Mathematical Modeling—The Teacher’s Responsibility

Mathematical Modeling has recently become a compulsory part of the Common Core State Standards (CCSS) in the United States. Future teachers must have a strong background about different aspects of modeling and also about appropriate methods for how modeling can be taught. In which ways modeling is the teacher’s responsibility is presented in this paper on the basis of theoretical reflections as well as an in depth focus on more practical experiences and results of empirical studies of pre- and in-service teacher education. Finally a model of necessary teaching competencies for modeling is described in the four dimensions and a conclusion is drawn.