National Council of Teachers of Mathematics
The Math Forum: Against the Odds Lesson Plan
Teachers can find ideas for their probability lesson plans here. For example, there is an interdisciplinary unit dealing with disabilities and probability as well as one using a field trip to Sea World.
National Council of Teachers of Mathematics
The Math Forum: Seventh Grade Math: Area and Perimeter
Learn how to enlarge drawings, figure out how much tile to buy to cover a specific floor, and learn about area and perimeter. These and other lesson plans are provided, including a fun interdisciplinary plan featuring dragons.
Other
Geography Through Literature Pacific Islands
This site is a highly detailed unit plan. That crosses almost all the disciplines, with "Call it Courage," as the beginning point. Links to a .pdf file and Word versions of handouts are available.