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The workbook is a simulator designed for independent work of third grade students. The main goal is to apply mathematical methods, to form and develop conscious, strong computational skills.

The workbook contains:

Algorithms for oral computing.
• A variety of exercises to practice knowledge. The notebook includes a set of stickers.

The manual is created in accordance with the requirements of the mathematics curriculum of the New Ukrainian School. It will be useful for students, their parents and primary school teachers. The workbook can be used at the stages of consolidation of knowledge, as well as for its diagnostics.