Despite many similarities between the neighbouring countries Sweden and Finland,prior studies indicate that conceptualizations and discourses about school-basedteacher education are very different. In this paper we add to this picture ofdifferences, and contribute to the research discourse about school-based teachereducation, by identifying and characterizing aspects of mathematics teaching maderelevant in review meetings between mentors and prospective primary teachers.While the Swedish discourse typically focuses on the students’ individual work withtextbooks, connections to everyday experiences and teaching as individualsupervision, the Finnish discourse emphasizes lesson aims, learning and progressionin mathematics through formative assessment and differentiation according to pupils’ abilities.