Volume 18 (December 2025)

• Vol.18 Download(2.7MB)

• Special Issue
  THEORIES IN MATHEMATICS EDUCATION: BETWEEN CONSTITUTION AND APPLICATION

  
  Guest Editorial: Working with, within, and across Theories in Mathematics Education
  Marianna Bosch, Thorsten Scheiner, Heather Lynn Johnson, Kazuya Kageyama and Rodolfo Vergel
  Download PDF (747KB) Published: 24 December 2025
  

• Research Articles

  Students Are Experts in Their Mathematical Thinking: Positioning Principles for Task-Based Interviews
  Heather Lynn Johnson, Evan McClintock, and Robert Knurek
  Download PDF (765KB) Accepted: 5 October 2025 | Published: 05 December 2025
  

  Practical Mathematics and Theoretical Mathematics
  Sepideh Stewart
  Download PDF (911KB) Accepted: 7 October 2025 | Published: 08 December 2025
  

  Conceptual Fields and Conceptual Polysemy of Mathematical Objects with Applications to the Multiplicative Conceptual Field
  Ola Helenius and Linda Marie Ahl
  Download PDF (1,033KB) Accepted: 5 October 2025 | Published: 08 December 2025
  

  What Does Culture Have to Do with Knowledge? A Contribution to Solving the Riddle of the Ontological Constitution of Knowledge from a Sociocultural Perspective
  Luis Radford
  Download PDF (951KB) Accepted: 5 October 2025 | Published: 27 November 2025
  

  Praxeological Accounts of Researchers’ Theorising Work with Task Design Principles in a Japanese Project
  Yusuke Shinno and Takeshi Miyakawa
  Download PDF (882KB) Accepted: 5 October 2025 | Published: 20 November 2025
  

  Researcher Positioning in the Didactic Transposition Process: Epistemological Perspectives on Mathematical Knowledge about Quantities
  Marianna Bosch and Thorsten Scheiner
  Download PDF (771KB) Accepted: 5 October 2025 | Published: 28 November 2025
  

  Exploring the Directions of Theory Building in Mathematics Education
  Kazuya Kageyama and Mitsuru Matsushima
  Download PDF (819KB) Accepted: 6 October 2025 | Published: 08 December 2025
  

  Toward a Commognitive Complex Systems Perspective: Networking Knowledge in Pieces and Commognition
  Mariana Levin, Elahe Allahyari and Nicholas Witt
  Download PDF (1,035KB) Accepted: 7 October 2025 | Published: 24 December 2025
  

  Connecting Two Different Approaches to Inquiry: Study and Research Paths and Structured Problem-Solving Lessons
  Koji Otaki, Berta Barquero, Yukiko Asami-Johansson, and Tatsuya Mizoguchi
  Download PDF (1,202KB) Accepted: 25 October 2025 | Published: 21 November 2025
  

  What Makes a Contribution Theoretical and What Makes it Valuable in Mathematics Education Research? An Axiological Exploration
  Thorsten Scheiner
  Download PDF (800KB) Accepted: 5 October 2025 | Published: 20 November 2025