In an ethnographic study of one high school mathematics department made up of four African American teachers, I explored their co-construction of knowledge about teaching mathematics for social justice. This began with an in-depth study of each teacher's professional identity, their emotional connections to teaching in their local African American…

This study was conducted at an innovative science, technology, engineering, and mathematics high school, providing a rich contextual description of the teaching and learning at the school, specifically focusing on problem solving and inquiry approaches, and students' motivation, social interactions, and collaborative work. Data were collected…

This mixed-method, longitudinal study investigated the benefits of project-based learning (PBL) on secondary-mathematics students' academic skill development and motivated strategies for learning (i.e., cognitive, social, and motivational). The focus of this study was academic skill development (algebra- and geometry-assessment scores) and other…