This is a fun web site for math and some reading games. http://www.funbrain.com/kidscenter.html
Money Games http://www.usmint.gov/kids/index.cfm?flash=yes
Math fun! http://www.coolmath.com/
Math puzzles and more! http://www.jigzone.com/
Awesome practice and games with a variety of math concepts! http://www.mrsdingman.homestead.com/MathLinks.html