Math Links that I think you will enjoy
Five out of four people have trouble with fractions
Cool Math
This site is designed for the pure enjoyment of mathematics
Ask Dr. Math
This site answers your math questions.
AAA Math
Math baseball
Figure this
There are 10 kinds of people in this world:  those who count in binary, and those that don't
Hundreds of pages of basic math skills.
Play math baseball.
Check out the graphing calculator.
Take a math challenge.