We report on three episodes from a case study where upper secondary students numerically explore the definite integral in a Python environment. Our research questions concern how code can mediate and support students' mathematical thinking and what kind of sociomathematical norms emerge as students work together to reach a mutual understanding of…

Scholars have long questioned the impact of teacher education programmes. Persistent claims are that pre-service teachers have fixed ideas about pedagogy when they enter training and that they become enculturated once in the profession. Within physical education (PE), similar concerns have been raised with respect to ball games. Research suggests…