The algebra index of the extensive S.O.S.Math site has lessons and reference material on units of conversion, complex numbers, equations, and much more. Each section features a concise review, notation, examples, and...

Created by Nathan Kahl for the Connected Curriculum Project, the purpose of this module is to study properties of the graphs of the basic trigonometric functions, sine and cosine. This is one within a much larger set of...

A collection of almost 200 single concept lessons. The lessons are divided into the following categories: Geometry and Measurement, Patterns and Logic, Probability and Statistics, Recreational and Creative Math,...

This course, presented by MIT and taught by professor Sanjoy Mahajan, teaches guessing results and solving problems without having to do a proof or an exact calculation. The material is useful for students who have a...

This site, created by Maria Andersen of Muskegon Community College, has a great deal of information for math instructors. Its purpose is to create and support the community of teachers by provide a space for them to...