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Direct linkBakker, Arthur; Groenveld, Djonie; Wijers, Monica; Akkerman, Sanne F.; Gravemeijer, Koeno P. E. – Educational Studies in Mathematics, 2014
Based on insights into the nature of vocational mathematical knowledge, we designed a computer tool with which students in laboratory schools at senior secondary vocational school level could develop a better proficiency in the proportional reasoning involved in dilution. We did so because we had identified computations of concentrations of…
Descriptors: Vocational Education, Intervention, Secondary School Students, Laboratory Schools
