These notes are used introduce the concept of a matrix and its parts. It does not go into any operations. Instead, it explains the parts of a matrix, how to determine the dimension, how to locate an element, and how to create a matrix from an application problem. It is correlated to Glencoe's Algebra I Book, but can be used for any book or lesson. It starts with an area for the essential question, definitions, examples, and finally an area for the essential question to be answered. The head