Research Summary The impact of using a differentiated teaching strategy on learning Some basic skills in judo sport Dr / Samar Nabil Sebaay . The aim of the research was to identify the effect of using the differentiated teaching strategy (mutual learning method, kinetic skills method, cooperative learning method) to learn some basic skills in judo sport, (40) students in the fourth division (specialization Godo) Faculty of Physical Education Zagazig University were divided into two groups, one experimental and the other 20 female officers each, and the research tools: physical test - the IQ test - the assessment of the level of performance skills Essential in judo - using the tutorial teaching Differentiated strategy. The most important results are: 1 - Effectiveness of using the differentiated teaching strategy (mutual learning method - the method of kinetic duties - cooperative learning method) in learning some basic skills in judo sport (throwing side separation - the big foreign wheel - back back throw). 2 - Effectiveness of the use of learning method commands (traditional method) in learning some of the basic skills in judo sport under study. 3 - Differentiated teaching strategy is more effective than the learning method by commands in learning some basic skills in judo sport (under study)