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Each task in the collection is presented graphically and looks like a puzzle. Thus, completing these tasks turns into a game in which children learn to see general schemes and stages of solving different types of problems, develop logic and train their computational skills. This form eliminates the need to explain the material to children - they learn it intuitively. The author suggests that readers forget about maths and just solve the riddles. This helps children to dispel anxiety and fears about lessons and homework, to assert their competence and to improve their maths skills.

The publication will be useful for those who have not yet dealt with the problems and for those who have difficulties with maths. The problems are presented from simple to complex. There is a hint on the back of each problem page.