This study aims to identify the differentiated and effective effect on learning the javelin competition for middle school pupils, and the researcher used the experimental approach and the sample community included thirty pupils in the third grade middle school for the academic year 2016/2017 AD and the researcher used the differentiated style with the experimental group and the command style with the control group in addition To the survey sample and their number ten students, and in light of the research results, the researcher reached to apply the educational program using the differentiated method in learning the skill under discussion. He had more influence on the level of learning and the level of skill performance of the farms under research more than the traditional method followed, which indicates the effectiveness of the differentiated method in applying educationl programs