This is a continuing series on Web2.0 and other web-based tools for educators. This information is specific to math educators, but there is some crossover into ccience. Math educators will find a large number of useable interactive companion web sites for the teaching of math concepts and skills.
Spring Branch ISD is now working with MangaHigh. They are uploading student rosters for teachers so that SBISD teachers can assign challenges to their students. It's a great motivational tool to which our teachers and students have access.