Introduction. The article discusses the problem of developing cross-functional skills in junior schoolchildren, which are indicators of a person’s social competence. Particular attention is paid to one of the key components of these skills — social creativity, understood as the ability to formulate non-standard ideas and find a way out of difficult situations based on unconventional approaches. Its role in overcoming such a negative aspect of interpersonal interactions in a children's team as aggressiveness is analyzed.

Materials and methods. The main research methods are the analysis of scientific literature on the development of cross-functional skills in children of primary school age and the role of creativity in this process, as well as empirical research methods that allow assessing the creativity of children and their aggressiveness. To study the level of creativity in children when evaluating the results, the “Varteg Circles” test was used, which was aimed at identifying fluency, flexibility, and originality of thinking. To assess aggressiveness, the technique “Drawing of a non-existent animal” by M.Z. Dukarevich was used, which allows identifying three levels of aggression: high, medium and low.

Results. Empirical data from a study of the context-dependent nature of aggressive behavior in children of primary school age and the characteristics of their creative thinking are analyzed. A significantly lower level of creativity (P ≤ 0.01) was revealed in children of primary school age with an increased level of aggressiveness.

Discussion. It is emphasized that social creativity is an important aspect of the development of cross-functional skills in children of primary school age. The results obtained showed that fluency, flexibility and originality of thinking are predictors of more successful resolution of interpersonal problems in children of primary school age, reducing such a negative aspect of communication as the child’s aggressive destructive behavior.

Conclusion. The conclusion is formulated that social creativity, as a key cross-functional skill of a child, causes a decrease in aggressiveness in children of primary school age. Specific mechanisms through which aggressiveness and the processes of creative thinking in children of primary school age are interconnected are shown.

The components of cross-functional skills in children of primary school age have been identified;

The social aspect of a child’s creativity has been studied from the point of view of the development of cross-functional skills in children of primary school age;

Interpersonal and intrapersonal components of social competence have been identified;

Theoretically and empirically identified the relationship between the creativity of children of primary school age and the level of their aggression.

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