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This article discusses some written and oral mathematical practices of german settlers descendants from the German colonization region of the Vale do Rio dos Sinos, and aims to verify how they were used by these subjects both during the school period and in their agricultural work activities. The theoretical contributions used for this research are mainly based on studies of Weber (2002), that evidences that oral mathematical stand out in these individuals work activities, while in the school period it’s observed a legitimization of a mathematics characterized by writing, which confirm a supremacy of the writing over orality throughout schooling. Therefore, the use of orality practices can become a possibility for a frequent (re) thinking of mathematical education, since writing prevails in different instances of the school context, producing subjectivities that empower such discourse, ensuring the status of the only possible mode of mathematize.

A supremacia da escrita sobre a oralidade: uma análise de práticas matemáticas de sujeitos de região de colonização alemã