Tiara Yulita, - and Hardi Suyitno, - and Sugiman, - (2021) Pembelajaran Matematika Melalui Pendekatan Open-Ended dengan Bantuan Power Point untuk Meningkatkan Kemampuan Pemecahan Masalah di Masa Pandemi. Jurnal Cendekia: Jurnal Pendidikan Matematika Universitas Pahlawan, 5 (2). pp. 1588-1598. ISSN E-ISSN : 2579-9258 P-ISSN: 2614-3038

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Abstract

During the pandemic, all learning activities especially mathematics learning are not carried out in schools but at homes. One of the mathematical skills that need by students is problem-solving ability. The 2013 revised 2018 curriculum applies that student must be actively involved in problem solving and be able to interpret, understand the competencies that are guided by teacher. The results of the National Examination for Junior High School show that student’s problem-solving abilities are still relatively low even though the questions are routine questions, while non- routine questions (open-ended problems) are rarely used when presenting questions. One of the efforts to overcome this is using an open-ended approach with the help of power-points as a supporting media in online learning during the pandemic. The population taken was the 7th grade students of SMP Negeri 1 Comal, while method used was a quasi-experimental design with a research design in the form of a pre-test post-test control group where two experimental groups which were selected by random sampling. From the rightside average similarity test and normalized gain test, it shows that learning with open-ended and power-point approach is effective for improving student’s problem-solving abilities and is better than the expository learning model.

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