White House for Kids http://www.whitehouse.gov/kids/whlife/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
Time for Kids http://www.timeforkids.com/TFK
Scholastic News http://www.scholastic.com/
Math word problems http://www.mathlibs.com
Games for all subjects- Click on 3rd grade http://www.funbrain.com
Math facts practice, games, worksheets and homework help http://www.aplusmath.com