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All Journal Al-Jabar : Jurnal Pendidikan Matematika Jurnal Riset Pendidikan Matematika Jakarta
Nurwita, Faizah
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Education Mathematics

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Kemampuan Komunikasi Matematis Siswa Terhadap Materi Persamaan Linear Satu Variabel : Kemampuan Komunikasi Matematis Siswa Terhadap Materi Persamaan Linear Satu Variabel Nurwita, Faizah
Jurnal Riset Pendidikan Matematika Jakarta Vol. 2 No. 1 (2020): Jurnal Riset Pendidikan Matematika Jakarta Volume 2, Nomor 1, Tahun 2020
Publisher : Program Studi Pendidikan Matematika jenjang Magister, FMIPA, Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (335.8 KB) | DOI: 10.21009/jrpmj.v2i1.23450

Abstract

This study aims to describe the mathematical communication skills of junior high school students class VII B at SMP N 3 Sungai Tebelian, Sintang, West Kalimantan. In addition, to examine the communication problems faced by students during learning on the One Variable Linear Equation material. The research method used is the description method with the research subject of 25 students. This research instrument uses a response questionnaire to determine students' mathematical communication skills with 12 questions that are distributed directly via offline. There are six indicators of mathematical communication skills analyzed but only one indicator can be achieved with the percentage of student questionnaire results obtained 3.5%.
Exploring students’ mathematical computational thinking ability in solving pythagorean theorem problems Nurwita, Faizah; Kusumah, Yaya Sukjaya; Priatna, Nanang
Al-Jabar: Jurnal Pendidikan Matematika Vol 13 No 2 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v13i2.12496

Abstract

This study explores students' mathematical computational thinking ability in solving the Pythagorean Theorem problem. This research method used a qualitative approach with a phenomenological design. The subjects involved in this study were 12 junior high school students. Six students in grade 7 had not studied the Pythagorean Theorem, and six students in grade 8 were studying the Pythagorean Theorem. This study's results indicate several problems with students' mathematical computational thinking skills in mathematics learning. The first problem is seen from the aspect of abstraction. Students are given problems with the help of digital-based teaching aids. Then the researcher provides procedures containing questions so students can digest the information and follow their intuition to find a solution strategy. Still, students have not decided what information should be stored or ignored. The second problem is seen from the aspect of decomposition. Students have not been able to decompose complex problems into simpler and more manageable ones. Student responses are also still not according to the researchers' predictions. However, with the scaffolding technique, researchers can direct students' intuition or thought processes to focus more on the problem being asked. The third problem is seen from the aspect of generalization. Students have not been able to generalize the problem and have not been able to conclude from the steps that have been taken. These three problems indicate that students cannot recognize and identify patterns well, thereby reducing the efficiency of the mathematical problem-solving process.
Co-Authors Nanang Priatna Yaya S. Kusumah