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Use of Derived Fact Strategies by Children with Mathematical Difficulties
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Dowker, Ann – Cognitive Development, 2009
339 children aged 6 and 7 at Oxford primary schools took part in a study of arithmetic. 204 of the children had been selected by their teachers as having mathematical difficulties and the other 135 children were unselected. They were assigned to an Addition Performance Level on the basis of a calculation pretest, and then given Dowker's (1998)…
Descriptors: Computation, Arithmetic, Teaching Methods, Mathematics Skills