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Peer reviewedWolters, G.; And Others – Journal of Experimental Child Psychology, 1990
Hypothesized that arithmetic calculating procedures and types of problems that necessitate more subproblems will lead to longer solution times. Data from 36 third grade students who mentally computed problems with sums greater than 20 and less than 100, confirmed both hypotheses. (RH)
Descriptors: Arithmetic, Cognitive Processes, Difficulty Level, Elementary School Students
