The Korea Society Of Educational Studies In Mathematics

Current Issue

Journal of Educational Research in Mathematics - Vol. 30 , No. 1

[ Article ]
Journal of Educational Research in Mathematics - Vol. 30, No. 1, pp.111-129
Abbreviation: JERM
ISSN: 2288-7733 (Print) 2288-8357 (Online)
Print publication date 28 Feb 2020
Received 10 Jan 2020 Revised 10 Feb 2020 Accepted 10 Feb 2020
DOI: https://doi.org/10.29275/jerm.2020.02.30.1.111

A Study on the Datum Problem in Middle School Geometry
Ko, Eun Mi* ; Suh, Bo Euk**,
*Teacher, Dong Daejeon Middle School (highsilver00@naver.com)
**Professor, Chungnam National University (eukeuk@cnu.ac.kr)

Correspondence to : Professor, Chungnam National University, eukeuk@cnu.ac.kr


Abstract

The purpose of this study was to systematically analyze the problems with characteristics of data in the geometric domain of middle school textbooks to improve students' problem solving ability. Additionally, this study was conducted to facilitate an understanding of the problem solving tendency of students regarding the data problem. For this purpose, we analyzed the datum problems in the middle school textbook geometric domain, developed the questionnaires based on the data, and analyzed the problem solving characteristics of students. This study established the following research questions. First, what is the datum problem in the geometry of middle school textbooks, and what is the percentage of the total? Second, what are the characteristics of solving students' problems according to the type of datum problem? Third, what characteristics do students have in solving problems according to the format of the datum problem?

Through the analysis of the results, first, when comparing the overall average of the correct response rate, the correct response rate for the FD problems was the highest and the correct response rate for the RD problems was the lowest. Second, In the classification of forms, Form 1 and Form 3 have the same mathematical content to solve the problem and the same or similar procedures to solve the problem. But there was a difference in the correct response rate. Third, the correct answer rate for the RD problems of Form 2 and Form 4 was lower than that of Form 1 and Form 3. The RD problems of Form 2 and Form 4 required mathematical content beyond the curriculum of the school year. Although the content of the geometry is a key idea of problem solving, the mathematical the content of algebra required to solve the problem was at a high level compared to the FD problems.


Keywords: Mathematics problems, Form of math problem, The data, Datum problem, Geometry problem

Acknowledgments

본 논문은 2019년 8월 석사학위논문을 발췌 정리하였음.


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