ABC YA
Junie B. Jones
Tumble Books
Math:
IXL
EduPlace - Houghton Mifflin
Math Playground
Cool Math Games
Math Resources K-5
Math Games.Org
Mathemorphosis
Multiple Subject:
Dance Mat Typing
Discovery for Kids
National Geographic for Kids
Sheppard Software
Mr. Nussbaum
Just for Fun:
Make a Snowflake
Fun Brain
San Diego Zoo