Qualitative Research into the Nature of Errors in Subtraction Algorithm in Primary Education

Aims: We have examined the interaction between formal, intuitive and algorithmic knowledge in the solution for the subtraction operation.  Study Design: Qualitative analysis. Place and Duration of Study: Department of Didactic, Organization and Investigation Methods (University of Salamanca), between February 2005 and July 2006. Methodology: We included the verbal protocols of nine children aged between…
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July 15, 2020 0