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All Journal Jurnal Pendidikan Matematika AKSIOMA: Jurnal Program Studi Pendidikan Matematika Jurnal Elemen KALAMATIKA Jurnal Pendidikan Matematika Union: Jurnal Ilmiah Pendidikan Matematika Wacana Akademika : Majalah Ilmiah Kependidikan JTAM (Jurnal Teori dan Aplikasi Matematika) Theorems (The Original Research of Mathematics) Jurnal Didactical Mathematics JP3M (Jurnal Penelitian Pendidikan dan Pengajaran Matematika) BERNAS: Jurnal Pengabdian Kepada Masyarakat Pasundan International of Community Services Journal (PICS-J) Jurnal Math-UMB.EDU Mosharafa: Jurnal Pendidikan Matematika Journal of Community Service (JCOS) Jurnal Pendidikan Matematika Universitas Lampung Jurnal Ilmiah Matematika Realistik Eduma : Mathematics Education Learning and Teaching
Iik Nurhikmayati
UNIVERSITAS MAJALENGKA
Religion Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Dentistry Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Neuroscience Nursing Public Health Social Sciences Veterinary Other

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Innovative teaching modules utilizing discovery learning to strengthen mathematical problem-solving skills Syifa Ismayanti; Iik Nurhikmayati; Mohamad Gilar Jatisunda
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 1 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i1.18981

Abstract

This research aims to strengthen students' mathematical problem-solving skills by creating teaching modules based on the Discovery Learning approach. Because traditional teaching approaches often fail to engage students effectively, the development of this module is essential. In our research, we use research and development (R&D) techniques with 4D models up to the Development stage, which concentrates on module design and testing. Based on the findings of the validity test, media experts got a score of 73%, while material experts got a score of 87%. The criteria used include relevance, completeness, ease of understanding, suitability for discovery learning, and problem-solving skills. Meanwhile, practicality received an average score of 93.5% from teachers and students. Therefore, modules can be considered legitimate and useful, and are expected to improve student engagement and problem-solving skills. Through this research, it is hoped to significantly advance mathematics education with the creation of more creative teaching strategies. The findings provide a foundation for future studies to refine and expand Discovery Learning-based instructional materials in mathematics education.
Designing contextual worksheets to measure creative thinking skills in mathematics on probability Hilda Mahmudah; Iik Nurhikmayati; Nia Kania; Yasir Yasir
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 3 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i3.18984

Abstract

Students' low mathematical creative thinking skills are the motivation for this study. The aim of this research is to develop context-based student worksheets (LKPD) that assess high school students' mathematical creative thinking abilities. This study uses the ADDIE development model with five stages (Analysis, Design, Development, Implementation, Evaluation), and the research is limited to the implementation stage. The subjects were Grade X students of SMAN 2 Majalengka. The instruments used included practicality questionnaires for teachers and students, validity questionnaires for media and material experts, and effectiveness tests through small-scale trials. A Likert scale was used to collect practicality and validity data, while N-gain analysis was applied to measure effectiveness. The results showed that LKPD with a contextual approach was valid, with an average material expert score of 3.17 and media expert score of 3.50. The practicality was also very good, with teacher practicality at 96.15% and student practicality at 87.26%. The average effectiveness was in the moderate category with an N-gain value of 0.38. Based on these results, it can be concluded that the developed LKPD is feasible, practical, and effective in improving students’ mathematical creative thinking skills. The contribution of this research lies in providing empirically tested, context-based LKPD that can be used as an innovative learning resource to foster mathematical creative thinking in high school students.
Analysis of The Improvement of Student Self-Efficacy in Grade XI of Vocational High School Through The Discovery Learning Model Nur Hanipah; Iik Nurhikmayati; Vici Suciawati
Wacana Akademika: Majalah Ilmiah Kependidikan Vol 9 No 2 (2025): November 2025
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/wacanaakademika.v9i2.17749

Abstract

The aim of this study is to determine the difference in improving students' self-efficacy between those who use the Discovery Learning teaching style and those who use traditional learning methods. The study included samples from class XI TSM 1 as the experimental group and class XI TSM 2 as the control group. The study utilized purposive sampling as the chosen strategy, which involves gathering data based on specific criteria. The experimental class is exposed to the implementation of the Discovery Learning instructional model, whereas the control class adheres to a conventional learning framework. The results of this study indicate that there is an inequality in the development of self-efficacy between the students in the experimental class and those in the control class. The experimental class saw a considerable enhancement, whereas the control class experienced a minor increase. Therefore, it can be deduced that the experimental class, which employed the Discovery Learning learning model, saw a more significant enhancement in self-efficacy in comparison to the control class that utilized the conventional learning model.
Rethinking mathematics learning resources: An interpretative phenomenological study of Indonesian mathematics teachers in digital learning contexts Iik Nurhikmayati; Krida Singgih Kuncoro; Firliani; Rika Mulyati Mustika Sari
Jurnal Elemen Vol 12 No 1 (2026): January
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jel.v12i1.33129

Abstract

The rapid expansion of digital technology requires mathematics teachers to integrate diverse learning resources effectively; however, existing studies have largely emphasized resource mapping rather than teachers lived experiences and meaning-making. This study addresses this gap by offering a phenomenological perspective on how teachers interpret learning resources in digital contexts. Using a qualitative interpretive paradigm and Interpretative Phenomenological Analysis (IPA), the study explores Indonesian mathematics teachers’ perceptions of resource utilization. Seventy-five teachers from ten cities participated, a sample size methodologically appropriate for IPA. Data were collected through semi-structured open-ended questionnaires and analyzed using IPA procedures. Findings indicate that although teachers increasingly access internet-based resources, textbooks remain the primary instructional reference due to their perceived curricular coherence. Worksheets are considered the most effective resource because they promote structured reasoning, contextual problem-solving, and explicit cognitive engagement, thereby supporting deeper conceptual understanding. These findings align with broader debates in Digital Pedagogy that emphasize pedagogical coherence over technology-driven instruction. Despite ample resources, utilization is constrained by limited digital pedagogical competence and recurring technical challenges. This study contributes by foregrounding teachers’ meaning-making and informing professional development and resource design.
Development of a Trigonometric Wheel to Improve Students' Mathematical Problem-Solving Ability Kartono Kartono; Iik Nurhikmayati
Jurnal Pendidikan Matematika Universitas Lampung Vol. 14 No. 2 (2026): Jurnal Pendidikan Matematika Universitas Lampung
Publisher : Faculty of Teacher Training and Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/mtk/v14i2.pp116-131

Abstract

This study aims to develop and evaluate the feasibility of the Trigonometric Wheel manipulative as an interactive learning medium to improve students’ mathematical problem-solving ability in trigonometry topics. This research employed the Research and Development (R&D) method using the ADDIE development model (Analysis, Design, Development, Implementation, and Evaluation), carried out through the Implementation stage. The research subjects consisted of 30 eleventh-grade students at a public senior high school in Majalengka Regency during the 2024/2025 academic year. The instruments used included expert validation sheets, teacher and student response questionnaires, and a mathematical problem-solving ability test based on Polya’s indicators. The results of media expert validation showed an average score of 76.5% (Valid), while material expert validation reached 85.97% (Highly Valid). Teacher and student responses also indicated highly practical categories, with percentages of 90.54% and 88.61%, respectively. As part of the implementation phase, an embedded pre-test and post-test assessment was conducted, revealing an improvement in students' mathematical problem-solving ability with an average N-Gain score of 0.79 (high category). These findings indicate that the Trigonometric Wheel is valid, practical, and shows strong potential as an innovative learning medium that helps students understand trigonometric concepts visually and interactively while enhancing their problem-solving ability.
Pendampingan Pembelajaran Literasi-Numerasi Siwa Berbasis Permainan Edukatif Nia Kania; Iik Nurhikmayati; Isma Nurhasanah; Aulia Nisa Trisna Ihsani; Khairunnisa Khairunnisa
Journal of Community Service (JCOS) Vol. 4 No. 2 (2026)
Publisher : EDUPEDIA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56855/jcos.v4i2.2423

Abstract

Rendahnya kemampuan literasi dan numerasi masih menjadi tantangan dalam pembelajaran di sekolah, terutama pada aspek pemahaman bacaan, penalaran, dan penyelesaian masalah kontekstual. Kegiatan pengabdian kepada masyarakat ini bertujuan meningkatkan kemampuan literasi dan numerasi siswa melalui pendampingan berbasis permainan edukatif di SMP Islam Asy Syafi'iyyah. Program dilaksanakan menggunakan pendekatan partisipatif dan kolaboratif yang melibatkan guru sebagai mitra dalam setiap tahapan kegiatan. Pelaksanaan program meliputi sosialisasi, pelatihan fasilitator dan guru pendamping, pelaksanaan pretest, implementasi permainan edukatif, pendampingan pembelajaran, posttest, serta evaluasi dan refleksi bersama. Media yang digunakan meliputi kartu literasi, kartu angka, board game, ular tangga literasi–numerasi, dan kuis kelompok yang dipadukan dengan lembar kerja peserta didik. Hasil kegiatan menunjukkan bahwa program berhasil meningkatkan rata-rata kemampuan literasi sebesar 28,8% dan numerasi sebesar 30,7%, melampaui target peningkatan yang ditetapkan. Hasil observasi juga menunjukkan bahwa 87% siswa terlibat aktif selama proses pembelajaran. Selain meningkatkan hasil belajar, kegiatan ini menghasilkan luaran berupa paket permainan edukatif beserta panduan implementasi yang diserahkan kepada sekolah mitra sebagai upaya menjamin keberlanjutan program. Dengan demikian, pendampingan berbasis permainan edukatif terbukti mampu menciptakan pembelajaran yang lebih aktif, menyenangkan, dan bermakna serta berkontribusi terhadap penguatan kemampuan literasi dan numerasi siswa.
Co-Authors Aep Sunendar Anggun Apriliani Aulia Nisa Trisna Ihsani Dea Fitriyani Dela Rohimatunnisa Elis Rosmawati Erik Santoso Erik Santoso firliani Heni Herawati Hilda Mahmudah iis nursilawati Isma Nurhasanah Kartono Kartono Khairunnisa Khairunnisa Krida Singgih Kuncoro M Gilar Jatisunda M. Gilar Jatisunda Mohamad Gilar Jatisunda Nia Kania Nunuy Ratnawulan Nur Hanipah Olansile Samad Olalekan Rika Mulyati Mustika Sari Rina Nurmaliah Sudianto Sudianto Syifa Ismayanti Vici Suciawati Yasir Yasir Yuliani Yuliani