Infinity Journal Volume 15 Issue 1 (February 2026) has been available online since January 3, 2026, for the regular issue of February 2026. All articles in this issue (14 research articles) cover 51 authors from 6 countries of origin (Indonesia, Japan, Malaysia, Mexico, Republic of Korea, and South Africa).
DOI: https://doi.org/10.22460/infinity.v15i1
Published: 2026-02-01
Articles
Assessment of mathematical modeling competency among undergraduates in Hebei province
DOI: 
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1-18 Pages
Shuxian Zheng,
Department of Science and Mathematics Education, Universiti Malaya,
Malaysia
Kwan Eu Leong,
Department of Science and Mathematics Education, Universiti Malaya,
Malaysia
Fostering students’ computational thinking: Student worksheets on integer material
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19-36 Pages
Hapizah Hapizah,
Department of Mathematics Education, Universitas Sriwijaya,
Indonesia
Budi Mulyono,
Department of Mathematics Education, Universitas Sriwijaya,
Indonesia
Dian Cahyawati,
Department of Mathematics, Universitas Sriwijaya,
Indonesia
Mapping errors in solving linear equations: A hermeneutic phenomenological study
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37-58 Pages
Amelia Defrianti Putri,
Department of Mathematics Education, Universitas Pendidikan Indonesia,
Indonesia
Takuya Baba,
Graduate School of Humanities and Social Sciences, Hiroshima University,
Japan
Dadang Juandi,
Department of Mathematics Education, Universitas Pendidikan Indonesia,
Indonesia
Turmudi Turmudi,
Department of Mathematics Education, Universitas Pendidikan Indonesia,
Indonesia
Al Jupri,
Department of Mathematics Education, Universitas Pendidikan Indonesia,
Indonesia
Development of multiliteracy assessment with the STEAM approach to enhance 4C skills in geometry learning
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59-88 Pages
Edy Setiyo Utomo,
Department of Mathematics Education, Universitas PGRI Jombang,
Indonesia
Chalimah Chalimah,
Department of English Education, Universitas PGRI Jombang,
Indonesia
Ahmad Farhan,
Department of Information Systems, Universitas Pesantren Tinggi Darul Ulum Jombang,
Indonesia
Empowering future mathematics educators: Designing e-IBCA learning model to enhance decision-making skills
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89-114 Pages
Wasilatul Murtafiah,
Department of Mathematics Education, Universitas PGRI Madiun,
Indonesia
Marheny Lukitasari,
Department of Master of Elementary Education, Universitas PGRI Madiun,
Indonesia
Nurcholif Diah Sri Lestari,
Department of Mathematics Education, Universitas Jember,
Indonesia
The dynamics of behavioral pattern in collaborative problem-solving among Indonesian preservice mathematics teachers
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115-132 Pages
Rooselyna Ekawati,
Department of Mathematics Education, Universitas Negeri Surabaya,
Indonesia
Linda Devi Fitriana,
Department of Mathematics Education, Universitas Negeri Jakarta,
Indonesia
Rully Charitas Indra Prahmana,
Department of Mathematics Education, Universitas Ahmad Dahlan,
Indonesia
Muhamad Arif Mahdiannur,
Department of Science Education, Universitas Negeri Surabaya,
Indonesia
Khoirun Nisa,
SMA Muhammadiyah 1 Taman, Sidoarjo,
Indonesia
Mukhtamilatus Sa’diyah,
Department of Mathematics Education, Universitas Negeri Surabaya,
Indonesia
Aru ethnomathematics: Exploration of mathematical concepts in Daret Damar Jan game and its integration in mathematics learning in elementary school
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133-158 Pages
Susana Labuem,
Department of Mathematics Education, Universitas Pattimura,
Indonesia
Cholis Sa'dijah,
Department of Mathematics, Universitas Negeri Malang,
Indonesia
I Nengah Parta,
Department of Mathematics, Universitas Negeri Malang,
Indonesia
I Made Sulandra,
Department of Mathematics, Universitas Negeri Malang,
Indonesia
Teaching “bridging-through-10” as a mental calculation strategy to improve grade 4 learners’ number sense: Insights of cognitive neuroscience
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159-176 Pages
Roselle Hansen,
Department of Mathematics, Natural Science and Technology Education, University of the Free State,
South Africa
Msebenzi Rabaza,
Department of Mathematics, Natural Science and Technology Education, University of the Free State,
South Africa
Local instructional theory STEM: Integrating the context of football into parabola learning to support prospective teachers’ flexibility
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177-200 Pages
Tika Dwi Nopriyanti,
Department of Mathematics Education, Universitas Sriwijaya,
Indonesia
Zulkardi Zulkardi,
Department of Mathematics Education, Universitas Sriwijaya,
Indonesia
Ratu Ilma Indra Putri,
Department of Mathematics Education, Universitas Sriwijaya,
Indonesia
Nyimas Aisyah,
Department of Mathematics Education, Universitas Sriwijaya,
Indonesia
The use of modulo in wedding party: An ethnomathematical study in Kampung Kuta
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201-220 Pages
Uba Umbara,
Department of Mathematics Education, Universitas Muhammadiyah Kuningan,
Indonesia
Evan Farhan Wahyu Puadi,
Department of Mathematics Education, Universitas Muhammadiyah Kuningan,
Indonesia
Tio Heriyana,
Department of Mathematics Education, Universitas Muhammadiyah Kuningan,
Indonesia
Hy MAI: An ethno-STEM-based interactive website to improve high school students’ reasoning skills
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221-240 Pages
Ira Asyura,
Department of Mathematics Education, STKIP Syekh Manshur,
Indonesia
Aan Subhan Pamungkas,
Department of Mathematics Education, Universitas Sultan Ageng Tirtayasa,
Indonesia
Linda Linda,
Department of Mathematics Education, STKIP Syekh Manshur,
Indonesia
Badri Munawar,
Department of Early Childhood Education, STKIP Syekh Manshur,
Indonesia
Ade Iswara,
MTsN 4 Pesisir Selatan,
Indonesia
Alternative conceptions of university students regarding the concept of the definite integral
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241-264 Pages
Linda Poleth Montiel-Buritica,
Facultad de Matemáticas, Universidad Autónoma de Guerrero,
Mexico
Gerardo Salgado-Beltrán,
Facultad de Matemáticas, Universidad Autónoma de Guerrero,
Mexico
Gustavo Martínez-Sierra,
Facultad de Matemáticas, Universidad Autónoma de Guerrero,
Mexico
Designing and evaluating SIMaV: A conceptual macro-visualization system to enhance students' mathematical abstraction ability
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265-290 Pages
Linda Linda,
Department of Mathematics Education, Institut Keguruan dan Ilmu Pendidikan Siliwangi,
Indonesia
Wahyu Hidayat,
Department of Mathematics Education, Institut Keguruan dan Ilmu Pendidikan Siliwangi,
Indonesia
Profiling numeracy literacy among ninth-grade students: Empirical evidence from junior secondary education
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291-318 Pages
Andes Safarandes Asmara,
Department of Elementary School Teacher Education, Universitas Buana Perjuangan Karawang,
Indonesia
Yusfita Yusuf,
Department of Mathematics Education, Universitas Sebelas April,
Indonesia
Anggy Giri Prawiyogi,
Department of Elementary School Teacher Education, Universitas Buana Perjuangan Karawang,
Indonesia
Candra Zonyfar,
Department of Computer Science and Engineering, Sun Moon University,
Korea, Republic of
Muhammad Akmal Alhamssyah,
Department of Elementary School Teacher Education, Universitas Buana Perjuangan Karawang,
Indonesia
Muhammad Naufal Alfarid,
Department of Elementary School Teacher Education, Universitas Buana Perjuangan Karawang,
Indonesia