This exploration, with activity sheets, engages students in mathematical argumentation and reasoning using pentominoes.
Michael Todd Edwards, firstname.lastname@example.org, is in the department of teacher education at Miami University in Oxford, Ohio. He enjoys exploring mathematics and pedagogical matters with his three school-age children.
Michael S. Meagher, email@example.com, works at Brooklyn College–CUNY preparing teacher candidates to work in New York City public schools.
S. Asli Özgün-Koca, firstname.lastname@example.org, teaches secondary school mathematics education courses at Wayne State University in Detroit. She is interested in the use of technology in mathematics instruction.