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All Journal Mandalika Mathematics and Educations Journal Indonesian Research Journal on Education JDIME: Journal of Development and Innovation in Mathematics Education Jurnal Ilmiah Matematika (JIMAT)
Sinurat, Putra Paulus
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Religion Arts Humanities Chemistry Education Energy Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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A Analisis Kessalahan Mahasiswa Dalam Menyelesaikan Soal Barisan Monoton Dengan Perspektif Teori Kastolan Nainggolan, Gustia Louisa; Siregar, Dea Athalia; Dhuha, Nadira Kaylana; Sinurat, Putra Paulus; 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.v7i2.8963

Abstract

This study aims to analyze the types of errors made by students in solving problems involving Monotonic Sequences, using Kastolan’s error theory as the analytical framework. A qualitative descriptive approach was adopted, involving three students from a Mathematics Education Study Program as research participants. Data were collected through problem-solving tasks distributed via Google Forms and analyzed based on Kastolan’s error categories. The data analysis process consisted of three stages: data reduction, data presentation, and conclusion drawing. The findings revealed that procedural errors were the most dominant, occurring in 66% of the responses and classified as very high. Conceptual errors followed with a percentage of 33%, categorized as moderately high. Technical errors appeared least frequently, with a percentage of 11%, and were categorized as low. These results indicate that students face difficulties in following systematic steps during problem-solving. Therefore, educators are encouraged to reinforce students’ procedural skills by implementing learning strategies that are more structured, focused, and effective.
Pengaruh Media Sosial Terhadap Minat Belajar Matematika Mahasiswa Simanjuntak, Rosi Ade Putri; Sinurat, Putra Paulus; Manurung, Hendra Cahyadi; Sagala, Prihatin Ningsih; Tanjung, July Yanty; Berutu, Jhosua
JIMAT: Jurnal Ilmiah Matematika Vol 6 No 1 (2025): Januari- Juni 2025
Publisher : Program Studi Pendidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63976/jimat.v6i1.790

Abstract

Tujuan penelitian untuk menganalsiis pengaruh media social pada minat belajar matematika mahasiswa, dengan fokus pada aplikasi pesan instan seperti WhatsApp. Hasil analisis menunjukkan bahwa penggunaan media sosial berkontribusi sebesar 37,0% terhadap minat belajar matematika, meskipun masih terdapat 63,0% variabel lain yang memengaruhi motivasi belajar mahasiswa, seperti metode pengajaran dan dukungan dari lingkungan sekitar. Dengan memahami dampak interaksi di media sosial, semoga penelitian ini menghasilkan wawasan tentang pemanfaatan media sosial secara optimal dalam meningkatkan hasil belajar matematika di kalangan mahasiswa.
Studi Perbandingan Penggunaan Media Pembelajaran Digital dan Manual pada Materi Persamaan dan Fungsi Kuadrat Siswa Kelas X-E SMAN 1 Batang Kuis Kairuddin, Kairuddin; Sarah, Siti; Sinurat, Putra Paulus; Simanjuntak, Rosi Ade Putri; Berutu, Jhosua
Indonesian Research Journal on Education Vol. 4 No. 4 (2024): irje 2024
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/irje.v4i4.1280

Abstract

Penelitian ini bertujuan untuk membandingkan efektivitas penggunaan media pembelajaran digital dan manual pada materi persamaan dan fungsi kuadrat di kelas X-E SMAN 1 Batang Kuis. Metode yang digunakan adalah eksperimen siswa/i yang masing-masing menggunakan media pembelajaran digital dan manual. Objek penelitian ini yaitu siswa kelas X-E SMA Negeri 1 Batang Kuis yang berjumlah 31 siswa.  Data dikumpulkan melalui kuesioner untuk mengukur motivasi siswa. Hasil penelitian menunjukkan bahwa penggunaan media pembelajaran manual memberikan dampak positif yang lebih signifikan terhadap minat belajar siswa SMA Negeri 1 Batang Kuis dibandingkan dengan media digital. Penelitian ini menekankan pentingnya mempertimbangkan karakteristik siswa dan kondisi lingkungan siswa dalam memilih metode belajar yang sesuai.
Development of Augmented Reality-Based Learning Media with GeoGebra 3D to Enhance Interest and Concept Understanding in Ceva Theorem Sarah, Siti; Simanjuntak, Rosi Ade Putri; Sinurat, Putra Paulus; Berutu, Jhosua; Suwanto, Fevi Rahmawati
JDIME: Journal of Development and Innovation in Mathematics Education Vol. 3 No. 1 (2025): Journal of Development and Innovation in Mathematics Education
Publisher : Insitut Agama Islam Negeri Kerinci

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32939/jdime.v3i1.4395

Abstract

This study aims to develop an Augmented Reality (AR)-based learning media utilizing GeoGebra 3D to teach the Ceva's Theorem in a triangular prism, with the goal of enhancing students' conceptual understanding and interest in learning mathematics. The research employs a Research and Development (R&D) approach using the ADDIE development model, which includes five stages: Analysis, Design, Development, Implementation, and Evaluation. Data collection techniques involved media validation sheets, content validation sheets, practicality questionnaires, concept understanding tests, and student interest questionnaires. The validation results indicated that the developed media was highly valid, with an average score of 4.62 for technological design and 4.54 for content. The practicality of the media was also rated very practical by both teachers (4.7) and students (4.58). The effectiveness test revealed a significant improvement in concept understanding, with a gain value of 0.59 (moderate category), as well as an increase in student interest, reflected by an average score of 4.32 (high category). These findings indicate that the AR-based learning media using GeoGebra 3D is not only valid and practical but also effective in improving students' understanding and interest in complex spatial geometry topics. This study contributes to the development of interactive, contextual, and digital learning innovations that align with the demands of 21st-century education.
Co-Authors Berutu, Jhosua Dhuha, Nadira Kaylana Kairuddin . Manurung, Hendra Cahyadi Michael Christian Simanullang Nainggolan, Gustia Louisa Prihatin Ningsih Sagala Simanjuntak, Rosi Ade Putri Siregar, Dea Athalia Siti Sarah, Siti Suwanto, Fevi Rahmawati Tanjung, July Yanty