Robotique pédagogique à l’école primaire : quelle activité des élèves de Classe Préparatoire (6-7 ans) et quels apprentissages dans une séquence conçue par l’enseignant ?

This paper analyses the pupil’s activity during a robotic educational sequence designed and conducted by the teacher in first grade class. Video recording are analyzed in order to characterize the activity of the pupils using instrumental approach. The analysis is focused on instrumental and conceptual geneses. It characterize s the social and instrumental mediations involved in these geneses. The study highlights the role played by graphic representations in the process of abstraction during learning of programming skills.