Ментальная арифметика: учим математику при помощи абакуса. Сложение и вычитание до 100 Учим математику при помощи абакуса

Does your child not like math at all? He is ready to cry every time he is asked what is two and two?

Mental arithmetic will be your salvation. Once you master it, your son or daughter will be able to add and subtract five-digit numbers faster than a calculator!

But do not rush to hire a tutor and do not waste precious time and money on a special school. In this book you will find a complete course of lessons on this unique technique for the price of one lesson!

With the help of mental arithmetic, a child will be able to:

- quickly count in his head;

- better concentrate attention;

- train memory;

- develop imaginative thinking.

The main thing is to exercise regularly and with pleasure. Very soon, your little prodigy will surprise everyone!