Computers and calculators are in general widely used in Norwegian schools, but with limited use in specific school subjects, as particularly in mathematics teaching. Various reports from surveys and research projects indicate that teachers' competence with ICT is a crucial point, and that teachers' lack of knowledge of how to utilise software for…

Pedagogical content knowledge (PCK) is essential to career development for teachers. Teachers can develop their own PCK by research-based activities such as action research and lesson study, with a particular emphasis on the employment of classroom practice, information technology, and collaborative learning. However, in recent studies, most of…