Volume 21, Issue 2, May 2026

(In Progress)

Research Article

Expanding a concept-specific measure of mathematical knowledge for teaching: Validation of the fractions instrument

Maryam Zolfaghari, Christine Kathryn Austin, Karl Wesley Kosko, Hanan Alyami

INT ELECT J MATH ED, Volume 21, Issue 2, May 2026, Article No: em0871

https://doi.org/10.29333/iejme/18096

Research Article

The effect of the error-based activities incorporating argumentation on errors in the external visual representations of pre-service teachers: An action research

Muhammet Doruk, Gül Mine Bayram Gün

INT ELECT J MATH ED, Volume 21, Issue 2, May 2026, Article No: em0872

https://doi.org/10.29333/iejme/18097

Research Article

Training mathematics teachers’ error behavior through ChatGPT-based error situations

Katja Lenz, Julia Sirock

INT ELECT J MATH ED, Volume 21, Issue 2, May 2026, Article No: em0873

https://doi.org/10.29333/iejme/18101