SOME INFORMATION FROM HISTORY OF EMERGENCE OF NUMBERS IN TUVA PEOPLE AT THE STUDY OF THE THEME "SYSTEM OF CALCULATION"
In the article some periods from the history of the origin of a concept of number, the ways of naming and writing numbers in Tuva people are considered. The materials of the article can be used by primary school teachers, when familiarizing the children with the numeric systems in the educational and extracurricular cognitive activities. The work provides an introduction to the development, the ways of naming and recording numbers by different peoples, at different periods of their development in the process of organizing extracurricular cognitive activity. The Tuva people, like other peoples, in the extreme antiquity used specific sets instead of the set of natural numbers. They used a binary, fivefold, septenary, decimal, decimal, hexadecimal number system.