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All Journal Asy-Syir'ah: Jurnal Ilmu Syari'ah dan Hukum NUMERICAL (Jurnal Matematika dan Pendidikan Matematika) JURNAL MAHKAMAH JPM PAMBUDI PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Seling: Journal of PGRA Study Program Jurnal Perspektif Elementeris : Jurnal Ilmiah Pendidikan Dasar Islam Jurnal Dinamika Ekonomi Syariah LEARNING : Jurnal Inovasi Penelitian Pendidikan dan Pembelajaran Journal of Disruptive Learning Innovation (JODLI) Jurnal Pengabdian Masyarakat Bestari (JPMB) Qawanin: Journal of Economic Syaria Law KENDALI: Economics and Social Humanities Jurnal Tatsqif Delta-Phi Jurnal Pendidikan Matematika Revenue Journal: Management and Entrepreneurship JPM Pambudi Ulil Albab Jurnal Pendidikan Islam
Agus Setiawan
Universitas Ma’arif Lampung
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Public Health Social Sciences Other

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Pengembangan LKPD Berbasis Discovery learning Materi Aritmatika Sosial untuk Meningkatkan Kemampuan Pemecahan Masalah Siswa Feni Ni'matul Hidayati; Agus Setiawan; Choirudin Choirudin
Numerical: Jurnal Matematika dan Pendidikan Matematika Vol. 10 No. 1 (2026)
Publisher : Universitas Ma'arif Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/numerical.v10i1.7547

Abstract

This development research aims to produce a Discovery Learning-based Student Worksheet on social arithmetic material for seventh-grade junior high school that is valid, practical, and effective in improving students' mathematical problem-solving abilities. The background of this research is the low problem-solving ability of Indonesian students based on PISA results and the limited teaching materials that encourage independent discovery learning. The research method uses Research and Development (R&D) with a 4D model (Define, Design, Develop, Disseminate) modified to the develop stage with limited trials. The research subjects were 15 seventh-grade students of Al-Asror Islamic Junior High School in East Lampung. Research instruments include expert validation sheets, teacher and student practicality questionnaires, and problem-solving ability tests (pretest-posttest). The results showed: (1) the developed student worksheet was declared very valid by material experts (88.89%) and media experts (88.57%); (2) student worksheet was declared very practical based on teacher (92.77%) and student (91.21%) responses; (3) student worksheet was effective in improving problem-solving skills with an N-Gain value of 0.57 (medium category). The student worksheet product has the characteristics of containing six Discovery Learning syntaxes integrated with Polya's problem-solving steps, using communicative language, and presenting contextual problems. In conclusion, the Discovery Learning-based student worksheet developed is feasible to facilitate the improvement of students' problem-solving skills in social arithmetic material.
Co-Authors A. Muslimin Abu Dharin Aguanda Ahmad Muhlisin Ahmad Mukhlisin Ahmad Zarnuji Alwi Taufik Amalia, Dian Risky Amrulloh, Hanif Arina Manasikana Asriatul Jannah Ayu Fatma Wati Azharaf Rajaya Trana Choirudin Choirudin Choirudin, Choirudin Cholis Sa’dijah Dedi Setiawan Devitri Setiawati Dewi Mekarsari Didik Kusno AJi Dwi Priyanto Eka Fitria Ningsih Eka Riyana Erma Suryani Sahabuddin Erni Setyowati Feni Ni'matul Hidayati Finny Ligery Fitroh Ariansyah Habib Shulton Asnawi Ika Ratih Sulistiani Ika Trisnawati Alawiyah Ischak Suryo Nugroho Isnaini Nur Azizah Iwannudin Iwannudin Jaenullah Jaenullah Jamiat Akadol Leli Fertiliana Dea Leli Fertiliana Dea Leli Fertiliana Dea M. Saidun Anwar M. Saidun Anwar M. Sayyidul Abrori Manteena Madhavi Maragustam Siregar Muhammad Rafli Faishal Wardana Muhammad Saidun Anwar Muhammad Zaini Muhyidin Thohir Muniri Nurul Aisyah Putri Ayu Lestari Rani Darmayanti Rebecca Alicia Yambasu Rina Mida Hayati Rizki Asrarul Mufidah Rizky Hidayatullah Roy Mabruri Saidun Anwar Saiful Rachman Siti Fatonah Sri Sudono Saliro Subandi Subandi Sudarti Sudarti Tabi’in Tabi’in Tri Wahyono Wahyudi Wahyudi Wakhidatul fitriah Yuni Cahyani