A team at Utah State University has assembled this impressive collection of interactive, educational online Java applets. The tools are suited for students in kindergarten through twelfth grade. There are five main categories of applications, consisting of numbers and operations, algebra, geometry, measurement, and data analysis and probability. Each category has a number of applets that...

The Show-Me Center, located at the University of Missouri, is a math education project of the National Science Foundation. The center's Web site "provides information and resources needed to support selection and implementation of standards-based middle grades mathematic curricula." There are some sample lesson plans offered, but most of the material is solely for use by teachers. Five different...