This is an algebra tiles lesson in factoring polynomials. The link found a the bottom of the page links to an index of over two hundred lesson plans in various mathematical topics.

A wealth of material to supplement classroom instruction on factoring of polynomials. Lessons offer methods and guidelines for factoring as well as examples; practice exercises allow students to begin testing their factoring skills; and...

Explains five methods for multiplying binomials: (Distributive Method, FOIL Method, Vertical Method, Grid Method, and Using Algebra Tiles).