Accelerated Reader (AR) list http://www.dallassd.com/our%20schools/middle%20school/AR%20book%20list%206-04.htm
Math flashcards and practice http://www.aplusmath.com/Flashcards/index.html
Count your change http://www.funbrain.com/cashreg
Fun word problems http://www.mathplayground.com/solveit.html
More Math! http://www.math.com/
Can you build a sentence? http://fen.com/studentactivities/WallOfWords/wow19.html
Create your own story http://www.rif.org/readingplanet/gamestation/storymaker/default.aspx
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/
Multiplication practice http://www.mathplayground.com/Math_Munchers.html
Discovery Channel for Kids http://kids.discovery.com/
Weather Channel http://www.weather.com
Animal Planet http://animal.discovery.com/