Abstract
In this article the concept of integration and theoretical problems of implementation of intersubject communications are considered. The positive influence of the integrated training on the development of cognitive activity and interests of being trained of elementary classes are specified. The modern educational system is directed on the formation of well-educated, intellectually developed personality with complete representation of the world picture, with understanding of depth of communications of the phenomena and the processes representing this picture. In elementary classes pupils have formed the main positive relations to educational activity, and through the integrated lessons they have an increase of cognitive interests and cognitive motivation. It was characterized the development of emotional communication to lessons and formation of activization of educational-cognitive activity of pupils through carrying out of integrated lessons in elementary classes. DOI: 10.5901/mjss.2015.v6n6s1p84