Estrategias para resolver problemas de estructura multiplicativa con naturales y fracciones

Cristina Zorrilla; Pedro Ivars; Ceneida Fernández

doi:10.24320/redie.2023.25.e15.4407

Autores

Cristina Zorrilla Universidad de Alicante https://orcid.org/0000-0001-5965-0292
Pedro Ivars Universidad de Alicante https://orcid.org/0000-0002-1965-8721
Ceneida Fernández Universidad de Alicante https://orcid.org/0000-0002-4791-9247

DOI:

https://doi.org/10.24320/redie.2023.25.e15.4407

Palavras-chave:

ensino de matemática, aritmética, educação básica, educação secundária

Agências de fomento:

Conselleria d’Educació, Investigació, Cultura i Esport de la Generalitat Valenciana (España; I-PI 21-19, PROMETEO/2017/135), Ministerio de Universidades (España; FPU19/02965)

Resumo

Este estudo analisa a forma como os alunos do ensino Primário e Secundário resolvem problemas de estrutura multiplicativa (multiplicação, divisão-partitiva e divisão-medida). Foi utilizado um questionário com nove problemas em que se considerou o uso de números naturais e frações, e se analisou tanto o nível de sucesso como as estratégias implementadas em cada tipo de problema (por curso). Os resultados mostram um menor nível de acerto nos problemas com frações do que com números naturais, pois os alunos apresentaram dificuldades em identificar que a estrutura dos problemas era a mesma. A utilização do algoritmo foi a estratégia mais utilizada; no entanto, outras estratégias surgiram dependendo do tipo de número implicado (números naturais ou frações).

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