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Direct linkLemaire, Patrick; Lecacheur, Mireille – Cognitive Development, 2011
Third, fifth, and seventh graders selected the best strategy (rounding up or rounding down) for estimating answers to two-digit addition problems. Executive function measures were collected for each individual. Data showed that (a) children's skill at both strategy selection and execution improved with age and (b) increased efficiency in executive…
Descriptors: Grade 3, Grade 5, Grade 7, Age Differences
