This document is an index for a lesson on algebraic expressions. It includes sections on coefficients, variables, constants and terms; monomials; binomials and trinomials; the structure of algebraic expressions; and multiplying algebraic expressions using horizontal and vertical methods for monomials by binomials, binomials by binomials, and binomials by trinomials. The document was created by Saisadashiva Kundurmutt and Nikhil Manek on February 3, 2013.