Algebra Review in Ten Lessons
Features discussion of topics, user interactivity through multiple choice quizzes, in-line examples and exercises with complete solutions, and pop-up graphics. Available in pdf.

FlexMath
The CK-12 Foundation presents their successful interactive resource for teaching algebra to students.

IB Math Studies
With information taken from chapter Functions 1 of the IB Mathematical Studies textbook.

Lesson Tutor: Algebra Grade 9
Targeted to students of all grades and abilities. Includes basic lessons such as solving for x, order of operations, and expressions from equations.

Math Dork
Provides Algebra I lessons through animations.

Ms. Lindquist: The Tutor
Free, web-delivered system for tutoring students in writing expressions and for algebra word problems.