It is indicated that research on professional development programmes (PDPs) for mathematics teachers mostly concerns whether a programme affects the teachers' practice or student learning, while the teachers' learning is treated as a "black box." Calls have been made for a shared body of knowledge on teachers' professional learning and…

The paper reports an investigation into how a group of elementary and middle school teachers collectively attempted to solve and understand a fraction division problem using an area model. Solving the word problem required that teachers determine how many two-thirds fit into three-fourths. The teachers struggled to conceptualise fraction division,…

This paper reports on the knowledge for teaching mathematics of 294 pre-service primary teachers from seven Australian universities participating in a project aimed at establishing a culture of evidence-based improvement of teacher education. The project was funded by the Australian Learning and Teaching Council. Rasch measurement techniques were…