percentage+games

http://www.funbrain.com/cgi-bin/pw.cgi?A1=s&A2=1

http://www.mathplayground.com/balloon_invaders_percent.html

http://www.kidsmathgamesonline.com/numbers/percentages.html

http://pbskids.org/cyberchase/math-games/mission-magnetite/

http://www.mathplayground.com/percent_shopping.html