This article portrays action research conducted in relation to students' faulty use of the equality sign in a Grade Four mathematics classroom in Sweden. Substantial background on teacher-researcher collaboration that prepares ground for the action research is offered. Drawing on cultural-historical and activity theory perspectives, the conduct of…

Classroom management is a topic of enduring concern for teachers, administrators, and the public. It consistently ranks as the first or second most serious educational problem in the eyes of the general public, and beginning teachers consistently rank it as their most pressing concern during their early teaching years. Management problems continue…