This is an automatically translated description

The textbook is based on the Model Educational Programme developed under the guidance of O. Savchenko. The textbook contains elementary theoretical information; visual aids in the form of memos, diagrams, and samples of reasoning; systems of tasks for updating basic knowledge, creating a problem situation and solving it, primary consolidation, formation of skills, and continuous repetition. The author's methodological system, implemented in the textbook, is aimed at developing students' skills in counting and arithmetic calculations, the ability to work with mathematical problems, geometric and logical tasks.

The textbook is accompanied by online support on the website interactive.ranok.com.ua: test tasks, training presentations, videos to illustrate the plot tasks.

The textbook is intended for 3rd grade students of general secondary education institutions, primary school teachers.