Wibawa, Nyoman Arda
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Analisis kesalahan siswa SD dalam menyelesaikan soal kombinatorika Gema Lomba Matematika Tahun 2025 berdasarkan teori Newman Tamariska, Gavrila; Darmayanti, Komang Srie; Sutama, Putu; Silalahi, Raphita Yanisari; Wibawa, Nyoman Arda
Primatika : Jurnal Pendidikan Matematika Vol. 14 No. 1 (2025)
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/primatika.v14i1.4780

Abstract

Gema Lomba Matematika (GLM) merupakan kompetisi olimpiade matematika tingkat nasional yang diselenggarakan oleh Himpunan Mahasiswa Jurusan Matematika, Universitas Pendidikan Ganesha. Dalam kompetisi ini menyajikan soal tipe Higher Order Thinking Skills (HOTS) yang bertujuan mengasah kemampuan berpikir tingkat tinggi. Penelitian ini bertujuan untuk menganalisis jenis dan penyebab kesalahan yang dilakukan oleh siswa semifinalis GLM tingkat SD tahun 2025 dalam menyelesaikan soal HOTS pada materi kombinatorika. Penelitian menggunakan metode kualitatif deskriptif dan subjek dipilih menggunakan teknik purposive sampling, yang mencakup masing-masing 2 siswa dengan nilai tertinggi, menengah, dan rendah. Teknik pengumpulan data dilakukan melalui tes dan wawancara dan analisis data mencakup reduksi data, penyajian data, dan penarikan kesimpulan dengan triangulasi. Hasil penelitian menunjukkan bahwa kesalahan utama siswa disebabkan oleh kurangnya pemahaman terhadap konsep yang berkaitan dengan soal. Berdasarkan wawancara, faktor penyebab kesalahan meliputi minimnya pemahaman konsep, ketidakmampuan dalam merancang strategi penyelesaian, serta kepanikan saat mengerjakan soal. Hasil analisis menunjukkan bahwa kesalahan terjadi pada proses memahami masalah (33%), kesalahan transformasi (17%), kesalahan dalam proses penyelesaian (50%). Analisis ini mengindikasikan bahwa proses berpikir sistematis dan pemahaman konsep menjadi tantangan utama siswa dalam menyelesaikan soal kombinatorika tipe HOTS. Melalui analisis ini diharapkan guru atau pembina dapat melakukan pembinaan yang lebih menekankan pada pemahaman konsep dan latihan penyelesaian soal HOTS.
An exploration of teachers' perspectives on computational thinking in mathematics learning Yudi Hartawan, I Gusti Nyoman; Pujawan, I Gusti Ngurah; Wibawa, Nyoman Arda
Indonesian Journal of Educational Development (IJED) Vol. 6 No. 4 (2026): February 2026
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM) Universitas PGRI Mahadewa Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59672/ijed.v6i4.5594

Abstract

The integration of Computational Thinking (CT) into mathematics learning has become a key demand in 21st-century education, as it plays an important role in developing logical, creative, and systematic thinking skills. However, in the context of Indonesian education, implementing CT still faces various challenges, particularly regarding teachers’ understanding and readiness to integrate it into the learning process. This study aims to explore teachers’ perspectives on CT-based mathematics learning, including their understanding, perceived relevance, readiness, and the challenges they face in its implementation at the junior high school level. This study offers a novel contribution by explicitly distinguishing between teachers’ conceptual understanding of CT and their pedagogical readiness to implement CT in mathematics learning, a gap that has been insufficiently explored in previous studies. The study employed a qualitative approach with an exploratory design. The research population consisted of junior high school mathematics teachers in Singaraja City, Indonesia. Eight teachers were selected as research participants using purposive sampling based on criteria such as teaching experience, involvement in CT-related or technology-based learning, and willingness to participate in the study. Data were collected through semi-structured interviews, classroom observations, and analysis of learning documents, then analyzed inductively through the stages of data reduction, data presentation, and conclusion drawing. The results showed that the teachers’ perspectives on CT-based mathematics learning are conceptually positive but still limited in practice. CT is considered relevant and potentially effective in strengthening mathematical thinking skills; however, its implementation requires systematic support. Based on these findings, the study recommends providing continuous, practice-oriented professional development programs for teachers, developing CT-based mathematics teaching resources, and stronger policy support to facilitate the effective integration of CT into junior high school mathematics learning. The study's implications highlight the importance of strategies to strengthen teachers’ capacity.