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Gervasoni, Ann; Giumelli, Kerry; McHugh, Barbara – Mathematics Education Research Group of Australasia, 2017
This paper provides insight about the development of addition and subtraction strategies for nearly 22,000 Australian primary school children in 2016. The children were each assessed by their teacher using a task-based assessment interview that identified the strategies they used to mentally perform addition and subtraction, and matched these to a…
Descriptors: Foreign Countries, Addition, Subtraction, Elementary School Students