In this paper we analyse the language used by kindergarten children and their teacher while they discuss the fairness of two games that involved the concept of chance. Their discussions show that the children are able to overcome their primary intuitions concerning the fairness of a game and to comprehend the important role of materials. The children mostly used counting strategies in order to justify their opinion; this reveals the establishment of a primary discursive community based on the premise that each opinion should be justified in order to be accepted by the other children and the teacher.
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