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Revista latinoamericana de investigación en matemática educativa
versão On-line ISSN 2007-6819versão impressa ISSN 1665-2436
Resumo
ROCHA, Maria Isabel e MENINO, Hugo Alexandre. Development of number sense in multiplication: A case study with children of 7/8 years old. Relime [online]. 2009, vol.12, n.1, pp.103-134. ISSN 2007-6819.
This article discusses the sense of number in multiplication based on a case study, under the auspices of the project "Developing the sense of number: Perspectives and curricular demands", carried out in Portugal with children between five and twelve years of age. The approach used was quantitative and interpretive in nature and took the form of a case study. The analysis centers on the strategies used by second grade children (7 or 8 years old) to solve multiplication problems included in a series of classroom tasks. The results show that the contexts of the tasks, situated in the rectangular model, facilitate comprehension of multiplication, its properties and numeric multiplicative relationships.
Palavras-chave : Mathematics education; learning path; sense of number; multiplication; calculation strategies; real-situation problems.