Having a great experience in the field of mental arithmetic, I propose my skills - to help your children in difficulty in order to give them confidence and progress in mathematics. the concept is very simple, learn to count quickly using the abacus. Your child learns to perform simple operations but in well-defined conditions, whose ultimate goal is to train the brain to concentration and responsiveness. This offer is an opportunity and opportunity for children aged 4 to 10 years to learn a program that contributes fully to brain development by strengthening their skills in mental arithmetic. (We give distance or home lessons)