Students develop ownership and increase their understanding of mathematics when they are allowed to discuss alternative perspectives.
Gloriana González, firstname.lastname@example.org, is an assistant professor of mathematics education in the Department of Curriculum and Instruction at the University of Illinois Urbana-Champaign. She taught middle school mathematics in Puerto Rico and Massachusetts. Her research interests include classroom discourse and problem-based instruction.
Anna F. DeJarnette, email@example.com, is a doctoral student in mathematics education at the University of Illinois Urbana-Champaign. She is interested in student learning and using interesting problems to teach mathematics.