摘要:AbstractThe cooperation among first graders is not stable – the impulsive behaviour and the appearance of negative emotions often remain undetected by children which has a negative impact on the educational process in general.The aim of the research was to explore the peculiarities of children's interpersonal relations, to design and test the methodology of improving children's cooperation skills during sports lessons, which may foster the educational process efficiency in the first grade.The pedagogical experiment consisting in the methodological means of improving the emotional relations and developing a positive attitude towards learning in general, and Moreno's Sociometry have been used to measure the peculiarities of interpersonal relations in small groups.It has been proved that the methodological means used in sports classes allow children to develop cooperation with others.The majority of children have shown the changes in ways they cooperate: they have developed a positive attitude towards their classmates and the learning process; the number of socially excluded pupils has decreased.