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Formulação de Problemas no Eixo de Produto de Medidas: uma proposta para o ensino de multiplicação e divisão no campo conceitual multiplicativo

In this article, we analyze the educational potential of a Problem-Posing proposal, named “A challenging homework”, developed to discuss multiplication and division in the Measurement Product axis, especially in the Rectangular Configuration class. Following the phases of Didactic Engineering as a research methodology, of an experimental field, we developed the activity in partnership with the 5th-grade teacher from a school in the major town in Vargem Alta-ES, whose application involved students in research and formulation of their own math problems. The results revealed that the proposal is potentially interesting for the teaching of the arithmetic operations covered and, mainly, strengthen the Problem-Posing as an important pedagogical strategy for maths teaching.