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This experience report presents discussions related to the actions of a Mathematics subproject of the Institutional Program of Initiatives for Teaching on the preparation and application of a game called Fractions Glasses, developed with the objective of revisiting the notions of equivalent fractions and operations with fractions in a class of the 6th year of Elementary School. The Instrumental Approach supported the elaboration of this didactic resource and provided ways for the game, through the process of instrumental genesis, to become an effective instrument for learning the notions of fractions mentioned above. The qualitative design of the applied methodology gave support to the performance of the subjective analysis of the game constitution process, from the elaboration of a Didactic Sequence. In addition, it allowed to conclude that the revisiting of concepts of mathematical objects already worked in traditional classes, in particular, numerical fractions, by students, using games offers greater visibility and formation of a collaborative environment for the production of mathematical knowledge.

Análise da constituição do Jogo Copos das Frações sob Perspectiva da Abordagem Instrumental