^{*}Leigh Haltiwanger, haltiwa@clemson.edu, and Amber M. Simpson, amsimps@clemson.edu, are doctoral students in Curriculum and Instruction in Mathematics at Clemson University in Clemson, South Carolina. Haltiwanger teaches in the School of Education. Her interests include disciplinary literacy and using technology to drive inquiry in mathematics. Simpson is interested in finding innovative ways to support preservice and in-service teachers in teaching mathematics.