression.

May 31, 2024 · Algebra is a fundamental branch of mathematics that deals with symbols and the rules for manipulating those symbols. It's a powerful tool used in various fields like science, engineering, …

Step-by-step Video Lessons for learning Algebra.

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