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NTIS 바로가기Journal of the Korean Society of Mathematical Education. Series A. The Mathematical Education, v.59 no.3, 2020년, pp.255 - 269
In this study, how to instruct the computational estimation of addition and subtraction was considered from the perspective of a 'intended-written-implemented' multi-dimensional curriculum. To this end, the 2015 revised elementary school mathematics curriculum as a intended curriculum and the 2015 r...
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