The aim of this experimental study is to determine the effect of the practice of the cooperation strategy with a new concept that is the Kids' Athletics and their contribution to the improvement of teaching conditions in lesson of Physical Education and Sports in primary school, and the improvement of sports performance among students of the primary school in the long jump(m), shot put(m) , sprint 50 m (s) and endurance racing 1000 m (s) .for the very best practices that promote a higher level

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... f participation among all students in physical education. This last is designed to give children the pleasure of playing athletics, to discover the sprinting, endurance running, jumping, throwing. Two groups of boys aged (age 9.75±0.35 years) are participated. The experimental and control group each one of them (n=20).The results and according to the research variables characterized by significant differences (*p≤0.05). , And this thanks to the use teacher the cooperative learning techniques in physical education will encourage a higher level of participation among many students in the activities of the kids' athletics that improve the physical performance of students and their relationships better than traditional teaching through command style (Mosston & Ashworth, 2002) .