Acep Pebianto
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ANALISIS KEMAMPUAN BERPIKIR KRITIS SISWA MTsN KOTA CIMAHI PADA MATERI PERSAMAAN LINEAR DUA VARIABEL DITINJAU DARI KEPERCAYAAN DIRI Acep Pebianto; Gugun Gunawan; Ribka Yohana; Adi Nurjaman
Journal on Education Vol 1 No 3 (2019): Journal On Education, Vol 1, No 3, April, 2019
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1030.715 KB) | DOI: 10.31004/joe.v1i3.109

Abstract

Mathematical critical thinking ability is the ability of the thinking process to systematically investigate the thinking process itself, analyze arguments and bring up ideas with evidence on each meaning to develop a logical mindset that emphasizes making decisions about what to believe or do. The importance of mathematical critical thinking skills is to help students to think rationally in making decisions and conclusions to choose the best alternative and to be able to look at various problems. In addition to mathematical thinking skills, one of the affective aspects is self-confidence or self confidence. Self-confidence is self-confidence in the ability that it has so that it is sure to be able to solve a problem. This study aims to determine the difficulties of students in working on two linear variables in terms of student self-confidence and whether there is a relationship between self-confidence and mathematical critical thinking skills. The research method used is descriptive qualitative. The population of this study was all Mts in the city of Cimahi while the sample was the students of class IX B MTSN Kota cimahi. The critical thinking ability test instruments given were 5 questions accompanied by interviews with each student. and the Self Confidence questionnaire consisting of 20 positive and negative statements. Then the results obtained are the level of mathematical critical thinking ability of the students of the City of Cimahi, which is low and there is no influence between Self Confidence and mathematical critical thinking skills.
ANALISIS KEMAMPUAN PEMAHAMAN MATEMATIS SISWA MA Acep Pebianto; Luvy Sylviana Zanthy
Journal on Education Vol 1 No 3 (2019): Journal On Education, Vol 1, No 3, April, 2019
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (486.799 KB) | DOI: 10.31004/joe.v1i3.116

Abstract

This research aims to analyze the mistakes of students in solving mathematical understanding and ability to question the extent to which students do such errors as well as to know the level of understanding of its mathematical ability. The methods used in this research is descriptive qualitative approach.The results obtained from this study showed that the percentage of indicators to apply the concept in mathematical algorithms in the ability of understanding the students, get the lowest percentages with percentage of 34.72% on question No. 4. Then the errors committed students in resolving the question of the ability of mathematical understanding is located on some of the aspects that is mistaken in applying the concepts in resolving the problem, as well as mistaken in operation count. The level of understanding of the mathematical ability of students still belongs to low visible from the large number of errors committed students in resolving the question of mathematical understanding ability test.