Education systems around the world, faces the major challenge of including all children in schools. Differentiated instruction (DI) is proposed as a pedagogical approach that support social, emotional and academic success for all students in the context of heterogeneous classrooms. Although, recent research draws the attention to the inconsistent…

This article describes mathematics teachers' evaluation practices and the reasoning and beliefs that support those practices. The data were collected in two Portuguese schools representing very different results in the national exams, through semi-structured interviews with mathematics teachers and departmental curriculum coordinators as well as…