If your question has not been answered there, send it in for an answer by one of 100 math doctors from around the world. This site provides teachers with ways to increase their effectiveness with lessons, activities, articles, and the highlighting of 13 outstanding sites every month. The Geometry Center Lots and lots of math-based computing activities. The title pretty much explains it all. You can find information by subject, region, or timeline.
Site also includes reference to related online and print resources.
This is a good site, especially for those who feel they 'hate math' or can't be any good at it. It has a very good essay on the fear of math so many people seem to have and provides games and puzzles dealing with arithmetic, algebra, geometry, and probability. Another great feature is the CTK Exchange for questions and answers. Magic Squares Magic Squares are fun mathematics, and this site is a great resource on the subject. This site was constructed for use with a California 7th grade general math class and contains basic curriculum and reference links, as well as a list of links specifically related to each topic in the curriculum, such as algebra, statistics and probability, geometry, etc.