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A1 الخطيب، محمد أحمد. AB The study aimed to investigate the effect of an educational program based on mathematical power in the development of algebraic thinking and solving algebraic problems among second intermediate grade Students in Al-Madinah Al-Munawara. The study sample consisted of 75 students who were randomly divided into two groups: an experimental group, that used an educational program based on mathematical power, and a control one that employed a traditional method. For the purposes of the study, the researcher developed a test for algebraic thinking consisting of 18 paragraphs to measure the following skills: understanding the patterns and relationships, the use of algebraic symbols, and use of multi-representation. Another test was also developed for solving algebraic problems consisting of 16 paragraphs to measure all the skills of understanding and analysis; developing a plan and its implementation, reviewing the solution; and solving algebraic problems. Validity and reliability of the tools were verified. Findings revealed that students’ performance in the experimental group exceeded its counterpart on all skills relevant to algebraic thinking, and solving algebraic problems.(Published Abstract) http://search.shamaa.org/abstract_en.gif ID 126690 OP ص ص. 407-438 T1 أثر برنامج تعليمي قائم على القوة الرياضية في تنمية التفكير الجبري وحل المشكلات الجبرية لدى طلاب الصف الثاني المتوسط في المدينة المنورة [مقال] UL 1 http://search.shamaa.org/fulltext.gif http://search.shamaa.org/PDF/Articles/BAJepsc/41JepscVol18No2Y2017/jepsc_2017_v18-n2_407-438.pdf النص الكامل (PDF)