Deze studie vindt zijn oorsprong in de ontwikkeling van een onderwijsprogramma voor
rekenen-wiskunde voor de basisschool. Dit ontwikkelwerk vond plaats in het project Onderwijs …

The purpose of this chapter is to explore how informal reasoning about distribution can be
developed in a technological learning environment. The development of reasoning about …

In this paper we focus on an instructional sequence that aims at supporting students in their
learning of the basic principles of rate of change and velocity. The conjectured process of …

The aim of this study was to develop and implement a valid, practical, and effective RME-based
geometry course for Indonesian primary schools using design research approach. The …

Using Freudenthal’s method of historical phenomenology, the history of statistics was
investigated as a source of inspiration for instructional design. Based on systematically selected …

This study concentrated on the theory–practice problem in mathematics teacher education.
We examined 13 student teachers' use of theory when they reflected on teaching practice in …

DESIGN AND RESEARCH Design research is aimed at creating innovative learning situations,
the objective of which can be both understanding certain aspects of that learning situation…

In this chapter, we discuss the question of how we can encourage mathematics education to
shift towards more inquiry-oriented practices in schools and what role textbooks and …

Students’ algebraic proficiency is debated worldwide. To investigate the development of
algebraic proficiency in Dutch secondary education, we set up a study, in which 1020 students …

Based on insights into the nature of vocational mathematical knowledge, we designed a
computer tool with which students in laboratory schools at senior secondary vocational school …