An Analysis on the Elementary 2nd·3rd Students` Problem Solving Ability in Addition and Subtraction Problems with Natural Numbers

Title & Authors
An Analysis on the Elementary 2nd·3rd Students` Problem Solving Ability in Addition and Subtraction Problems with Natural Numbers
Jeong, So Yun; Lee, Dae Hyun;

Abstract
The purpose of this study was to examine the students` problem solving ability according to numeric expression and the semantic types of addition and subtraction word problems. For this, a research was to analyze the addition and subtraction calculation ability, word problem solving ability of the selected $\small{2^{nd}}$ grade(118) and 3rd grade(109) students. We got the conclusion as follows: When the students took the survey to assess their ability to solve the numerical expression and the word problems, the correct answer rates of the result unknown problems was larger than those of the change unknown problems or the start unknown problems. the correct answer rates of the change add-into situation was larger than those of the part-part-whole situation in the result unknown addition word problems: they often presented in text books. And, in the cases of the result unknown subtraction word problems that often presented in text books, the correct answer rates of the change take-away situation was the largest. It seemed probably because the students frequently experienced similar situations in the textbooks. We know that the formal calculation ability of the students was a precondition for successful word problem solving, but that it was not a sufficient condition for that.
Keywords
addition and subtraction;word problem;the types of word problems;problem solving ability;semantic classification;
Language
Korean
Cited by
1.
한국과 미국 초등학교 3학년 학생들의 자연수 덧셈과 뺄셈 문제해결 분석,이대현;

한국수학교육학회지시리즈C:초등수학교육, 2016. vol.19. 3, pp.177-191
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