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All Journal Jurnal Infinity AKSIOMA: Jurnal Program Studi Pendidikan Matematika WARTA JIPM (Jurnal Ilmiah Pendidikan Matematika) Al-Jabar : Jurnal Pendidikan Matematika Al Ishlah Jurnal Pendidikan Resona : Jurnal Ilmiah Pengabdian Masyarakat Jurnal SOLMA CARADDE: Jurnal Pengabdian Kepada Masyarakat JURNAL PENDIDIKAN TAMBUSAI Jurnal PTK dan Pendidikan M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Buletin KKN Pendidikan Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika JURNAL ILMIAH GLOBAL EDUCATION Proceeding ISETH (International Summit on Science, Technology, and Humanity) Journal of Educational Technology and Learning Creativity Jurnal Tadris Matematika (JTMT) Asian Journal of Management, Entrepreneurship and Social Science Jurnal Infinity Proceeding International Conference on Mathematics and Learning Research Mathematics Education Journal Journal on Mathematics Education Jurnal VARIDIKA Indonesian Journal on Learning and Advanced Education (IJOLAE) Jurnal Didaktik Matematika
Muhammad Noor Kholid
Universitas Muhammadiyah Surakarta
Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Social Sciences Other

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Journal : m a t h l i n e jurnal matematika dan pendidikan matematika

 1 
The Development of Olympiad Oriented Mathematics Worksheets to Improve Students’ Critical Thinking Skills in Junior High School Dian Rahmawati Davi; Sutama Sutama; Muhammad Noor Kholid
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 11 No. 1 (2026): Mathline : Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v11i1.1103

Abstract

Critical thinking remains a major challenge in junior high school mathematics learning, particularly in solving non routine problems that require reasoning and justification. Although Olympiad type (OSN) problems have strong potential to cultivate higher order thinking, their integration into regular classroom materials is still limited. This study aimed to develop Olympiad oriented (OSN) mathematics worksheets (LKPD) to address the limited availability of learning materials that foster junior high school students’ critical thinking skills, particularly in exponent topics, which are conceptually challenging and frequently tested in mathematics competitions. The Research used a Research and Development (R&D) approach with the ADDIE model (analysis, design, development, implementation, and evaluation). The worksheets were designed to scaffold and strengthen critical thinking through five indicators: interpretation, mathematization, analysis, explanation, and evaluation. The field implementation involved 29 eighth grade students at MTsS YIC Sudirman in the 2025/2026 academic year. Product quality was examined through expert validation and user responses (teacher and students), while effectiveness was evaluated using a pretest–posttest design and indicator level performance analysis. The results showed that the developed worksheets were valid, practical and effective for classroom use. Students’ achievement increased from a pretest mean of 14.77 (SD = 2.69) to a posttest mean of 23.28 (SD = 3.18). Improvements were found across all critical thinking indicators, with the most notable gains in interpretation and mathematization, followed by analysis. However, explanation and especially evaluation still required further reinforcement. Therefore, future instructional design should incorporate more tasks that explicitly require students to justify their reasoning, critique alternative solutions, and reflect on the validity of their answers to strengthen these higher order thinking components. Overall, the OSN oriented worksheets are valid, practical and effective improve students’ critical thinking skills in junior high school mathematics learning.
Co-Authors Abdullah, Harits Adi Nurcahyo Adi Nurcahyo Aditya Laili, Luthfiana Afiyah, Asyifa Nur Ahadiyati, Arina Ahmad Zul Fakar Ahmad Zul Fakar Aisyara Zalzabila Sapruddin Anatri Desstya Anggareni, Peni Anggoro Hermawan, Dwi Annisa Swastika Anton Adi Suryo Kusuma Aprian Agung Kurniawan Arifin, Achmad Januar Arina Ahadiyati Arlinwibowo, Janu Arum, Sekar Mustika Astiani, Afifatul Ayu Asyifa Nur Afiyah Augustin, Azzahra Nadia Auliya Ningrum Beauty, Melati Berliani Ardelia Sukowati Cholis Sa’dijah Christina Kartika Sari Dewi, Deshinta A Dian Rahmawati Davi Dias Aziz Pramudita Dini Wardani Maulida Erry Hidayanto Fadhilah, Himmatul Fatah Yasin Al Irsyadi FATHULOH, RIDWAN Ferdianto, Juli Fernanda Setya Putra Fuad Luky Atmaja Hastuti, Windi Hendrisa Rizqie Romandoni Huda, Maskur Husodo, Herlang Duta Ika Candra Sayekti Indriyani Tri Jayanti Ismiyati, Ismiyati Janu Arlinwibowo Khofifah Titan Palupi Laili Etika Rahmawati Lestari, Winda Dwi Lingga Nico Pradana Loc, Nguyen Phu M Qoyum Zuhriawan Magdas, Ioana Christina Mardiana Nissa Mark Angelo C Reotutar Masduki Ma’ulfi Kharis Abadi Miftachul Hidayati Miftakhul Djannah Minsih Mitasari, Dewi Mohamad Waluyo Mohammad Rifki Maulana Muhaimin, Lukman Hakim Mutiara Hisda Mahmudah Nanna, A.Wilda Indra Nasrulloh, Agung Naufal Ishartono Ningtyas, Yoga Dwi Windy Kusuma Nining Setyaningsih Nuqthy Faiziyah Nuriya Hazma Arifatul Ulya Nurul Hikmah Kartini Oktiatama, Firlana Bakti Permadi, Hendro Prasetyo, Wibowo Heru Pratama, Muhammad Alif Pratiwi, Enditiyas Rafiza binti Abdul Razak Rafiza binti Abdul Razak Rahmad Firman Yasin Ramadhan, Aldy Tri Ratnasari Diah Utami Razak, Rafiza binti Abdul Risda Putri Nugrahani Rosita Dewi S Sukimin Santosa, Yoga Tegar Setiadi, Arief Siti Hajar binti Halili Soraya Djamilah, Soraya Sri Rahayuningsih Sri Rejeki Sri Sutarni Sutama SWASTI MAHARANI Swasti Maharani Swasti Maharani, Swasti Syafif, Insiana Aribatunnisah Tatik Retno Murniasih Tiara Citra Maharani Firdaus Tika Andriani Tina Putri Alfiana Tonra, Wilda Syam Toto Nusantara Toyib, Muhamad Ulya, Nuriya Hazma Arifatul Vivi Suwanti Vrapi, Asllan Widia Yunita Widia Yunita, Widia Winahyu Septiana Prayogi Wulan Berliana Putri Yasir Sidiq Yoga Dwi Windy Kusuma Ningtyas Yulia Maftuhah Hidayati Zayyadi, Moh Zeni Fadlila Agustina