Desarrollo del pensamiento algebraico a través de la justificación en educación primaria
- Pinto Marín, Eder 1
- Ayala-Altamirano, Cristina 2
- Molina, Marta 3
- Cañadas, María C. 4
- 1 Universidad de O`Higgins
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2
Universidad de Málaga
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3
Universidad de Salamanca
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4
Universidad de Granada
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ISSN: 0212-4521, 2174-6486
Ano de publicación: 2023
Volume: 41
Número: 1
Páxinas: 149-173
Tipo: Artigo
Outras publicacións en: Enseñanza de las ciencias: revista de investigación y experiencias didácticas
Resumo
The aim of this paper is to describe a teaching proposal that promotes algebraic thinking through the expression and justification of mathematical ideas when solving tasks related to three different approaches to algebraic thinking. We designed a classroom teaching experiment implemented during the COVID pandemic in Chile. We analyze the oral discussions and the written productions of children in fourth grade (9-10 years old). The results show that the children expressed and justified increasingly sophisticated algebraic ideas. That is, they gradually adopted a more precise and abstract mathematical language. We conclude that this modality of work, in which the algebraic character of arithmetic is highlighted through various instances of discussion, is a contribution for teachers, by guiding them in addressing current teaching challenges.
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