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http://dx.doi.org/10.21796/jse.2021.45.2.247

The Analysis of 5th Graders' Visual Representation in Mathematical Problem Solving  

Lee, Daehyun (Gwangju National University of Education)
Publication Information
Journal of Science Education / v.45, no.2, 2021 , pp. 247-256 More about this Journal
Abstract
Visual representation has been a useful tool in mathematical problem solving because it vividly express and structure the variables in the problem. But its effects may vary according to the types of problems. So, this study analyzes the survey results on the 5th graders' visual representations using questionnaire consisting of the routine problems and the non-routine problems. The results are follows: The rate of correct answers in routine problems was higher than that of the non-routine problems. Even though the subjects were asked to solve the problem using visual representations, the ratio of solving the problem using the numerical expression was high in the routine problems. On the other hand, the rate of solving the problem using visual representation was high in the non-routine problems. The number of respondents who used visual representation in the non-routine problems was twice as many as that of the routine problems. But, among the subjects who used visual representation in the non-routine problems, the proportion of incorrect answers was also high, which resulted in using visual pictures. So, it is necessary to provide an experience that can use various types of the visual representations for problem solving and pay attention to the process of converting problems into visual representations.
Keywords
representation; visual representation; numerical expression; routine problem; non-routine problem; spatial picture; visual picture;
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Times Cited By KSCI : 1  (Citation Analysis)
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