**Michael Matthews** is an
Assistant Professor in the Mathematics Department at the University of Nebraska
at Omaha. His research interest lie in improving content and pedagogical
knowledge of preservice teachers, effective uses of
technology in teaching mathematics, and problem solving.

**Neal Grandgenett** is a Professor of Mathematics
Education, in the Department of Teacher Education at the University of Nebraska
at Omaha. His research interests involve the effectiveness of
technology-based learning environments in STEM instruction, as well as the
integration of Technological Pedagogical Content Knowledge (TPACK) in preservice teacher education.

**Janice
Rech** is an
Associate Professor in the Mathematics Department at the University of Nebraska
at Omaha. Her research interest focuses on the mathematical content
knowledge of preservice elementary teachers and she
is involved with development and delivery of mathematics courses for inservice middle school teachers.