The article is devoted to the formation of linguocultural identity among indigenous children in a multilingual context that is of particular relevance in connection with the linguistic and cultural problems of minority peoples of the North. The aim of this work is to reveal the contents of textbooks on the subjects "Culture of indigenous peoples of the North" and "Technology" for children of primary school age as a component of the basic educational program, forming ethnic, regional, civic linguocultural identity. These tutorials are aimed at preserving native language and culture of the Northern peoples. The article considers different approaches of foreign researchers to the concepts of forms of identity that are appropriate to the age peculiarities. Research findings are important and confirmed by the results of scientific research in the field of ethno-cultural, language and multicultural education of indigenous minorities of the North, held at the Institute of National Schools of the Sakha Republic (Yakutia).