Professor of Mathematics Education · Muş Alparslan University, Faculty of Education (Türkiye) Dyscalculia · math anxiety · educational neuroscience · early numeracy · learning trajectories
- 🌐 Academic profile: https://hercocukmatematikogrenebilir.com/yilmaz-mutlu/
- 🆔 ORCID: https://orcid.org/0000-0002-4265-856X
- 🎓 Google Scholar: https://scholar.google.com/citations?user=8UPKKJUAAAAJ
- 🏛️ Founding president, Diskalkuli Derneği (Turkish Dyscalculia Association): https://diskalkulidernegi.org
- 🎤 Chair, International Congress on Math Learning Difficulties (IC-MLD): https://icmld.com
| Tool | What it is | Repo |
|---|---|---|
| NuMap — https://getnumap.com | Numeracy mapping & dyscalculia risk screening platform (A1–A12 subtests, learning-trajectory reports, ADIM/BÖP intervention-plan wizard) | private |
| GalakSay — https://galaksay.com | Space-themed, learning-trajectory-based math intervention game for ages 5–10 (TR/KU) | GalakSay |
| DokunSay — https://dokunsay.com | Family of tactile/manipulative math teaching tools: number rods, place value, clock, fractions, integers, geometry, data (TR/KU/EN/AR/FA) | dokunsay-platform |
| SayKent — https://hercocukmatematikogrenebilir.com/saykent/ | Town-building math game: 20 learning trajectories, 224 levels (TR/EN/KU) | saykent |
| ABMATO — https://abmato.com | Family-based home math support for preschool & primary | abmat |
| İyilik Ormanı / Kindness Forest | Values education + early numeracy (TR/EN/KU) | hcmo-portal |
| FerMat / LÛTKE | Mathematics and language learning in Kurdish (Kurmancî) | fermat, lutke |
Design principles: dyscalculia-friendly (no penalties, no time pressure, no comparison), CRA (concrete–representational–abstract) ladder, Clements & Sarama learning trajectories, item-level diagnostic logging, multilingual access (Turkish, Kurdish, English).
- Mutlu, Y. (2019). Math anxiety in students with and without math learning difficulties. International Electronic Journal of Elementary Education, 11(5), 471–475. https://doi.org/10.26822/iejee.2019553343
- Mutlu, Y., & Akgün, L. (2017). Matematik öğrenme güçlüğünü tanılamada yeni bir model önerisi: Çoklu süzgeç modeli. İlköğretim Online, 16(3), 1153–1173.
- Mutlu, Y., Çalışkan, E. F., & Yasul, A. F. (2022). We asked teachers: Do you know what dyscalculia is? International Online Journal of Primary Education, 11(2), 361–378. https://doi.org/10.55020/iojpe.1067560
- Mutlu, Y., & Polat, K. (2024). Bibliometric and content analyses of dyscalculia research. Acta Didactica Napocensia, 17(1), 44–64. https://doi.org/10.24193/adn.17.1.4
- Mutlu, Y., & Olkun, S. (2025). Beyin, bellek ve sayılar: Diskalkuliye çok boyutlu bir yaklaşım. Yaşadıkça Eğitim, 39, 841–858. https://doi.org/10.33308/26674874.2025393958