WeBWorK is an open-source online homework system for math and sciences courses. WeBWorK is supported by the MAA and the NSF and comes with a National Problem Library (NPL) of over 20,000 homework problems. Problems in the NPL target most lower division undergraduate math courses and some advanced courses. Supported courses include college algebra, discrete mathematics, probability and statistics, single and multivariable calculus, differential equations, linear algebra and complex analysis.
Innovative Teaching Exchange Welcome to the MAA Online Innovative Teaching Exchange! The purpose of the Exchange is to allow people teaching mathematics at the college level to share new methods they have tried, invented, or discovered, which they feel help the students learn better and/or more easily.