Starfall http://www.starfall.com
National Geographic for Kids http://www.nationalgeographic.com/kids/
Reading Rockets-Reading Comprehension & Language Arts Teaching Strategies for Kids http://www.readingrockets.org
PBS Kids http://pbskids.org
FunBrain-games & puzzles for kids http://www.funbrain.com
Online skills across the curriculum http://www.internet4classrooms.com/skills_3rd_original.htm
http://www.earobics.com/gamegoo/gooey.html
http://www.dositey.com/mathk2.htm
Skills practice http://www.aaaknow.com/grade3.htm
http://lyonelementary.stpsb.org
http://www.coolmath4kids.com/
http://www.gamequarium.com/
Practice your spelling words in a variety of ways. Spelling City