On the premise that all children can learn, Reuven Feuerstein developed a classroom curriculum designed to build the cognitive functions of students diagnosed by others as incapable of learning. His program, Instrumental Enrichment (IE), provides students with the concepts, skills, strategies, operations, and techniques necessary to become…

This fourth yearbook on research on mathematics teaching in Finland contains five articles, four in English and the fifth in German. "Mathematics as a Cognitive Science" (C. Letteri) examines cognitive aspects related to teaching and learning mathematics, with the focus on the different levels of comprehension and an analysis of basic…