http://hdl.handle.net/20.500.11960/2344 2026-08-28T00:34:54Z http://hdl.handle.net/20.500.11960/3698 Title: Fostering problem solving discussions through a gallery walk Authors: Vale, Isabel; Barbosa, Ana; Cabrita, Isabel Abstract: This paper presents part of a project about the potential of visual strategies in problem solving by preservice teachers. The aim of the study was to identify and understand the contribution of a gallery walk (GW) to foster productive discussions about solving problems, as well as the participants’ reaction to the GW. 2019-03-01T00:00:00Z http://hdl.handle.net/20.500.11960/3671 Title: Exploring friezes and rosettes: an experience with future teachers Authors: Barbosa, Ana; Vale, Isabel 2019-03-01T00:00:00Z