This is an automatically translated description

The content of the textbook meets the requirements of the mathematics curriculum for the 3rd grade of secondary schools (with the changes approved by the order of the Ministry of Education and Science of Ukraine of 05.08.2016 № 948) and organically combines the functions of a textbook and a notebook with a printed basis.

The publication consists of three parts, each of which contains the texts of the rules, sample reasoning, tasks for updating basic knowledge, creating a problem situation and solving it, primary consolidation, formation of skills and abilities, and continuous repetition. Each part contains an appendix "Working independently" for students to work independently in class and at home.

The textbook offers tasks of a propaedeutic nature (marked "For those who want to know more"), which will contribute to the successful mastering of the relevant material in the course of further study. The material of the textbook is presented in an interesting and accessible form, taking into account the psychological characteristics of third-graders.

Intended for 3rd grade students of secondary schools and primary school teachers.