Developing teachers' subject didactic competence through problem posing.

TEACHER development; MATHEMATICS problems & exercises; PEDAGOGICAL content knowledge research; STUDY & teaching of fractions; CRITICAL thinking; ELEMENTARY school teachers; EDUCATION

Problem posing (not only in lesson planning but also directly in teaching whenever needed) is one of the attributes of a teacher's subject didactic competence. In this paper, problem posing in teacher education is understood as an educational and a diagnostic tool. The results of the study were gained in pre-service primary school teacher education. Students were asked to pose problems containing some given data (namely fractions). The subsequent analysis of the problems posed by the students revealed shortcomings in their conceptual understanding of fractions. Classroom-based joint reflection became the means of reeducation. [ABSTRACT FROM AUTHOR]

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