Ready to learn the basics of algebra? Math Fortress introduces you to variables – what they are, how they operate, and the ways in which they are written.

Take your algebra skills to the next level! In this math lesson, learn about true or false statements and simplifying numerical and variable expressions.

In this math lesson, learn the proper way to simplify numerical expressions using grouping symbols, nested grouping, and the order of operations.

Are you ready to tackle fraction bars and variables? Learn how to evaluate expressions, fill in the blank, and create true statements in this algebra lesson.

If learning algebra, you understand there's a difference between expressions and equations. Learn about open and closed sentences, and how equations relate.

Continue practicing your knowledge of solving equations and finding true solution sets for a given domain in this algebra lesson from Math Fortress.

Math isn't all numbers and symbols; sometimes there are written phrases involved! This algebra lesson shows how to translate words into variable expressions.

Take your knowledge of translating written phrases into variable expressions further by running through some examples of algebraic expressions and formulas.

Now that you're comfortable translating words into algebraic expressions, move on to translating full sentences into equations with the addition of "is."