This site is a work in progress. There are a variety of hands-on activities. Miami Zoo Students will work with measurment, area, and volume. The Prime Page Cool stuff about Prime Numbers Teaching Mathematics in the Middle and Secondary Schools - 40 lesson plans created by teachers from Florida. Covers grades 4-12.
Lessons contain detailed explanations and directions.
A number of the lessons are integrated with other disciplines. NCTM standards are documented. Some lessons utilize websites. Projects require practical use of math in real life situations. More than 30 lessons with fairly simple preparation.