Al- Omari, M.A. et al. 2022. Practicing degree of problem- solving skills and their relationship to the academic achievement of fourth- grade students in the schools of the Syrian city of Hama. Journal of Educational and Psychological Sciences. 6, 12 (Mar. 2022), 23–44. DOI:https://doi.org/10.26389/AJSRP.I190821.