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Poster De Conférence Année : 2014

Teaching mathematics in Primary School : effets of a learning program requesting numerical estimation

Résumé

This study fits in a more global project that aims to elaborate a mathematical program for the first year of elementary school (ACE Project supported by the Ministère de l’Education Nationale). The objective is to emphasize the role of a regular and systematic practice of estimation during all the 1rst year of school mathematical learning. This role is to map the acquisition of numerical symbol with the «sense » of number and calculation. In this approach, it is the interaction of both representational system of number and calculation (exact and symbolic versus approximative and analogical) that is crucial. In the present study, 667 children from North of France participate. Theses students have been divided into an experimental group (N=365) and a control group (N=302). During the 1st school year, the experimental group followed the ACE program composed of different activities (mental calculation, problem solving, calculation) and a weekly training (45 minutes) of numerical estimation (program on computer). In this program, children have to mark, on a borned continuous line, the position of a number or the result of a calculation, which allows a mapping between symbolic number and analogical magnitude. The control group followed their teacher habitual mathematical program. All students realized a Number Knowledge Test (NKT) composed of several arithmetical tests (mental calculation, problems resolution, written additions, numeration) at the beginning and the end of school year. Mainly, we found no significant difference on pre-test between both groups on all NKT-measures. In the post-test, results are significantly higher for the experimental group compared to the control group on all NKT measures and on the estimation task (p<.05). Furthermore, correlations between NKT total score and score on the estimation task are significant for both group (p<.05). Finally, results suggest that the mapping among symbols and number sense is necessary for successful elementary mathematical learning in first year. No children achieved NKT without succeed in the estimation task. Theses data will be discussed in practical term about educative implications for students with specific learning disabilities.
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Dates et versions

hal-01140279 , version 1 (08-04-2015)

Identifiants

  • HAL Id : hal-01140279 , version 1

Citer

Sophie Joffredo-Lebrun, Samantha Meyer, Bruno Vilette, Emmanuel Sander, Gérard Sensevy, et al.. Teaching mathematics in Primary School : effets of a learning program requesting numerical estimation. International Congress of Applied Psychology, 2014, Paris, France. 2014. ⟨hal-01140279⟩
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