تطوير وحدة تدريسية قائمة على المهمات الأدائية وأثرها على البراعة الرياضية لدى طلبة الصف الخامس
The purpose of this study was to investigate the impact of developing an instructional unit based on performance tasks on the mathematical proficiency of fifth graders. The study sample consisted of two groups: the experimental group with 15 students, which was taught using the developed unit and the control group with 15 students which was taught using the traditional method. To achieve the objectives of the study, the researcher developed the unit of Geometry and Measurement to be based on the performance tasks and prepared mathematical proficiency test. The results have shown that there was statistically significant difference between the experimental and control groups in the mathematical proficiency test in favor of the experimental group. The study recommended developing other units using performance tasks. (Published abstract)