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A1 عبد الحميد، رشا هاشم AB The goal of the research is Identifying the Effectiveness of teaching geometry by using Visual Approach throw Geogobra program on developing the Prep stage pupils' Achievement, Spatial visualization and creative thinking, to achieve this goal the research used experimental approach with two groups, the study sample consisted of (86) girl students were chosen from the first Prep stage pupils at the Fardous prep school for girls at Mansoura, they were divided into two groups. The first is (11) and their number is (43) girl student and the second is (1 2) and their number is (43) girl student. The research was only on (Geometry And Measure) unit from the book of math of first stage of the prep for the second semester for the year of (2015 2016), the research used the test of geometry achievement, Spatial visualization and creative thinking as a tools of the study, the most important results of the study include that: the girl student of the trial group who studied by using Visual Approach throw Geogobra program outperform on the girl students of ordinary group who studied by using ordinary group who studied by the regular way in the test of geometry achievement, Spatial visualization and creative thinking, the unit was prepared according to Visual Approach throw Geogobra program is effective on developing geometry achievement, Spatial visualization and creative thinking. (Published abstract) http://search.shamaa.org/abstract_en.gif OP ص ص. 17-65 T1 فعالیة استخدام المدخل البصري من خلال برمجیة الجیوجبرا Geogobra في تدریس الهندسة في تنمیة التحصیل والتصور المكاني والتفكیر الإبداعي لدى طلاب الصف الأول الإعدادي [مقال] UL http://search.shamaa.org/PDF/Articles/EGAsep/AsepNo59P2Y2015/asep_2015_n59-p2_017-065.pdf النص الكامل (PDF) 1 http://search.shamaa.org/fulltext.gif