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Direct linkDevichi, Claude; Munier, Valerie – Journal of Mathematical Behavior, 2013
This paper reports classroom research dealing with the difficulties encountered by schoolchildren in the acquisition of angle concept. Two obstacles were pointed out in previous studies: the side-length obstacle and the salience of the prototypical right angle. The first aim of the present study is to determine the extent to which a teaching…
Descriptors: Geometric Concepts, Elementary School Mathematics, Misconceptions, Elementary School Students
