http://www.pbskids.org
– Educational games and videos from Curious George, Wild Kratts and other PBS KIDS shows!
http://www.abcmouse.com
– ABCmouse.com helps kids learn to read through phonics, and teaches lessons in math, social studies, art, music, and much more.
http://www.brainpop.com
– Animated Science, Health, Technology, Math, Social Studies, Arts & Music and English movies, quizzes, activity pages and school homework help for K-12 kids.
http://www.funbrain.com
– FunBrain for educational online games for children. Subject related arcades in math and reading, online games, books and comics and more fun.