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All Journal Pedagogi: Jurnal Ilmu Pendidikan Jurnal Infinity Kreano, Jurnal Matematika Kreatif-Inovatif International Journal of Education AKSIOMA: Jurnal Program Studi Pendidikan Matematika Madrasah: Jurnal Pendidikan dan Pembelajaran Dasar Jurnal Elemen Jurnal Kajian Pembelajaran Matematika Metathesis: Journal of English Language, Literature, and Teaching Jurnal Penelitian Pendidikan IPA (JPPIPA) JMPM: Jurnal Matematika dan Pendidikan Matematika JPM (Jurnal Pemberdayaan Masyarakat) Indonesian Journal of Science and Mathematics Education INSPIRAMATIKA Unisda Journal of Mathematics and Computer Science (UJMC) Jurnal Tadris Matematika JURNAL EKSAKTA PENDIDIKAN (JEP) Jurnal Cendekia : Jurnal Pendidikan Matematika International Journal of Elementary Education Jurnal Pendidikan Matematika (Jupitek) M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika de Fermat : Jurnal Pendidikan Matematika Jurnal Riset Pendidikan dan Inovasi Pembelajaran Matematika (JRPIPM) Abdimas Universal Hipotenusa : Journal of Mathematical Society Range : Jurnal Pendidikan Matematika Jurnal Pedagogi dan Pembelajaran Nusantara Science and Technology Proceedings Journal of Mathematics Education and Science Hipotenusa: Journal of Research Mathematics Education (HJRME) Rainstek : Jurnal Terapan Sains dan Teknologi Jurnal Penelitian Pendidikan Matematika Edusentris: Jurnal Ilmu Pendidikan dan Pengajaran Unnes Journal of Mathematics Education Jurnal Pengabdian Masyarakat: BAKTI KITA J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat) Journal of Artificial Intelligence and Digital Business Indonesian Research Journal on Education PEDAMATH: Journal on Pedagogical Mathematics Journal of Mathematical Pedagogy (JOMP) Jurnal Infinity Jurnal Tadris Matematika Jurnal Pendidikan Progresif Journal of the Indonesian Mathematics Education Society Jurnal Didaktik Matematika Journal of Current Studies in SDGs Journal of Current Studies in SDGs
Ali Shodikin
Universitas Negeri Surabaya
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Other

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Journal : journal of mathematics education and science

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Developing Computer Science Unplugged Worksheets to Enhance Second-Grade Number Concept Understanding Titik Purnamasari; Raden Sulaiman; Ali Shodikin
Journal of Mathematics Education and Science Vol. 9 No. 1 (2026): Journal of Mathematics Education and Science
Publisher : Universitas Nahdlatul Ulama Sunan Giri Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32665/james.v9i1.6341

Abstract

This study aimed to develop and evaluate Computer Science Unplugged (CS Unplugged)–based student worksheets to enhance second-grade students’ understanding of number concepts. This study employed a Research and Development approach using the ADDIE model and involved 26 second‑grade students in a limited practical trial. The developed worksheets were evaluated through expert validation, practicality testing based on teacher and student responses, and effectiveness testing using a one-group pretest–posttest design. The results indicated that the worksheets achieved a very high level of validity (media: 92.67%; content: 91.67%) and practicality (students: 91.38%; teacher: 90%). The effectiveness test showed a substantial improvement in students’ learning outcomes, with the mean score increasing from 67 in the pretest to 90.38 in the posttest, and an N-gain score of 0.73, categorized as high. These findings demonstrate that CS Unplugged–based worksheets are valid, practical, and effective for improving students’ understanding of number concepts while supporting the integration of computational thinking in elementary mathematics education.  
Co-Authors Abdullah, Abdul Halim Abdur Rohim AGUNG LUKITO Ahmad Ryan Hidayat Ali muhajir, Ali Alvenna Nursyafira Angesti Gita Kartika Anik Novianti Anik Novianti, Anik Anisa Firdaus Asmana, Arezqi Tunggal Auni, Anggita Ayu Lestari Brigita Febi Valensiana Didan Rizky Adha Didan Rizky Adha Diyah, Fima Hayu Ning Ekawati, Dea Wulan Erieza Dwi Pratiwi Erina Ellen Rusmana Faiqotul Himmah Faizah, Siti Febriani, Indri Rohmatul Fakhri Fernanda, Betita Nadia Fiyah, Mas Fuadah, Putri Fithrotul Galleh Dwi Samudro Gita Ainul Hidayah Hendrik Furqon Hendrik Furqon Heny Ekawati Haryono Hidayati, Alifia Putri Hidayatul Maratin Holyness Nurdin Singadimedja Ida Ayu Putu Sri Widnyani Ihsani, Ulynnuha Aulia Imam Rofiki Indraswari, Annisa Yora Intan Sari Rufiana Ismah, Arina Izzatil Janet Trineke Manoy Khafidhoh Nurul Aini Khusnah, Khotimatul Kusnul Khotimah MASRIYAH Masriyah Mega Fatimah Rosana Mohammad Nurwahid Mohammad Yusuf Randy Mudhiah, Siti Mustofah Mustofah Mutiari, Rahma Nabilah, Istianatun Nadiayah, Ishomah Nadifah, Lailatul Nazilatun Ni'mah Niawati, Zulin Nindya Tifa Novitasari Novandi Kevin Pratama Novandi Kevin Pratama Novandi Kevin Pratama Novandi Kevin Pratama Nugroho, Setiaji Nugroho, Setiaji Nur Imro’atus Solikha Nur Imro’atus Solikha Nur Imro’atus Solikha Nur Imro’atus Solikha Nurkumala, Silvia Eka Nurzatulshima Kamaruddin Oktavia, Siwi Putri Pratama, Novandi Kevin Prismahardi Aji Riyantoko Putri, Kharisma Dwisinta RADEN SULAIMAN Rahaju, Endah Budi Rahayu, Tri Retno Rahmania Putri, Kartika Rahmawati, Adinda Aulia Ramidha, Nur Fitriani Rika Nur Safitri Riska Fatikkatin Riyantoko, Prismahardi Aji Ri’ayatul Khoiriyah Rooselyna Ekawati Salma Hasna Hamiydah Samudro, Galleh Dwi Sa’abdillah Abas Setiaji Nugroho Shafira, Putri Dian Siti Amiroch, Siti Siti Daiyatul Hamidah Siti Faizah Siti Mudhiah Siti Nur Millah Slamet Arifin Sofiana, Inaz Iffarani Solikha, Imro’atus Solikha, Nur Imro’atus Sri Rahayuningsih SUSANAH Sutardi Sutardi Syifaurrohman, Muhammad Huda Tatik Retno Murniasih Tatik Tatik Titik Purnamasari Tri Ratna Rahayu Valensiana, Brigita Febi Wahyu Kyestiati Sumarno Wulandari, Hilaria Yesieka Ayu Yunis Setiyowati Yurizka Melia Sari