Algebra is a branch of mathematics relating to the study of structure, relation and quantity. It can also be said to be the mathematics of generalized arithmetical operations.
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Provides online algebra and math homework solvers, lessons and free tutors. Covers pre-Algebra, Algebra I, Algebra II, Geometry, and Physics with step-by-step help. - Algebra Homework Help
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The Algebra Project is a national, non-profit organization that uses mathematics as a measuring tool, and as a means of ensuring that children in America receive a quality public school education. An overview of its programs and accomplishments are related, along with books, article, and links to related material. - Algebra Project
http://www.algebra.org/
Developed primarily by Elizabeth Stapel, who holds a master's degree in mathematics, Purplemath features thousands of pages of course materials specific to helping children learn algebra. The resources available include the lessons themselves, along with learning forums, site reviews, homework guidelines, and a study skills self-survey. - Purplemath
http://www.purplemath.com/