Mathématiques et Sciences: un cas de coopération entre enseignants et chercheurs pour l’amélioration des pratiques

The paper focuses on the results of research conducted in teacher training experiences in different disciplines. Cooperative engineering between teacher and researcher are presented as well as some initial evidence from a work on the experimentation of a joint Mathematics-Science. These have been conducted since 2017 in order to disseminate Inquiry Based Science Education - IBSE at the primary school and college level. In conclusion, open questions on some of the identified characteristics of the dialectic between teacher training and research in disciplinary didactics are put to the TACD