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PENGUATAN KEMAMPUAN BERHITUNG MELALUI IMPLEMENTASI PERMAINAN TRADISIONAL BALAP KARUNG BAGI PESERTA DIDIK SMP PESANTREN ASSALAM PONTIANAK Ressy Rustanuarsi; Andina Nurul Wahidah; Komalasari; Azizah Jihadiah; Nopita Anggelia Lestari
GERVASI: Jurnal Pengabdian kepada Masyarakat Vol. 10 No. 1 (2026): GERVASI: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM IKIP PGRI Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31571/gervasi.v10i1.10190

Abstract

Kegiatan pengabdian ini bertujuan untuk memperkuat kemampuan berhitung bilangan bulat peserta didik SMP, khususnya pada aspek ketepatan dan kecepatan, melalui implementasi permainan tradisional balap karung. Kegiatan dilaksanakan di SMP Pesantren Assalam Pontianak dengan melibatkan 36 peserta didik kelas VIII. Pelaksanaan kegiatan menggunakan model Participatory Action Research (PAR) meliputi tahap identifikasi masalah, perencanaan tindakan, pelaksanaan, serta evaluasi dan refleksi. Hasil kegiatan menunjukkan bahwa peserta didik mampu menyelesaikan soal penjumlahan dan pengurangan bilangan bulat dengan baik. Namun, kemampuan pada operasi campuran yang melibatkan perkalian dan pembagian bilangan negatif masih rendah sehingga memerlukan penguatan lanjutan berupa latihan terstruktur dan pembahasan konsep secara bertahap. Kegiatan ini juga mendorong motivasi dan keterlibatan peserta didik yang tampak dari partisipasi aktif dan respons positif selama kegiatan. Berdasarkan hasil tersebut, dapat disimpulkan bahwa permainan balap karung dapat digunakan sebagai media untuk penguatan kemampuan berhitung bilangan bulat bagi peserta didik SMP.
Borneo ethnomathematics: Developing a mathematics test instrument based on local culture Andina Nurul Wahidah; Yumi Sarassanti; Putri Kusuma Wardani
AXIOM : Jurnal Pendidikan dan Matematika Vol 15, No 2 (2026)
Publisher : State Islamic University of North Sumatra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/axiom.v15i2.23644

Abstract

This study aimed to develop a culturally contextualized mathematics assessment instrument for Grade XI students by integrating Borneo ethnomathematics into mathematics assessment practices. This study employed a research and development (R&D) method using a modified model proposed by Wilson, Oriondo, and Antonio, consisting of three stages, namely test design, pilot testing, and test assembly. The study involved Grade XI students at MA Raudhah Islamiyah, Mempawah Regency, who were selected using a non-probability sampling technique. Data were collected through test administration and analyzed using SPSS and ANATES to examine item validity, reliability, difficulty index, discrimination index, and distractor effectiveness. The results indicate that the developed instrument meets the criteria for a high-quality assessment tool. Most items demonstrated high validity, with only a few requiring minor revisions. The instrument showed good discrimination (0.67) and a moderate difficulty level (0.66), indicating its effectiveness in differentiating students' mathematical abilities. In addition, 49% of the distractors functioned effectively. These findings suggest that integrating local cultural contexts into assessment design can produce valid and reliable instruments while enhancing the relevance of mathematics assessment for students. Therefore, the developed instrument can serve as an alternative assessment tool that promotes both conceptual understanding and cultural awareness in mathematics learning.