In the paper the first results of an on going experimental research about a constructive approach to rational numbers are reported. The study is aimed at bringing the pupils to face some questions linked with the extention of the structure of the set of Natural Numbers. Excerpts of classroom discussions and pupils productions are discussed.
From fractions to rational numbers in their structure: outlines of an innovative didactical strategy and the question of density / Malara, Nicolina Antonia. - STAMPA. - 1:(2002), pp. 35-46. ((Intervento presentato al convegno CERME 2 tenutosi a Marianske Lazne (CZ) nel 2001, February 24-27.
From fractions to rational numbers in their structure: outlines of an innovative didactical strategy and the question of density
MALARA, Nicolina Antonia
2002
Abstract
In the paper the first results of an on going experimental research about a constructive approach to rational numbers are reported. The study is aimed at bringing the pupils to face some questions linked with the extention of the structure of the set of Natural Numbers. Excerpts of classroom discussions and pupils productions are discussed.
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