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McMullen, Jake; Hannula-Sormunen, Minna M.; Lehtinen, Erno – ZDM: The International Journal on Mathematics Education, 2015
Recent evidence suggests that early natural number knowledge is a predictor of later rational number conceptual knowledge, even though students' difficulties with rational numbers have also been explained by the overuse of natural number concepts--often referred to as the natural number bias. Hannula and Lehtinen ("Learn Instr"…
Descriptors: Preschool Education, Preschool Children, Longitudinal Studies, Number Concepts