White House for Kids http://www.whitehouse.gov/kids/whlife/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
Fun activities - by girls....for girls. http://www.missoandfriends.com/
Lesson Planet's math cafe Use flash cards to practice math facts (not timed) http://www.mathfactcafe.com/view/viewflash.aspx?vid=310&g=1&f=f_a_0to2
Math Magician Timed Math Facts addition and subtraction http://www.oswego.org/ocsd-web/games/Mathmagician/cathymath.html
Math magic 50 and 100 facts http://www.oswego.org/ocsd-web/games/Mathmagician/maths1.html
Polygon Playground http://www.mathcats.com/explore/polygonplayground.html
Mad Libs http://www.funbrain.com/brain/ReadingBrain/ReadingBrain.html?Password=null
Practice, play games or take a test on your spelling words http://www.spellingcity.com
Enter the title of a book to find out if it is a Reading Counts book. Also helpful in finding out the level of a book. Reading Counts book check
Vocab and Big Ideas in Science Harcourt Science