First, we propose two taxonomies concerning software designed for teaching mathematics, which we call TEL (Technology Enhanced Learning) environments, the first one concerns the teacher’s place and… (More)

We present a student’s modelling process in algebra which consists of two phases. The first phase is a local diagnosis where a student’s transformation of an expression A into an expression B is… (More)

The analysis presented in this article tries to obtain a global view of the field of interactive learning environments (ILE) dedicated to arithmetic and algebra. As preliminaries, a brief overview of… (More)