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Van den Heuvel-Panhuizen, Marja; Elia, Iliada – ZDM: The International Journal on Mathematics Education, 2020
In this study we investigated the structure of quantitative competence of kindergartners by testing a hypothesized four-factor model of quantitative competence consisting of the components counting, subitizing, additive reasoning and multiplicative reasoning. Data were collected from kindergartners in the Netherlands (n = 334) and in Cyprus (n =…
Descriptors: Kindergarten, Numeracy, Foreign Countries, Mathematics Skills
Morley, Arthur – Mathematics Teaching, 1978
Described are two methods of calculating developed by the Dutch WISKOBAS Project: addition and subtraction with a loop abacus and multiplication using a grid model. (MP)
Descriptors: Addition, Algorithms, Cognitive Development, Computation