International Journal of Insights for Mathematics Teaching (IJOIMT)
Vol 1, No 1 (2018)

WHY DID THE STUDENTS MAKE MISTAKES IN SOLVING DIRECT AND INVERSE PROPORTION PROBLEM?

Irfan, Muhammad (Unknown)
Nusantara, Toto (Unknown)
Subanji, Subanji (Unknown)
Sisworo, Sisworo (Unknown)



Article Info

Publish Date
15 Mar 2018

Abstract

The purpose of this study is to describe the student's difficulties in solving direct and inverse proportion problem. This research uses explorative qualitative research type. The subject of this research is the second semester student of Mathematics Education Study Program in East Java. Subjects were selected based on purposive sampling. The findings of this study are 86% of students are wrong in solving the problem of inverse proportion, 28% of students are wrong in solving direct proportion problem, and 91% of students are wrong in solving both problems in a single question. Then, the students who made mistakes in solving the problem were chosen purposively for interview. The finding in this research is the student(1) do not understand the use of variables, (2) do not understand the use of formulas, (3) do not understand the key phrases on the problem, (4) Difference in ratio, fractional, and division, (5) do not understand the problem, (6) do not understand simplification of division, and (7) do not interpret proportion relation correctly.

Copyrights © 2018






Journal Info

Abbrev

ijoimt

Publisher

Subject

Mathematics

Description

International Journal of Insight for Mathematics Teaching is published at most twice a year in October and March. It contain scientific articles on mathematics education written in English. The article is published in form of research results, research review, or even perspectives, opinions, and ...