Robert F. Cunningham is a professor in the Mathematics & Statistics Department at The College of New Jersey, where he teachers mathematics content and methods courses.� He holds an Ed.D. from Temple University in Secondary Mathematics Education, a M.A. from Villanova University in Mathematics, and a B.A. from LaSalle University in Mathematics. His research interests include the teaching and learning of elementary and secondary mathematics.�����

Allison Roberts earned a B.A. in Mathematics with a concentration in Secondary Education from The College of New Jersey. She has made presentations at professional conferences and authored this paper as an undergraduate.� She currently teaches algebra and geometry at Westfield High School in New Jersey.� Her research interests include the teaching and learning of mathematics. �