فاعلية برنامج تعليمي قائم على استراتيجيات الحساب الذهني في التحصيل لدى طالبات الصف الثاني المتوسط

الملخص EN

The present paper aims at recognizing the Effectiveness of using aneducational program based on the strategies of mental arithmetic for students' achievement with reference to second grade students in the secondary schools.

The sample includes 64 students distributed into two groups: experimental and control.

The experimental groups comprises 33 students, trained according to the assigned program, and the control group comprises 31 students taught traditionally.

An achievement test was prepared which was a multiple choice one with four options and included 30 points.

The test was confirmed in terms of psychometric features and using statistical means to extract the results.

The results showed that the experimental group was better than the control group when having the post-test.