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## Educación matemática

*versão On-line* ISSN 2448-8089*versão impressa* ISSN 0187-8298

#### Resumo

SADOVSKY, Patricia et al. The notion of ** relationships among calculations** and

**as teaching objects. Their configuration within a collaborative work between researchers and teachers.**

*the production of explanations in maths class**Educ. mat.*[online]. 2015, vol.27, n.1, pp.7-36. Epub 08-Abr-2022. ISSN 2448-8089.

This study accounts for the process through which, in the context of a collaborative work between researchers and teachers, two primary school teaching objects arise: the practice of appealing to relations among calculations to get results and the production of explanations in mathematics class. We try to show links between the configuration of these objects -the analysis of its meaning and possible conditions for them to arise at a math class- and the collective construction of a didactic intent. This research belongs to a larger project aimed at understanding the type of mathematical and didactic production which could be obtained when a group of researchers attends regularly a school to work with teachers and heads in order to think jointly about mathematics education issues.

**Palavras-chave
:
**collaborative work; analysis of the mathematics teaching practices; explanations in math class; relationships between calculations.