Fun for you http://kids.yahoo.com/index
Kids Style News http://kidsnewsroom.org/newsissues/042106/index.asp
Math Practice http://www.thatquiz.com/
Multiplication http://www.multiplication.com/flashcards.htm
More Multiplication Games http://www.multiplication.com/games.htm
More http://www.aplusmath.com/games/matho/MultMatho.html
More http://www.netrover.com/~kingskid/MulTab/Applet.html
Awesome Multiplication Games http://www.bristolvaschools.org/tdingus/multiplication_help.htm
We use these at OLQP http://www.internet4classrooms.com/skills_3rd_original.htm
Game Goo - Learning that sticks! http://www.cogcon.com/gamegoo/gooey.html
Practice Vocabulary http://www.vocabulary.co.il/
Lots of Fun! http://www.sparktop.org/explore/explore.html
Visit the Mayflower http://www.scholastic.com/scholastic_thanksgiving/voyage/tour.htm
Lite Brite page http://www.sfpg.com/animation/liteBrite.html#
Make words-Fun!! http://www.readwritethink.org/materials/construct/index.html