Joey Mason, email@example.com, teaches fifth grade at Westwood Hills Elementary School in Waynesboro, Virginia. She is interested in student-centered mathematics instruction where students discover the meaning behind the mathematics.
Erin Shifflett, firstname.lastname@example.org, also teaches fifth grade at Westwood Hills Elementary School. She is interested in problem solving and student-centered mathematics instruction.
Edited by LouAnn H. Lovin, email@example.com, and Ann Wallace, firstname.lastname@example.org, who teach mathematics methods and content courses to prospective teachers and classroom teachers at James Madison University in Harrisonburg, Virginia. This TCM department highlights classroom-tested multilesson units that develop conceptual understanding of mathematics topics. Classroom teachers may reproduce this material for use with their own students without requesting permission from the National Council of Teachers of Mathematics. Readers may submit manuscripts appropriate for this department by accessing http://tcm.msubmit.net. See detailed submission guidelines at http://www.nctm.org/tcmdepartments.