Argumantação e prova: análise de argumentos algébricos de alunos da educação básica

AUTOR(ES)

Jonas Borsetti Silva Santos

DATA DE PUBLICAÇÃO

2007

RESUMO

The present work focuses questions presented in the questionnaire of Algebra of the AProvaME project (Argumentation and Proof in the School Mathematics), of the PUC-SP. One of the goals of the project is to raise a map on the conceptions of argument and proof of the Brazilian pupils, more necessarily of the pupils of the State of São Paulo. Two questionnaires, one of Algebra and one of Geometry, had been elaborated for this survey, applied for a composed sample of 1998 pupils in the band of 14 the 16 years, registered in 8th series of Basic School and 1 year of Average School. After descriptive analysis of the collected data, we could verify that the creation of argumentation and proof for the pupils is defective, since many of them had never seen any type of argumentation or proof in its school life. Made the descriptive analysis, we carry through a multidimensional analysis, with the aid of the software C.H.I.C. that also assisted us in the choice of the pupils who would be interviewed. Still, for one better analysis, we carry through interviews with some teachers, concerning the questions that are object of our study, as also on the use of argumentations and proofs in classroom. The same ones are little used in their classes. In general, our analyses, in such a way quantitative how much qualitative, they suggest that the processes of argumentation and proofs are not being contemplated with these pupils. The pupils who had answered to the questions had presented, in the majority of the times, empirical arguments. The ones that had tried to evidence some property or some structure for the argumentations and proofs had used many times the narrative form. Moreover, the use of the algebraic language is little spread out in the schools, fact evidenced for the arguments presented for the pupils

ASSUNTO(S)

prova e argumentação algebra -- estudo e ensino (elementar) mathematical education educação matemática matematica -- estudo e ensino Álgebra argumentation and proof algebra matematica análise multidimensional multidimensional analysis

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