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All Journal Kognitif: Jurnal Riset HOTS Pendidikan Matematika
Shaputra, Ramadan
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Computer Science & IT Education Library & Information Science Mathematics Social Sciences Other

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Analisis Kemampuan Siswa dalam Menyelesaikan Masalah Vektor Bidang Shaputra, Ramadan; Sari , Dwi Novita; Febrian, Feri Dwi; Nasution, Cindy Fadilah
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 4 No. 4 (2024): October - December 2024
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v4i4.2347

Abstract

Penelitian ini bertujuan untuk mendeskripsikan sejauh mana siswa memahami konsep pada vektor. Kami menggunakan pendekatan kualitatif dengan melibatkan 32 siswa kelas XII MIA 3 SMA Negeri 13 Medan, yang mana terdiri dari 18 siswa perempuan, 14 siswa laki-laki. Subjek penelitian di berikan dua jenis soal yang konseptual dan procedural. Dari subjek soal yang diberikan oleh peneliti akan mendapatkan hasil dari penelitian ini. Hasil penelitian menunjukan bahwa siswa yang memiliki pengetahuan rendah sebesar 25% dimn siswa tersebut masih bingun dalam mengerjakan soal yang diberikan. Siswa yang memiliki pengetahuan sedang sebesar 50%, dimana siswa tersebut dapat memahami soal nomor 1 tapi tidak memhami soal nomor 2. Siswa yang memiliki pengetahuan tinggi 25%dimana siswa tersebut sangat baik dalam mengerjakan soal nomor 1 dan 2 serta dapat memahami konsep-konsep dalam menjawab soal tersebut.
Measuring Junior High School Students’ Critical Thinking Skills Through Set Operations Tasks Nurdalilah, Nurdalilah; Putri, Aziah Aulisa; Siregar, Luthfiyatul Adawiyah; Shaputra, Ramadan; Febrian, Feri Dwi
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 5 No. 4 (2025): October - December 2025
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v5i4.2515

Abstract

This study aims to describe students’ critical thinking skills. Critical thinking is essential for students, especially in 21st-century learning, where many students use technology to explore answers without fully understanding the questions and the solutions. This study focuses on students’ understanding of set operations in mathematics and identifies the difficulties they face. The participants were 27 ninth-grade students at Al-Manar Junior High School. The study employed a qualitative approach with a descriptive design to analyze students’ abilities to solve problems, decide and implement solution steps, perform operations, and apply mathematical induction related to set operations. The findings are expected to reveal students’ critical thinking skills and their understanding of basic mathematical concepts, particularly in set operations, as well as to identify factors influencing their understanding, thereby improving the quality of mathematics instruction at the primary and secondary education levels. The instrument used to collect data was a test administered to students on the topic of set operations. Data analysis followed these steps: data reduction, data display, and drawing conclusions. The results indicate that students’ ability to solve mathematical problems on set operations is uneven. Based on the critical thinking categories used in this study, no students reached the “very good” category; 80% were in the “good” category, 5% in the “fair” category, and 15% in the “low” category. This distribution was evident in students’ responses, suggesting that their overall problem-solving ability can still be considered good. Therefore, the researcher recommends that teachers pay greater attention to and further develop students’ critical thinking skills and their understanding of basic mathematical concepts.
Co-Authors Febrian, Feri Dwi Nasution, Cindy Fadilah Nurdalilah, Nurdalilah Putri, Aziah Aulisa Sari , Dwi Novita Siregar, Luthfiyatul Adawiyah