This paper describes some outcomes of an educational process in a teacher mathematics education context. The main objective of the education process is to develop the mathematical knowledge necessary to teach at the elementary grade-level. This process involves: (a) the proportionality problem resolution, (b) analysis of the problem resolution using an epistemic analysis tool, and (c) prospective assessment of three types of sixth graders' responses to a proportionality problem. The results point out that the formative process fosters the development of mathematical knowledge for teaching. Finally, some implications for prospective teacher education are discussed.
Teacher Education; Proportional Reasoning; Epistemic Analysis; Teacher Knowledge
