The benefits of using video in teacher education as a tool for reflection and for developing professional expertise have long been recognized. Recent introduction of 360 video technology holds promise to extend these benefits as it allows prospective teachers to reflect on their own performance by considering the classroom from multiple…

It has been suggested that integrating reasoning and proof in mathematics teaching requires a special type of teacher knowledge -- Mathematical Knowledge for Teaching Proof (MKT-P). Yet, several important questions about the nature of MKT-P remain open, specifically, whether MKTP is a type of knowledge specific to teachers, and whether MKT-P can…