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 …

Eighteen years after the introduction of the graphing calculator in national examinations in the Netherlands, much has been learned about the use of technology in education. One of the key lessons was that integrating ICT as a tool for learning math is a complex task, and this complexity is often underestimated. …

This article explores the criteria for ‘good research’ employed by lecturers in traditional universities and institutes of higher professional education. The implementation of research-related activities in the latter created a repositioning of both types of Dutch institutions, similar as in many European …