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The proposed collection of mathematics problems for grades 1-4 proves that science can be not only useful but also interesting. Tasks with fairy-tale and game, cognitive and industrial plots, poetic tasks and jokes, economic and household exercises will help younger students learn new terms and concepts, master arithmetic operations and rules for recording them, find logical solutions to the proposed tasks, and at the same time contribute to the development of non-standard, creative, innovative thinking, and the education of an independent, confident, responsible personality.

The tasks proposed in the collection meet the requirements of the current «Programme for secondary school. 1–4 classes».

Designed for teachers, parents, children and anyone who wants to turn learning mathematics into a fun cognitive game.