T.N. Sipayung, S.D. Simanjuntak, A. Wijaya, Sugiman
In the problem solving requires the ability to apply concepts and algorithms. Problems of particular concern in this regard are math problems related to everyday life. The abilities of each student are different and need to be analyzed. Therefore, a qualitative study with descriptive methods was carried out to determine the students' problem-solving abilities in applying concepts and algorithms. But in this case, the research subjects were selected randomly and divided into two parts, namely students who applied offline and online learning with 5 discussion groups each. The research subjects were VII students of SMP RK Serdang Murni and SMP HKBP Lubuk Pakam. Based on problem solving on the student worksheet on the material of addition and subtraction of integers based on a realistic mathematics approach, it was obtained data that the ability to apply problem-solving concepts and algorithms in groups of students who applied offline learning tended to be better than the group of students who applied online learning. This was concluded based on results of problem solving carried out by the group of students. Therefore, it is hoped that the ability of teachers to design online learning will be further improved regarding the use of technology so that the results obtained are as good as the implementation of offline learning. © 2021 Published under licence by IOP Publishing Ltd.
Department of Mathematics Education, Catholic University of Saint Thomas, Indonesia; Department of Mathematics Education, Yogyakarta State University, Indonesia
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