Here are some links to web sites that might (or might not) be of interest to elementary math educators.  Browse for a while and see what you think.

• The Math Forum
• The National Council of Teachers of Mathematics
• Illinois Council of Teachers of Mathematics
• Illinois Learning Standards
• Chicago Public Schools
• St. Clair County Regional Office of Education Elementary Level Mathematics Resource Room
• Oak Park School District 97
• Teachers.net
• The Pavilion of Polyhedreality
• The Fractal Microscope
• Cinderella's Cafe (German language)
• NASA and the Hubble Space Telescope
• Internet Science and Technology Fair
• More on Frieze Patterns!
• Math Forum Elementary Problem of the Week
• Totally Tessellated
• The Geometry Center
• The Adler Planetarium
• Teacher Created Materials
• Key Curriculum Press
• Silver Burdett and Ginn Mathematics