Games at different reading levels http://www.earobics.com/gamegoo/gooey.html
What's in the bag? http://www.readwritethink.org/materials/in_the_bag/index.html
ABC games http://www.starfall.com
Sightword matching game http://www.starfall.com/n/matching/sight-words/play.htm?f
Make-A-Word http://www.starfall.com/n/make-a-word/silent-e/load.htm?
Numbertime http://www.bbc.co.uk/schools/numbertime/index.shtml
Nasa for children http://www.nasa.gov/audience/forkids/kidsclub/flash/index.html
money games and more http://www.primarygames.com
math facts http://www.factmonster.com
great math site http://www.fun4thebrain.com