Nina Agustyaningrum, Yudhi Hanggara, Asmaul Husna, Agus Maman Abadi, Ali Mahmudii
This study aims at revealing the students' mathematical reasoning abilities on abstract algebra courses. The method used a qualitative descriptive method. It involved 31 sixth semester students of the Mathematics Education Study Program, Faculty of Teacher Training and Education, Riau Kepulauan University, Batam, Indonesia in the academic year of 2018/2019. The data collection techniques employed test and interview. The results showed that the four indicators of mathematical reasoning ability obtained the overall mean scores of 42.12% (low category). The lowest indicator was "do mathematical manipulation" with 21.75% (low category), followed by "conclusions drawing, compiling evidence, giving reasons or evidence for validity of the solution" with 40.25% (low category), the indicator of "making a conjecture" was 43.50% (low category), and the indicator of "drawing conclusions from a statement" was 63% (medium category). Based on the findings, the suggestions can be proposed for lecturers to have more exercises related to proofing in order to enhance the students' mathematical reasoning abilities on abstract algebra lectures. © IJSTR 2019.
Departement Mathematics Education, Riau Kepulauan University, Indonesia; Departement Mathematics Education, Yogyakarta State University, Indonesia
