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A1 سالم، طاهر سالم عبد الحميد AB The research aimed to find out the effectiveness of a proposed educational unit based on the integrative (STEM) approach for developing generative thinking skills and excellence in mathematics among pupils of the second cycle of basic education. To achieve the research objective, the researcher prepared a checklist of generative thinking skills in mathematics, a checklist of excellence skills in mathematics, the proposed educational unit based on the integrated (STEM) approach, the teacher’s guide, and the selection of the research sample, which was represented in: (32) male and female pupils at the second preparatory grade. The research tools included the generative thinking test in mathematics and the excellence scale in mathematics, which were applied to the research experimental group before and after the research experiment. The results revealed that: There is a statistically significant difference at the level of significance (0.01) between the mean scores of the experimental group pupils in the pre-post measurements of the generative thinking test in mathematics, in favor of the mean scores of the postmeasurement. There is a statistically significant difference at the level of significance (0.01) between the mean scores of the experimental group pupils in the pre-post measurements of Excellence Scale in mathematics, in favor of the mean scores of the post-measurement. There is a positive statistically significant correlation at the level of significance (0.01), between generative thinking in mathematics and excellence in mathematics among pupils of the second cycle of basic education. The proposed educational unit based on the integrated (STEM) approach is effective in developing generative thinking and excellence in mathematics for pupils of the second cycle of basic education. The research presented a number of recommendations and proposed research. (Published abstract) http://search.shamaa.org/abstract_en.gif OP ص ص. 96-164 إنما 100-169 T1 وحدة تعليمية مقترحة قائمة على مدخل (STEM) التكاملي لتنمية مهارات التفكير التوليدي والتميز في الرياضيات لدى تلاميذ الحلقة الثانية من التعليم الأساسي [مقال] UL https://armin.journals.ekb.eg/article_230992_100282468e242f7ee217a2de7182af0c.pdf النص الكامل (PDF) 1 http://search.shamaa.org/fulltext.gif