درجة ممارسة إستراتيجية تنال القمرPOSSE وأثرها في تحسين مهارات حل المسائل الرياضية اللفظية لدى طلبة الصف الثالث الأساسي في فلسطين الباحث أحمد صلاح محمد العباسي

Abstract: This study aimed to investigate the degree of practicing the POSSE strategy and its effect on improving verbal mathematical problem-solving skills among third-grade basic students in Palestine. To achieve the study objectives, the researcher used a quasi-experimental design. Al-Amal Elementary Boys' School in Khan Younis Governorate was purposively selected. The study sample consisted of (76) students distributed into two classes; one was randomly assigned as the experimental group, which was taught using the POSSE strategy and consisted of (38) students, while the other was the control group, which was taught using the traditional method and consisted of (38) students, during the second semester of the academic year 2022/2023. To collect data, a verbal mathematical problem-solving test was administered pre- and post-intervention. The results of analyzing the study questions revealed that the degree of using the POSSE strategy was high and substantial, as the researcher implemented it to a high degree during the study. The results also showed statistically significant differences at the significance level (α = 0.05) between the mean scores of the experimental and control groups in the post-test in favor of the experimental group, statistically significant differences between the pre- and post-tests of the experimental group in favor of the post-test, and no statistically significant differences between the post-test and the follow-up test, indicating the strategy's effectiveness and the sustainability of its effect. ThSis positive effect is attributed to the high degree of strategy use, which relies on visual organization and structured steps for solving verbal problems, thereby consolidating mathematical knowledge in long-term memory. In light of the results, the study recommended employing the strategy in teaching mathematics at the basic stage and training teachers to implement it. Keywords: Tanal Al-Qamar Strategy، Verbal Mathematical Problem-Solving، Elementary Stage، Palestine.  

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