The concept of conflict is replete in today's world and is a concept upon much social studies instruction is built, beginning in New Jersey's fourth-grade classrooms with the study of the American Revolution. Many elementary schoolteachers approach the teaching of social studies without subject-area certification and without subject-area materials…

The aim of the study reported in this paper was to explore and enhance experienced school mathematics teachers' knowledge of students'thinking, as it is manifested in practice. Data were collected from records of classroom observations, interviews with participating teachers, and weekly teacher-researcher meetings organized in the school. In this…