Student-teaching internships in a teacher-preparation programme are a significant way for teachers to gain practical skills and transfer their textbook knowledge into classroom practice. One of the outcomes of student-teaching internships is that pre-service teachers can observe experienced teachers' teaching pedagogy and strategies for…

Dynamic geometry environments (DGEs) provide computer-based environments to construct and manipulate geometric figures with great ease. Research has shown that DGEs has positive impact on student motivation, engagement, and achievement in mathematics learning. However, the adoption of DGEs by mathematics teachers varies substantially worldwide.…