Interactive Mathematics National Library of Virtual Manipulatives for Interactive Mathenmatics from Utah State University. Has activities on a variety of math concepts for PreK-12 grade.
Go Figure (Intermediate Math Games) fen.com/studentactivities/gofigure/gofigure.html
The Exploratorium www.exploratorium.edu Have fun exploring featured topics in science, math and technology.
Ask Dr. Math mathforum.org/dr.math Search the archive for math questions that have already been asked and answered or ask your own.
Aunty Math-Fun Math Challenges for Kids http://www.dupagechildrensmuseum.org/aunty/index.html This site from DuPage Children's Museum has a new kids math challenge every two weeks. You can also see past challenges and try them yourself.
Kids Design Network http://www.dupagechildrensmuseum.org/kdn/index.html Kids can design gadgets to solve problems.
Fun Stuff for Kids http://www.dupagechildrensmuseum.org/online_stuff.html
