http://www.prongo.com/math/multiplication.html (Batter's up Baseball game)
http://www.coolmath4kids.com/ (Coolmath 4 Kids)
http://www.gamequarium.com/math.htm (Gamequarium)
http://math-and-reading-help-for-kids.org/kids_games/flip_it.html (Flip It)
http://www.funbrain.com/ (Funbrain)
http://www.funology.com/arcade/ (Funology)
http://funschool.kaboose.com/index.html (Funschool)
http://kids.nationalgeographic.com/ (National Geographic Kids)
http://www.timeforkids.com/TFK/kids/news (Time for Kids)