This paper aims to contribute to the growing field of research on teaching practices in higher education, with a focus on the prevalent yet unresearched practice of concept introduction in lectures. This small-scale case-study provides data which lend themselves to a comparative analysis, with a view to describing and accounting for the dispersion…

In this study, we examined a mathematician and one of his students' teaching journals and thought processes concurrently as the class was moving towards the proof of the Fundamental Theorem of Galois Theory. We employed Tall's framework of three worlds of mathematical thinking as well as Piaget's notion of accommodation to theoretically study the…

In this paper, we report a teaching experiment regarding the theory of polynomial approximations at the university mathematics teaching in Sweden. The experiment was designed by applying Variation theory and by using the free dynamic mathematics software GeoGebra. The aim of this study was to investigate if the technology-assisted teaching of…