Students in Precalculus class would find this website very useful. It has some problems you practice with. Just follow this directions to find the precalculus book.
Select:
Demana: Precalculus: Graphical, Numerical, Algebraic, 7e
Your textbook cover should appear. You can choose the chapter and section that you want to practice in. Chapters average around 80 practice problems. You can also print off problems and results.
In this website you can sign up to use some the ebooks for Algebra, Geometry and Algebnra 2. It also has some interactive problems to test your knowledge and games were you can improve you r math skills while you have fun playing the game.
This site gives you pretty much all the information you need on algebra and the definitions of words along with how to solve formulas and do equations. It's a really helpful website that has a lot of good information on it.
This site is dedicated to younger aged students. It is geared toward kindergarten through 8th grade. It has educational resources for students, parents, and teachers.
This website offers all kinds of math for ages 13 to 100. They have math for kids, teacher help stuff, parent's stuff, games, and even some science stuff.