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All Journal JURNAL PENDIDIKAN TAMBUSAI Mandalika Mathematics and Educations Journal
Turnip, Leonardo
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Mathematics Social Sciences

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Studi Kesalahan Mahasiswa dalam Menyelesaikan Soal Subring dan Ideal: Perspektif Strategi Polya Nainggolan, Gustia Louisa; Manurung, Sri Lestari; Siregar, Dea Athalia; Turnip, Leonardo
Jurnal Pendidikan Tambusai Vol. 9 No. 1 (2025)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

Penelitian ini bertujuan untuk mengidentifikasi dan menganalisis kesalahan mahasiswa dalam menyelesaikan soal matematika pada topik Subring dan Ideal dalam Struktur Aljabar. Subjek penelitian terdiri dari 20 mahasiswa jurusan Matematika di Universitas Negeri Medan. Metode yang digunakan adalah pendekatan deskriptif dengan teknik pengumpulan data melalui pencatatan pertanyaan mahasiswa, kemudian dianalisis secara deskriptif kualitatif.Hasil penelitian menunjukkan bahwa rata-rata kompetensi mahasiswa dalam memahami permasalahan mencapai 59%, menyusun strategi pemecahan masalah 59%, mengeksekusi rencana penyelesaian 50%, dan meninjau ulang solusi 46%. Tingkat penguasaan mahasiswa dalam pemecahan masalah masih rendah, dengan kesulitan utama pada perencanaan dan pemeriksaan ulang solusi. Oleh karena itu, diperlukan pembelajaran yang lebih sistematis dengan menekankan perencanaan dan refleksi guna meningkatkan pemahaman mahasiswa dalam menyelesaikan permasalahan matematika.
Analisis Kesalahan Mahasiswa Dalam Menyelesaikan Soal Limit Fungsi Berdasarkan Teori Kastolan Tanjung, July Yanty; Simanjuntak, Rosi Ade Putri; Manullang, Juliana Citra; Turnip, Leonardo; Simanullang, Michael Christian
Mandalika Mathematics and Educations Journal Vol 7 No 2 (2025): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i2.9014

Abstract

This study aims to identify the causes of errors made by students in solving limit function problems. Limit concepts often present challenges to students due to their complexity, which can lead to confusion. In this research, four students from the Mathematics Education Program at Universitas Negeri Medan served as the subjects, participating in interviews and written tests. They were given limit problems to assess their difficulties in understanding the material. The findings revealed a variety of errors made by the students. Approximately 75% of these errors were due to their inability to organize proper solution steps and incorrect application of formulas. Additionally, 50% of the errors resulted from a lack of understanding of the definition of limits, while 25% were attributed to calculation mistakes or oversights. These results indicate that many students still struggle with the fundamental concepts of limits and the correct methods for solving these problems. To improve student comprehension in this area, it is recommended to implement more interactive and focused teaching methods, enabling them to better grasp the concepts of limits and the appropriate techniques for problem-solving.
Co-Authors Manullang, Juliana Citra Michael Christian Simanullang Nainggolan, Gustia Louisa Simanjuntak, Rosi Ade Putri Siregar, Dea Athalia Sri Lestari Manurung, Sri Lestari Tanjung, July Yanty