Teaching mathematics is inherently complex, requiring a deep understanding of both the subject matter and the pedagogical strategies that foster effective learning. Effective mathematics teachers must possess a robust grasp of the mathematical content they are teaching--a proficiency often honed over years of educational and practical experience…

As online education continues to grow, instructors from traditional classrooms are being asked to design online courses. In this study, data from interviews with thirty-three public four-year college and university instructors, who had experience designing online courses, were used to understand the instructor's perspective on online course…

This paper describes the design principles and implementation of a novel approach for a K--12 teacher professional development (PD) program. The approach integrates training focused on development of model eliciting activities (MEAs) within authentic engineering design tasks, collaborative 3D model design and fabrication, and inspirational site…