by James W. Brennan
Number of pages: 106
A brief overview of pre-algebra and introductory algebra topics, written in a style meant to give you the basic facts in a way that is easy to understand. This text is suitable for high-school Algebra I, as a refresher for college students who need help preparing for college-level mathematics, or for anyone who wants to learn introductory algebra.
Download or read it online here: Understanding Algebra