The basis of nice singing is correct intonation. It is important to develop intonation in Primary School since musical abilities form until the age of ten. For the purpose of improving the intonation of Primary school children it is essential to organize the process of intonation education properly, to compose an effective system of tasks for intonation training which could contribute good vocal skills. The purpose of this research is to estimate training intonation peculiarities of children. The subject of research is the intonation education of 3rd grade school children. Research hypothesis is formulated that if in educating process the exercises for improving musical hearing (intervals), practicing singing a cappela, canons and exercises are prepared properly and used, the quality of Primary school children intonation can be improved. Tasks of research are raised: 1) according to philosophic, psycological, pedagogical, literary analysis to reveal intonation conception and importance of intonation in misic development system; 2)to find out the reason of bad children`s intonation and the right specification of intonation; 3) to distinguish the peculiarities of Primary school children intonation development; 4) to form the system of exercises improving intonation training. In this research theoretical (classified system of literature), empirical (single alternative experiment, analysis of quality and quantity of received data and mathematical methods (percentage... [to full text]