Our textbook website http://www.classzone.com
Fact monster, filled with many cool facts for all subjects http://www.factmonster.com
Definitions, flashcards, and games all dealing with math http://www.allmath.com
cool math games http://www.coolmath.com
cute Christmas song http://www.youtube.com/watch?v=wloOTCsNRRg&feature=channel
web grader http://www.webgrader.com
NASA for middle-school students http://www.nasa.gov/audience/forstudents/5-8/features/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
Fun activities - by girls....for girls. http://www.missoandfriends.com/
math counts http://www.mathcounts.org
You tube presentation on solving equations. Check out some of the related videos, they are useful also. http://www.youtube.com/watch?v=VV67Uj1Ct14
teachers teaching various topics, like you tube but more education http://www.teachertube.com