College Board
Calculus at the Battle of Trafalgar
All's fair in math and war. Scholars examine the Battle of Trafalgar using calculus. They set up and solve a system of differential equations to determine the number of ships remaining in each fleet over time.
University of Regina (Canada)
University of Regina: Math Central: Measurement: An Elementary Resource List
University of Regina senior education mathematics students compiled this this in-depth resource list for elementary and middle school grades. The resources are categorized according to: supporting program materials, print resources,...
National Council of Teachers of Mathematics
Nctm: Standards for School Mathematics
This standards-based NCTM website offers resources for teachers of mathematics for all grade levels, including interactive math tools, lesson plans, online resources, and the like.
Other
Duke: Center for Inquiry Based Learning
Duke University has established the Center for Inquiry-Based Learning. It serves to enhance math and science lessons. Click on Resources for good examples of Inquiry-based lesson plans.