http://fun4thebrain.com/addition/snagger.html#FlashID
http://www.roomrecess.com/pages/BlockBuster.html
http://www.fun4thebrain.com/addition/alienmunchadd.html
http://fun4thebrain.com/addition/sketchadd.html#FlashID
http://fun4thebrain.com/addition/addPeabody.html#FlashID
http://www.abcya.com/math_facts_game.htm