This dissertation study describes the nature of the mathematical knowledge required to teach a unit on exponents at the secondary school level, and further explores the adequacy of extant theoretical models for characterizing that knowledge. Researchers agree that teacher content knowledge contributes to teaching quality, which in turn contributes…

The purpose of this study is to examine the impacts of integrating new literacies practices into high school curriculum content classrooms. This study examined data collected through observations and semi-structured interviews conducted with four high school content curriculum teachers. Analysis of the data resulted in essential findings emerging…

This study sought to understand the process of change elementary teachers experienced as they participated in mathematics professional development. This investigation explored the impact of mathematics professional development on teachers' content knowledge for teaching, their ability to implement innovative pedagogical practices, and the…

It is well documented that general classroom teachers have not been adequately prepared to address the unique needs of the English language learners (ELLs) that many are now teaching for the first time (Cartiera, 2006; Giambo & Szecsi, 2005; Short & Echevarria, 2004). With ELLs' presence growing in U. S. public schools (e.g., August, 2006;…