“The Degree of Difficulties in Learning Mathematics for the Fifth and Sixth Grades from the Teachers’ Point of View and Their Suggestions for Addressing Them”, jperc, vol. 17, no. 67, pp. 221–244, Mar. 2022, Accessed: May 05, 2025. [Online]. Available: https://jperc.uobaghdad.edu.iq/index.php/jperc/article/view/1104