pt. 1. Modelling from primary to upper secondary school: Findings of empirical research -- pt. 2. Looking deeper into modelling processes: Studies with a cognitive perspective -- pt. 3. Mathematical modelling in teacher education -- pt. 4. Using technologies: New possibilities of teaching and learning modelling -- pt. 5. Modelling competency: Teaching, learning and assessing competencies -- pt. 6. Modelling in tertiary education -- pt. 7. Modelling examples and modelling projects: Concrete cases -- pt. 8. Theoretical and curricular reflections on mathematical modelling.