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Ashari, Nur Wahidin
Universitas Negeri Makassar
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Journal : edumatika

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The Analysis of Students’ Critical Thinking Skills in Determining Plane Figure Properties Nur Wahidin Ashari; Muhammad Ikram; I Luh Sumber Dani
Edumatika : Jurnal Riset Pendidikan Matematika Vol. 5 No. 1 (2022): May 2022, Edumatika : Jurnal Riset Pendidikan Matematika
Publisher : Fakultas Tarbiyah dan Ilmu Keguruan IAIN Kerinci

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32939/ejrpm.v5i1.1336

Abstract

The plane figure is compulsory mathematics material at all levels of education, including junior high school. However, students still make frequent mistakes in understanding the plane figures' properties. In understanding this topic, students must have the skill to think critically. Critical thinking is a process of rational thinking before deciding or taking action in a more specific direction. Therefore, this study aims to determine students' skills in defining the plane figure's properties. The method used in this research is a qualitative research method. Tests and interviews were used to determine the students' skills in determining the properties of the plane figure. Researchers determined five indicators used to determine students' skills in determining the nature of the plane figure: focusing and formulating, observing and assessing observation results, making and assessing inductions, defining and assessing definitions, and integrating decisions. Three junior high school students were selected as research subjects with high, medium, and low skill levels, respectively. The data analysis used descriptive analysis using method triangulation and theory triangulation. The research results show two students' mathematical critical thinking patterns based on their skills. The subjects with high and medium skills can solve all problems with a small error rate and fulfill all predetermined critical thinking skills indicators. On the other hand, the subject with low skills has not been able to solve problems, so no critical thinking indicators are met. There is a misunderstanding on high and moderate skills subjects. Neither understand the meaning of opposite angles and parallel lines in specific plane figures. It can be a reference for teachers to improve students' understanding of mathematical concepts.
Co-Authors Ahmad, Asdar Alimuddin, Herman Amanda Amanda Andi Nurazizah Anisah Huriyah Arfianty Amin Arman Ramadan Asdar . Aswar Salim Ayu Rahayu Baharuddin Baharuddin Dian Pebina Djam’an, Nurwati Fadhilah Nur Sa'diyyah Fahrul Basir Farnesyia Putri Farnesyia Putri Fauziah Fauziah Fauziyyah Alimuddin Fitri Rachmadani Fitriani A, Fitriani Fitriani A. Hajrah Hajrah, Hajrah Hasnia Hassan, Muhammad Nasiru Hisyam Ihsan I Luh Sumber Dani Ikram, Muhammad Ilyas, Muhammad Irawan, Agustina Irfan Pratama Amrin Ja'faruddin Ja'faruddin Jabal Nur. D Jafaruddin Jusriati Jusriati Kadek Widiani Khaerati Khaerati La Eru Ugi Lestari, Wiwit Damayanti Ma'rufi Ma'rufi Mar Athul Wazithah T. Marufi Marufi Merry Sul Mufliha Adam Muhammad Ammar Naufal Muhammad Farhan Muhammad Isbar Pratama Muhammad Nasiru Hassan Nabila Putri Amelia Nasrah Nasrullah Nasrullah Nasrullah Natalia Detrin Ombi Nirsal Nur Amaliah Nur Amriani Nur Anisa Syam Nur Hilma Amalia Nur Inayah Anwar Nur Isnaeni Oseani Nur Raudatul Jannah Nuramaliyah Ramadhany Nurfitrah Nurwahidah Nurwahidah Nurwati Djam'an Nurwati Djam'an Nurwati Djaman Pakan, Astri Yunianti Rachmat Fajar Halim Rahmaniar Anindini Rahmat Hidayat Ririt Marsuki Sabri Sabri Sahlan Sidjara Salwah Salwah Salwah Samsuddin, Auliaul Fitrah Saputra, Andika Ardel Saputra Sukarna Sunardin, Sunardin Suradi Suradi Susilawati, Fitrah Eka Syahrullah Asyari, Syahrullah Syamsuddin Mas'ud Tahir, Nasliya Tahmir, Suradi Tampa, Alimuddin Tri Bondan Kriswinarso Usman Mulbar Vianingrum Wahyuni, Maya Sari Wisnu Kurniadi Wulan Nur Fadiyah Zainal, Zaid