Education Helper http://www.edhelper.com/
National Geographic for Kids http://www.nationalgeographic.com/kids/
Fun Brain http://funbrain.com/kidscenter.html
Handwriting http://www.handwritingforkids.com/
Math http://www.aplusmath.com/games/matho/MultMatho.html
Multiplication http://www.multiplication.com/interactive_games.htm
Math Games http://www.scweb4free.com/elementarymathgames.htm