Numerical surprises. Adventures in the world of mathematics

The book of the famous Italian popularizer of mathematics for schoolchildren Anna Cherazoli was written in a narrative form, into which entertaining stories about mathematical concepts are miraculously woven.
The main characters are a curious little boy and his grandfather, ready to answer the questions of his grandson during the most common things - going to the store, making pizza or playing the sea battle. Why is it so difficult to win the lottery? At what speed do harmful microbes multiply? How to encrypt your most secret messages? And many more questions how? and why?. . .
Funny and simple stories about Phil and his grandfather not only awaken and support the child’s interest in mathematics, but also stimulate his cognitive activity, develop intelligence.
For schoolchildren of middle classes and reading to parents of primary school children. It will be useful to teachers of mathematics