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The textbook was created in accordance with the State Standard of Primary Education and the Model Educational Programme developed under the guidance of O. Savchenko. The workbook is a part of the educational and methodological kit «Mathematics. 3rd grade».

The manual presents a system of tasks for improving the computational skills and abilities of students to solve the main types of software problems. The pages of the workbook contain QR codes that allow you to quickly access additional material in the form of presentations and the geometric game Tangram.

It is intended for pupils of the 3rd grade of general secondary education institutions.