Arithmetic. Textbook for 4th grade primary school. 1955

Soviet arithmetic textbooks taught children not only in the skills of an oral and written account, but also developed the ability to think logically. They also provided a stable base for further study of mathematics. This publication is an original text of the manual published in 1955 by the State Education and Pedagogical Publishing House of the Ministry of Education of the RSFSR.
The textbook contains information about the numbering and four actions over the multi -valued numbers, about the numbers, about square and cubic measures, as well as time measures, about the simplest fractions. Also here are special techniques of oral calculations and a table for an oral account. All the material is set out sequentially, with accompanying interesting tasks to consolidate the passed