The Abacus method is divided into two steps: + We first learn to count using the Abacus (abacus). We become familiar with the balls and the different operations they allow us to carry out. Through sessions with the abacus, mental arithmetic becomes faster and faster. It turns out to be a game and no longer a chore. + When calculation with the abacus is mastered, you can carry out operations without the abacus, only with your fingers and your head, in just a few seconds! This stage involves mental visualization and motor representation of numbers. The gestures necessary for handling the abacus actually help to better remember the numbers. In addition to quick and easy learning of mental arithmetic, the Abacus method has other advantages: • Photographic and auditory memory • Concentration and attention • Imagination and creativity • Logical and analytical thinking • Multitasking capabilities • Self-confidence and self-discipline