Websites
Math
http://www.aplusmath.com/
http://www.aaamath.com/
http://www.funbrain.com/
http://www.factmonster.com/
http://www.playkidsgames.com/mathGames.htm
Language Arts
http://primarygames.com/reading.htm
http://www.spellingcity.com/
http://www.funbrain.com/words.html
http://www.readwritethink.org/
http://www.readingrockets.org/