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Download full textArndt, Dominique; Sahr, Katleen; Opfermann, Maria; Leutner, Detlev; Fritz, Annemarie – South African Journal of Childhood Education, 2013
Recent studies showed that kindergarten children solve addition, subtraction, doubling and halving problems using the core system for the approximate representation of numerical magnitude. In Study 1, 34 first-grade students in their first week of schooling solved approximate arithmetic problems in a number range up to 100 regarding all four basic…
Descriptors: Arithmetic, Mathematics Skills, Grade 1, Elementary School Students
