1. Out of proportion or out of context? Comparing 8- to 9-year-olds’ proportional reasoning abilities across fair-sharing, mixtures, and probability contexts

   • Anne-Sophie Supply
   • Elien Vanluydt
   • Patrick Onghena

   OriginalPaper 13 March 2023 Pages: 371 - 388

   

2. On the origin, characteristics, and usefulness of instrumental and relational understanding

   • Rune Herheim

   OriginalPaper Open access 27 April 2023 Pages: 389 - 404

   

3. Student noticing of collaborative practices: exploring how college students notice during small group interactions in math

   • Tye G. Campbell
   • Sheunghyun Yeo

   OriginalPaper 14 February 2023 Pages: 405 - 423

   

4. Secondary mathematics teachers’ descriptions of student engagement

   • Amanda Jansen
   • Kelly Curtis
   • James A. Middleton

   OriginalPaper 10 April 2023 Pages: 425 - 442

5. A framework for analysing the relationships between peer interactions and learners’ mathematical identities: accounting for personal and social identities

   • Aarifah Gardee
   • Karin Brodie

   OriginalPaper 20 February 2023 Pages: 443 - 473

   

6. Concept maps as assessment for learning in university mathematics

   • Tanya Evans
   • Inae Jeong

   OriginalPaper Open access 01 March 2023 Pages: 475 - 498

   

7. The role of the partitioning and coset algorithm quotient group partial meanings in comprehending the First Isomorphism Theorem and its proof

   • Kathleen Melhuish
   • Lino Guajardo
   • Kristen Lew

   OriginalPaper 14 February 2023 Pages: 499 - 517

   

8. Deciphering the cognitive and non-cognitive competencies of Chinese students’ mathematics through a critical lens of PISA

   • Zhihui Chen
   • Frank Okai Larbi

   BookReview 08 February 2023 Pages: 519 - 528