- Laurent Theis, Marie-Pier Morin, Jeanette Tambone, Teresa Assude, Jeanne Koudogbo and Karine Millon-Faure: Functions of two auxiliary educational systems aiming to support students with difficulties during mathematical problem solving.

- Raquel Barrera-Curin, Caroline Bulf and Fabienne Venant : Didactic, Semantic and Metaphors: Analysis of Languages in Class of Geometry.
- Vincent Martin and Mathieu Thibault : Quebec perspectives on Seven Decades of Research on Teaching and Learning Probability.
- Raymond Duval and François Pluvinage : Standpoints on elementary algebra and its teaching.
- Lalina Coulange, Paula Verdugo : A Comparative Study of the Teaching of Algebra in France and in Chile.
- Stéphanie Bridoux, Nicolas Grenier-Boley, Christophe Hache and Aline Robert: Teaching Knowledge during Lectures in Mathematics. Analyses and Examples.
- Zoé Mesnil : Logic in high school syllabuses, a knowledge to be taught.
- Michèle Couderette : Teaching Algorithmic: A Problematic Introduction in the High School Curriculum.
- Asuman Oktac : Abstract Algebra Learning: Mental Structures, Definitions, Examples, Proofs and Structure Sense.
- Thomas Barrier, Anne-Cécile Mathe and Joris Mithalal : Initial teacher education in geometry at primary school.