Abstract
The purpose of this study was to describe the students error on inversely proportional question at grade VIII F SMP Negeri 9 Palu. This type of research is qualitative research. Data were collected using data collection techniques, namely tests and interviews. The research subjects consisted of 3 people, namely C students, HD students and YYA students. The results of the study based on the students completion showed the mistakes made by the students in solving the comparison questions against the scores that were done. Based on the solution, conceptual and procedural errors were obtained. Conceptual errors include: a) factual errors consisting of: 1) students have not been able to write down the information contained in the questions, 2) students have not been able to understand the use of the equal sign correctly, 3) students have not been able to change the information contained in the questions into a model mathematics and 4) students have not been able to write conclusions correctly. b) Misconceptions consist of: 1) students do not understand the concept of reversing value comparisons, namely students working on comparison questions of turning values using the principle of value comparisons, 2) students have not been able to operate a reversed value comparison and 3) students do not understand the concept of multiplication and division of integers and decimal numbers. Procedural errors consist of: 1) students have not been able to work on questions using the principle of reversing value comparisons, 2) students make mistakes operating multiplication and division and 3) students have not been able to determine the final result correctly.
Highlights
Mathematics is a universal science that has a major role in developments in science, technology and information
The mistakes made by students in solving story problems, among others; students do not understand the problem of the problem so it is difficult to write down the information contained in the questions, students find it difficult to distinguish between value comparison story questions with a value reversal comparison, and errors in solving comparison story questions turn around scores that are solved with a value comparison
The description of student problem solving in solving problems on the comparison material turns the value on each question as follow: 1. Student Completion Analysis C
Summary
Mathematics is a universal science that has a major role in developments in science, technology and information. Based on the results of interviews with mathematics subject teachers at SMP Negeri 9 Palu, information was obtained that from the material that was sent, the average student made errors in the comparison material turned around in value. The mistakes made by students above include conceptual errors and procedural errors This can happen because in the learning process the teacher uses mathematics textbook teaching materials provided in schools without designing their own comparison topics to be taught. Proving the truth that there were mistakes made by students based on problem solving, the researcher conducted an identification test regarding the comparison of turning scores to class VIII F SMP Negeri 9 Palu who had participated in learning about the comparison of reversing grades. Based on the above background, the researcher is interested in conducting a research entitled “An Analysis of Students Error on Inversely Proportional Question at Grade VIII F SMP Negeri 9 Palu“
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