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Maschietto, Michela – International Journal of Science and Mathematics Education, 2015
This paper presents the analysis of two teaching experiments carried out in the context of the mathematics laboratory in a primary school (grades 3 and 4) with the use of the pascaline Zero + 1, an arithmetical machine. The teaching experiments are analysed by coordinating two theoretical frameworks, i.e. the instrumental approach and the Theory…
Descriptors: Mathematics Instruction, Elementary School Mathematics, Grade 3, Grade 4