Editorial

Patricio Herbst, Daniel Chazan
Methodologies for the study of instruction in mathematics classrooms

Jill Adler
A methodology for studying mathematics for teaching

Paolo Boero, Valeria Consogno, Elda Guala, Teresa Gazzolo
Research for innovation : A teaching sequence on the argumentative approach to probabilistic thinking in Grades I-V and some related basic research results

Note de lecture