Research has shown that the tools provided by dynamic geometry systems (DGSs) impact students' approach to investigating open problems in Euclidean geometry. We particularly focus on cognitive processes that might be induced by certain ways of dragging in Cabri. Building on the work of Arzarello, Olivero and other researchers, we have conceived a…

This article reviews the emerging research literature on literacy in transnational migrant contexts and extends research in this area through an-depth study of how two immigrant teenagers navigated online media across countries to participate in a domain of interest, which included online forum discussion of philosophy and websites related to…