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The content of the textbook meets the requirements of the mathematics curriculum for the 4th 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 independent work of students in class and at home.

The material of the manual is presented in an interesting and accessible form, taking into account the psychological characteristics of fourth graders. For many lessons, online support is offered, which contains presentations on individual topics (tasks), interactive tests for knowledge control.

Intended for students of the 4th grade of secondary schools and primary school teachers.