Basic Principles of Algebra I

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.