Vol 9, No 2 (2026)

Article in Press

Indomath: Indonesia Mathematics Education, Volume 9, Number 2, August 2026, has been available online since 20 August 2026. All articles in this issue (7 research articles) have 21 authors from 5 countries (Indonesia, South Africa, United Arab Emirates, Ghana, and the Philippines)

Table of Contents

Articles

Impact of Guided Discovery Learning and Problem-Based Learning on Students’ Achievement and Locus of Control
Lazuardi Nugroho, Mathilda Susanti, Fariz Budi Arafat
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117-132
Learners’ Perceptions of Marking Practices in Informal Mathematics Assessment: Evidence from Secondary Schools
Eric Machisi, Mpho Gift Manamela
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133-156
Junior High School Students' Conceptual Understanding of Flat-Sided Geometric Shapes through APOS Theory: A Qualitative Study
Muh. Khaedir Lutfi, Endang Cahya Mulyaning A, Fitri Anisa Kusumastuti
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157-172
Enhancing Mathematical Pedagogy with TPACK-AI: A Study On Prospective Mathematics Teachers
Siti Suprihatiningsih, E Erwin, Muhammad Firman Annur, Gusti Uripno, Margareta Rista, Ebenezer Bonyah
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173-186
Readability Open-Ended Problems: Effects on the Learners’ Achievement Level of the Grade 7 Learners on Sets
Aimee Cadeliña Sumalpong, Douglas A Salazar, Jocelyn Amen Sumalpong
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187-202
Diagnostic Analysis of Grade 11 Learners’ Errors in Trigonometric Function Graphs: A Mixed-Methods Investigation.
Ronke Anifat Adebayo, Hanlie Botha
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Effects of Problem-Based Learning with Educational Games on Mathematical Problem-Solving Across Mathematical Anxiety Levels
Kurnia Amalia, Samsul Maarif