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Peer reviewedPike, Ruth; Olson, David R. – Child Development, 1977
Developmental changes in 5- to 7-year-old children's mental representation of addition and subtraction events were examined by means of the response times required to answer more or less questions. (Author/JMB)
Descriptors: Addition, Age Differences, Cognitive Processes, Concept Formation
Peer reviewedFuson, Karen C.; Kwon, Youngshim – Child Development, 1992
Examined Korean second and third graders' understanding of multidigit addition and subtraction. Korean children showed exceptional competence in multidigit addition and subtraction, and their solutions were based on quantitative understanding of multidigit numbers. Results are compared to the literature on the performance and conceptual structures…
Descriptors: Addition, Arithmetic, Concept Formation, Cultural Differences
