The purpose of the study is to identify the classroom mathematical practices developed within a learning environment designed by Realistic Mathematics Education for teaching cone and pyramid to preservice teachers. A teaching experiment including five-week instructional sequence by a hypothetical learning trajectory about the solids of cone and…

This article focused on a deeper analysis of pre-service teachers' observations of video lessons based on the authentic classrooms across three stages in eight sessions in order to reveal their changes in the abilities to understand pedagogical content knowledge and the effects of specific observation frameworks introduced in the observation…

This study analyzes the collaborative writing sessions of two groups of advanced diploma economics students with mixed proficiency. Although studies in collaborative writing usually highlight the mixed results of students' collaboration ranging from promoting peer learning to having unresolved conflict, the findings of this paper only provide the…