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Kemampuan Pemecahan Masalah pada Materi Segi Empat Siswa SMPN 3 Sampit Rabiatul Adawiyah; Herlina Hidayati
Proceedings University of Muhammadiyah Yogyakarta Undergraduate Conference Vol. 2 No. 1 (2022): Strengthening Youth Potentials for Sustainable Innovation
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/umygrace.v2i1.462

Abstract

Kemampuan pemecahan masalah dan pemahaman konsep memiliki hubungan yang sangat erat dalam melakukan pemecahan masalah. Pemahaman konsep menjadi modal yang penting dalam meningkatkan kemampuan pemecahan masalah. Penelitian ini bertujuan untuk mengetahui bagaimana kemampuan pemecahan masalah siswa berdasarkan tingkat pemahaman konsep matematis siswa dalam menyelesaikan soal cerita bangun datar segi empat. Metode yang digunakan adalah metode deskriptif dengan pendekatan kualitatif. Subyek penelitian adalah 3 siswa SMPN 3 Sampit yang memiliki pemahaman konsep tinggi, sedang dan rendah. Hasil penelitian didapatkan bahwa S1 mampu memahami soal dengan baik dengan menyebutkan apa yang diketahui dan apa yang ditanyakan pada soal kemudian membuat gambar segi empat, mampu merencanakan penyelesaian dengan baik, hal ini ditunjukkan dari bagaimana subjek menentukan cara/rumus/metode apa yang digunakan untuk menyelesaikan soal segi empat dan mampu melaksanakan penyelesaian soal yang telah diberikan, serta melakukan pemeriksaan kembali pada jawaban. Sedangkan S2 mampu memahami soal dengan baik kemudian membuat gambar segi empat, namun pada tahap merencanakan penyelesaian dan melaksanakan penyelesaian masih terdapat kesalahan, serta tidak melakukan pemeriksaan kembali. Adapun S3 masih belum mampu memahami soal dengan baik dan tidak membuat gambar segi empat, serta belum mampu merencanakan penyelesaian, belum mampu melaksanakan penyelesaian dan tidak melakukan pemeriksaan kembali. Berdasarkan hasil penelitian S1 termasuk dalam kemampuan pemecahan masalah dengan pemahaman konsep tinggi, S2 termasuk dalam kemampuan pemecahan masalah dengan pemahaman konsep sedang dan S3 termasuk dalam kemampuan pemecahan masalah dengan pemahaman konsep rendah.
Critical Thinking Ability of Junior High School Students Who Have Self-Confidence Sari Mulyani; Herlina Hidayati; Anwar Muttaqien
Proceedings University of Muhammadiyah Yogyakarta Undergraduate Conference Vol. 2 No. 1 (2022): Strengthening Youth Potentials for Sustainable Innovation
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/umygrace.v2i1.515

Abstract

Students often have difficulty in solving problems, this is due to lack of confidence and students' critical thinking skills are still low. Critical thinking skills are needed to make decisions in solving problems on problems. In order for students to make decisions, students must have confidence in practicing critical thinking skills. This study aims to describe students' critical thinking skills in solving story problems in junior high school students who have confidence. This research method is descriptive research with a qualitative approach, in the form of the results of the work of non-test students, written tests and in-depth interviews. This study included 2 subjects who had the ability to think critically with confidence. The results of this study show that students can meet all criteria such as (1) students are able to understand problems, write down problem information from known, namely Tini bought 2 pens and bought 1 writing book, while Aisyah bought more pens than Tini equivalent to the price of books, then what was asked was the price of 2 pens and 3 writing books, respectively, (2) students are able to analyze and create mathematical models, able to consider assumptions and determine the results of completion, namely solving mathematical models on the material of a system of two-variable linear equations (SPLDV). And (3) students are able to draw conclusions from the problem, namely being able to conclude from the results of the final solution correctly. So that students are able to understand, model and solve problems appropriately.
Critical Thinking Ability of Junior High School Students Who Have Self-Confidence Sari Mulyani; Herlina Hidayati; Anwar Muttaqien
Proceedings University of Muhammadiyah Yogyakarta Undergraduate Conference Vol. 2 No. 1 (2022): Strengthening Youth Potentials for Sustainable Innovation
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/umygrace.v2i1.522

Abstract

Students often have difficulty in solving problems, this is due to lack of confidence and students' critical thinking skills are still low. Critical thinking skills are needed to make decisions in solving problems on problems. In order for students to make decisions, students must have confidence in practicing critical thinking skills. This study aims to describe students' critical thinking skills in solving story problems in junior high school students who have confidence. This research method is descriptive research with a qualitative approach, in the form of the results of the work of non-test students, written tests and in-depth interviews. This study included 2 subjects who had the ability to think critically with confidence. The results of this study show that students can meet all criteria such as (1) students are able to understand problems, write down problem information from known, namely Tini bought 2 pens and bought 1 writing book, while Aisyah bought more pens than Tini equivalent to the price of books, then what was asked was the price of 2 pens and 3 writing books, respectively, (2) students are able to analyze and create mathematical models, able to consider assumptions and determine the results of completion, namely solving mathematical models on the material of a system of two-variable linear equations (SPLDV). And (3) students are able to draw conclusions from the problem, namely being able to conclude from the results of the final solution correctly. So that students are able to understand, model and solve problems appropriately.