From a commognitive approach, this article focuses on the discourse generated by pre-service primary teachers who are solving didactic-mathematical tasks. Our aims are to study the characteristics of the aforementioned discourse and, through these characteristics, identify whether a discourse close to the one of primary teachers is beginning to emerge. The sources of data were audio-recordings of group discussions and group reports. Two different discourses were identified in our results. One is the discourse generated by pre-service teachers when adopt the role of students of any level who have to solve a task proposed in the classroom. The other discourse is linked to the adoption of a role close to their future professional work. If we consider that the acquisition of a specific discourse enables future teachers to integrate into the community of practice of primary teachers, the role of the different discourses becomes a relevant element in teacher education.
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