Along with previous learning, general knowledge and personal encounters influenced students when the Letter Carrier problem was delivered to them.
Jennifer A. Czocher, firstname.lastname@example.org, teaches mathematics and mathematics education at Texas State University in San Marcos. She works with students to develop mathematical modeling skills they can use beyond their mathematics classes.
Diana L. Moss, email@example.com, is an assistant professor of mathematics education at Appalachian State University in Boone, North Carolina. She is interested in the development of student understanding of algebra. Her work in this area stems from her experience as a middle-grades classroom teacher and her current work with preservice teachers.