The basics of number theory and set notation are explained in a highly approachable way in a self-contained lesson and worksheet. Introducing the vocabulary and concepts from ground zero and building to more complex ideas of subsets...

In this matrices and vectors learning exercise, students solve 9 various types of problems related to forming matrices and vectors. First, they set up each system of equations listed in matrix form using mathematical notation. Then,...

In this matrix operations worksheet, students solve 3 different sets of problems that include matrix operations. They solve each matrices and explain the relation between the computed matrices in each problem. Then, students prove or...

Learn how to multiply and divide numbers when they are written in scientific notation with this easy-to-follow tutorial.

This is a fantastic site that teaches basic music reading, especially as related to the guitar. Although the site is a promotional software site, the trial version is excellent by itself.