Despite the increasing popularity of studies on teachers' national curriculum adaptations, there is no comparative study elucidating teachers' adaptations in centralized and decentralized educational contexts through sense-making theory lenses. This paper presents a comparative case study of Turkish and Swedish senior classroom teachers'…

The article begins with a brief overview of the situation throughout the world regarding problem solving. The activities of the ProMath group are then described, as the purpose of this international research group is to improve mathematics teaching in school. One mathematics teaching method that seems to be functioning in school is the use of open…