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McCrink, Koleen; Spelke, Elizabeth S. – Cognition, 2010
A dedicated, non-symbolic, system yielding imprecise representations of large quantities (approximate number system, or ANS) has been shown to support arithmetic calculations of addition and subtraction. In the present study, 5-7-year-old children without formal schooling in multiplication and division were given a task requiring a scalar…
Descriptors: Number Systems, Arithmetic, Multiplication, Young Children
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Sackur, Jerome; Dehaene, Stanislas – Cognition, 2009
A simple view, which dates back to Turing, proposes that complex cognitive operations are composed of serially arranged elementary operations, each passing intermediate results to the next. However, whether and how such serial processing is achieved with a brain composed of massively parallel processors, remains an open question. Here, we study…
Descriptors: Cognitive Processes, Mathematics, Arithmetic, Thinking Skills
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Gilmore, Camilla K.; Spelke, Elizabeth S. – Cognition, 2008
In learning mathematics, children must master fundamental logical relationships, including the inverse relationship between addition and subtraction. At the start of elementary school, children lack generalized understanding of this relationship in the context of exact arithmetic problems: they fail to judge, for example, that 12 + 9 - 9 yields…
Descriptors: Elementary School Students, Preschool Children, Computation, Problem Solving