Math Magician
www.oswego.org/ocsd-web/games/Mathmagician/mathsadd.html
Gamequarium
http://www.gamequarium.com/
Other Practice Sites
Here is a list of websites for you to practice your math skills over the summer!
www.oswego.org/staff/cchamber/techno/games.htm
http://www.funbrain.com/
http://www.mathisfun.com/
http://www.playkidsgames.com/
http://www.shodor.org/interactivate/activities/http://nlvm.usu.edu/en/nav/vlibrary.html
