Day: December 16, 2025

How to Practice Every Abacus Bead Movement in One Exercise

For this activity you will need to have completed all of the Skill Training program on RightLobeMath.com or know all the bead movements for any addition or subtraction. Basically you should be at least a beginning Level 10 abacus student to practice this exercise. In this exercise we are going to add the number 123,456,789