Solutions A preservice teacher's initial experiences facilitating mathematics discussions during her internship demonstrate how they offer students a chance to articulate strategies and reasoning; extend understandings through exposure to new ideas; and make connections among concepts, methods, and representations.
Gwendolyn M. Lloyd, lloyd@psu.edu, is the Henry J. Hermanowicz Professor at Penn State University, where she works with prospective teachers, classroom teachers, and doctoral students and conducts research about mathematics teacher development.