The manual, corresponding to the Federal State Educational Standard, contains the basic rules for mathematics studied in elementary school, as well as in the 5th grade. The peculiarity of this book is that the presentation of the material is convenient and fast, like on a tablet. This is understandable to children who are used to using modern gadgets. Another innovation is that the material is more extensive, covering topics not only in elementary school, but also in the 5th grade. The book is clear and easy to use. Tables, charts, diagrams, memory cards, various selections, schematic images and illustrations make searching and remembering information quick and easy.

The material is divided into classes and arranged according to complexity. In each topic, the main characters of the book give clear answers to questions and give algorithms for solving problems that often cause difficulties for schoolchildren.

The manual will be useful for systematizing students' knowledge, additional study of complex topics, preparation for independent and control work , as well as to the final testing for the elementary school course. It is especially important for students who have difficulty in mastering and remembering large amounts of material.