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Communication Dans Un Congrès Année : 2019

A learning path for rational numbers through different representations

Résumé

In this paper, we aim to understand, in a context of teachers’ collaborative group, how emphasizing multiple representations can contribute to the learning of the rational numbers by elementary school students. We report part of a Design Based Research, within which a learning path for rational numbers was constructed and implemented in grade 3 classes. Data was collected through audio recordings of the collaborative group sessions, written records of the teachers’ and students’ interactions, as well as photo records of classroom work. We analyse two tasks focusing on students’ rational number learning of two classes, through discussion and reflection in the collaborative group. The results show that enactive and iconic representations, used as models in a recurrent way, support an intertwined understanding of symbolic representations. We conclude that the collaborative group work was essential to bring research into the classroom.
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Dates et versions

hal-02429766 , version 1 (06-01-2020)

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  • HAL Id : hal-02429766 , version 1

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Helena Gil Guerreiro, Cristina Morais, Lurdes Serrazina, João Pedro da Ponte. A learning path for rational numbers through different representations. Eleventh Congress of the European Society for Research in Mathematics Education, Utrecht University, Feb 2019, Utrecht, Netherlands. ⟨hal-02429766⟩

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