Comparative analysis on the nature of proof to be taught in geometry: the cases of French and Japanese lower secondary schools

2016-06-07

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Takeshi Miyakawa *

DOI：10.1007/s10649-016-9711-x

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This paper reports the results of an international comparative study on the nature of proof to be taught in geometry. Proofs in French and Japanese lower secondary schools were explored by analyzing curricular documents: mathematics textbooks and national curricula. Analyses on the three aspects of proof-statement, proof, and theory-suggested by the notion of Mathematical Theorem showed differences in these aspects and also differences in the three functions of proof-justification, systematization, and communication-that are seemingly commonly performed in these countries. The results of analyses imply two major elements that form the nature of proof: (a) the nature of the geometrical theory that is chosen to teach and (b) the principal function of proof related to that theory. This paper suggests alternative approaches to teach proof and proving and shows that these approaches are deeply related to the way geometry is taught.

Keywords:

Proof and proving

Mathematical Theorem

Functions of proof

Textbooks

Curriculum

Comparative analysis on the nature of proof to be taught in geometry: the cases of French and Japanese lower secondary schools

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