Mathematics for primary school. Crosswords, keywords, ciphers

The assignments of the collection allow you to repeat the main topics in mathematics for the elementary school course. Each topic gives a set of interesting exercises and tasks in the form of crosswords, encryptions and other puzzles, which in an entertaining form allow the student to fix the knowledge gained in the lessons, train the necessary computational skills, work out arithmetic skills. And all this without boring memorization and repetition.
The manual is addressed to primary school students, elementary school teachers, organizers of extracurricular and extracurricular activities. The assignments included in this collection can be used both in the lessons and as homework, in organizing supporting and stimulating classes, mathematical olympiads, competitions and Victorin