Historically, teachers have been criticized for verbalizing innovations while not acting on them. This study suggests that something more involved and complex may be happening as teachers move toward ...

This article aims to contribute to the theory of mathematics instruction by highlighting and analysing Leen Streefland's work as a teacher in a primary school. Core ideas of Streefland's are discussed ...

Fran: I am looking at my reflection. When light from an object is reflected by a surface, it changes direction - it bounces off the surface. So, if we shine this light onto this mirror, then we can ...