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http://dx.doi.org/10.7858/eamj.2015.018

A Study on the Understanding in Results of Arithmetic Operation  

Roh, EunHwan (Department of Mathematics Education Chinju National University of Education)
Kang, JeongGi (Namsan Middle School)
Jeong, SangTae (Sacheon Dongsung Elementary School)
Publication Information
East Asian mathematical journal / v.31, no.2, 2015 , pp. 211-244 More about this Journal
Abstract
The arithmetic operation have double-sided character. One is calculation as a process, the other is understanding in results as an outcome of the operation. We harbored suspicion on students' misunderstanding in an outcome of the operation, because the curriculum has focused on the calculation, as a process of arithmetic operation. This study starts with the presentation of this problem, we tried to find the recognition ability and character in the arithmetic operation. We researched the recognition ability for 7th grade 27 students who have enough experience in arithmetic operation when studying in elementary school. And we had an interview with 3students individually, that has an error in understanding in results of arithmetic operation but has no error in calculation. We focused on 3students' detailed appearance of the ability to understand in results of arithmetic operation and analysed the changing appearance after recommending unit record using operation expression. As a result, we could find the abily to underatanding in results of arithmetic operation and applicability to recommend unit record using operation expression. Through these results, we suggested educational implications in understanding in results of arithmetic operation.
Keywords
Results of arithmetic operation; Understanding the meaning; Unit;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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