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The textbook contains a significant number of tasks to consolidate and deepen primary school students' knowledge of time. The publication contains cards with 4 options. Completion of the proposed tasks will enhance the effectiveness of teaching mathematics, develop pupils' imagination and logical thinking. In addition, while working with the manual, you can learn about who made the first clock, when people started counting time, what the solar calendar is, and where the names of the days of the week come from. The publication also offers algorithms for work.

The tasks presented can be completed both during lessons and at home.

For students in grades 1-4, their parents and primary school teachers.