This paper describes educational systems built by members of the Human-Centred Technology Research Group at the University of Sussex that address different aspects of motivation. These systems have been described elsewhere, so this paper is essentially a drawing together of existing work. In particular, we have recently set out a view of…

This paper examines students' mathematics learning in a social context as two versions of an instructional sequence designed to facilitate students' development of a conceptual foundation for place-value numeration are enacted in two third grade classrooms. The same instructional sequence is used in each classroom with the regular classroom…