400+ entertaining math problems

The book is designed for children 7-11 years old and contains more than 400 non -standard mathematical tasks. Along with the various tasks that are constantly found in children"s mathematical olympiads, the book contains interesting non -standard tasks with a chessboard, puzzles, matches with matches and much more.
A variety of tasks in the book are arranged in terms of their complexity, and some topics are inserted by entire blocks. Most tasks have answers for convenience, many tasks require graphic
Solutions, not dry calculations. At the end of the book there are answers to the tasks with detailed explanations.
Suitable for classes in schools, mathematical circles, as a book for homework, as well as for independent classes