The lecture format, while being the subject of much criticism, is still one of the most common formats of university mathematics teaching. This paper investigates lecturing as a means of modelling mathematical discourse, sometimes highlighted in the literature as one of its most important functions. The data analysed in the paper are taken from…

This study investigated how modeling in chemistry affect second language learners' descriptions of polymeric concepts. The aim was to investigate how chemistry discussions mediated by representations, contribute to second language students' development in the language of chemistry. The study took place in three multilingual upper secondary…

Aim: To provide insight into how physical education teachers use discursive resources related to obesity to create particular professional identities. Method: Data come from focus group and individual interviews with physical education teachers in Sweden. Discourse theory on teacher identities frame the analysis of the empirical material. Results:…

This contribution explores how subject positions and perspectives are negotiated in the discursive practices of teaching social studies. The study involved a teacher and a group of second-language learners in Grade 6, the data being gathered by observations, voice recordings, and collection of teaching materials throughout seven weeks. The…