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O'Rear, Connor D.; McNeil, Nicole M. – Developmental Science, 2019
How does improving children's ability to label set sizes without counting affect the development of understanding of the cardinality principle? It may accelerate development by facilitating subsequent alignment and comparison of the cardinal label for a given set and the last word counted when counting that set (Mix et al., 2012). Alternatively,…
Descriptors: Geometric Concepts, Number Concepts, Computation, Preschool Children
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Siegler, Robert S.; Ramani, Geetha B. – Developmental Science, 2008
The numerical knowledge of children from low-income backgrounds trails behind that of peers from middle-income backgrounds even before the children enter school. This gap may reflect differing prior experience with informal numerical activities, such as numerical board games. Experiment 1 indicated that the numerical magnitude knowledge of…
Descriptors: Games, Number Concepts, Low Income Groups, Educational Games