The Integer Test of Primary Operations: A Practical and Validated Assessment of Middle School Students’ Calculations with Negative Numbers
Julie Nurnberger-Haag, Joseph Kratky, Aryn C. Karpinski
https://doi.org/10.29333/iejme/11471
International Electronic Journal of Mathematics Education, Volume 17, Issue 1, Article No: em0667

Analysis of Problems Posed by Pre-service Primary Teachers about Adding Fractions in terms of Semantic Structures
Tugrul Kar, Cemalettin Isik
https://doi.org/10.29333/iejme/286
International Electronic Journal of Mathematics Education, Volume 9, Issue 2, pp. 135-146