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The textbook is compiled in accordance with the current mathematics curriculum for primary schools and is aligned with the content of mathematics textbooks for grade 2.

Depth and informal knowledge related to quantities, units of measurement and relationships between them can be obtained by students only if they combine theoretical information with practical tasks of applied orientation related to the present. The proposed manual contains exactly such tasks, designed for students' independent work to identify and eliminate gaps in their knowledge. There are two variants of independent work. Each activity is designed to take 7-10 minutes to complete. The speed and correctness of the tasks are assessed.