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. Lessons require 1 to 2 days. A collection of lessons on factoring from Forum Teacher Associate Suzanne Alejandre. Using algebra tiles, students find a geometric basis for factoring.