http://www.algebrahelp.com Algebrahelp.com is a collection of tools created to assist students and teachers of algebra.   Practical Algebra Lessons from Purplemath Algebra Lessons by a professor of mathematics and is a very popular site.   Algebra Solutions For a quick review of the subject, click on Mini-Lessons. GoMath’s Mini-Lessons will guide you through the topics with graphics and examples. For additional practice off-line, click on Worksheet. All worksheet are in printable format.