1. Editorial

   • Susanne Prediger
   • David Wagner

   EditorialNotes 25 January 2024 Pages: 1 - 3

2. Anna Sierpińska, 1947–2023

   In Memoriam 26 January 2024 Pages: 5 - 7

3. Alan J. Bishop 1937–2023

   IN MEMORIAM 22 January 2024 Pages: 9 - 11

4. Extrema points: concept images, mis-in and mis-out examples

   • Pessia Tsamir
   • Regina Ovodenko
   • Dina Tirosh

   OriginalPaper 13 December 2023 Pages: 13 - 33

   

5. Children’s subtraction by addition strategy use and their subtraction-related conceptual knowledge

   • Stijn Van Der Auwera
   • Bert De Smedt
   • Lieven Verschaffel

   OriginalPaper 08 December 2023 Pages: 35 - 50

   

6. Stories of devoted university students: the mathematical experience as a form of ascesis

   • Francesco Beccuti
   • Paola Valero
   • Ornella Robutti

   OriginalPaper Open access 09 September 2023 Pages: 51 - 67

   

7. Students’ geometric understanding of partial derivatives and the locally linear approach

   • Vahid Borji
   • Rafael Martínez-Planell
   • María Trigueros

   OriginalPaper Open access 19 June 2023 Pages: 69 - 91

   

8. Definitional ambiguity in mathematics: three cases

   • Anna Marie Bergman
   • Andrew Kercher
   • Rina Zazkis

   OriginalPaper 05 June 2023 Pages: 93 - 110

   

9. Book Review: Historical influences, present problems, and futuristic solutions in African countries. Brantina Chirinda, Kakoma Luneta, and Alphonse Uworabayeho (Eds.). (2022). Mathematics education in Africa: the fourth industrial revolution

   • Jennifer T. H. Hylemon

   BookReview 14 July 2023 Pages: 111 - 123