Mathematics Trainer. Exercises on Addition, Subtraction Grade 1
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The aim of this workbook is to teach the student to calculate quickly and, first and foremost, correctly. The tasks are arranged with increasing difficulty. Training should be conducted without overloads, no more than 5 minutes per column, and where there are two operations in the expressions — about 10 minutes. After completing all the exercises in the column, one can assess their achievements.
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