Sumfun is an interesting list of math links. BasketMath allows you to shoot the a basket every time you solve a problem correctly. Edmark's Mighty Math Club Just started to highlight their new series of math games. They also offer an option for creating or downloading pre-made quizzes. Hershey Fractions explains how to change your junkfood craving into a lesson.
Multiplication Rock offers the words to all the songs as well as the videos.
Pre-Algebra is a complete, free course on the net. Room 108 Math is a collection of interactivities covering the four basic operations. Saxon Publishers' Online Activities is a great way to practice your math facts. Geometry Math Clinic allows you to e-mail in questions about trigonometry, geometry, calculus, linear algebra, numerical analysis, and discrete math and they will reply with an explanation. Ptolemy's Ptools is a group of home schooled high schoolers' entry in the International Think Quest Competition.