The bilingual education standard agreed by the Network for Dutch Bilingual schools requires subject teachers to be able to provide feedback on their learners’ language use. But this is not as easy as it seems. What type of language do learners produce in subject lessons? What language aspects could the …

Interactive Virtual Math (IVM) is a visualization tool to support secondary school students’ learning of graphs by dynamic events. In the prototype version students construct a graph and try to improve it themselves and with the feedback of the tool. In a small-scale experiment, which involved four classes …

Interactive Virtual Math (IVM) is a visualization tool to support secondary school students’ learning of dynamic functions situations graphs. The logbook-function allows teachers to get continuous and real-time assessment on classroom progress and of individual students’ learning process. In a teaching …

An essential condition to use mathematics to solve problems is the ability to recognize, imagine and represent relations between quantities. In particular, covariational reasoning has been shown to be very challenging for students at all levels. The aim of the project Interactive Virtual Math (IVM) is …