Yuenjo Fan

Having learned abacus formulas, it's time to show off your skills in solving number problems. Let's start with 6 one-digit numbers and go all the way to 10 one-digit numbers. Also," How to Abacus Exercise" has more exercise books waiting for you to practice: 2 digits 34, 2 digits 567, 2 digits 810, 3 digits 36 and 3 digits 810. Check them all out.

Three groups of Friends come to help you learn abacus. Here is the Little Fiends team containing 1, 2, 3, 4. Follow the formulas and practice the exercises, you'll be a pro of abacus in no time. Don't forget Big Friends and Mixed Friends. Also How to Abacus Exercise has a series of exercises for you to sharpen your abacus and mental math skills. Be sure to check them all.

Three groups of Friends come to help you learn abacus. Here is the Mixed Fiends team containing 6, 7, 8, and 9. Follow the formulas and practice the exercises, you'll be a pro of abacus in no time. Don't forget Big Friends and Little Friends. How to Abacus Exercise has a series of exercises for you to sharpen your abacus and mental math skills. Be sure to check them all.

Three groups of friends come to help you learn abacus. Here is the Big Friends team containing 1, 2, 3, 4, 6, 7, 8, and 9. Follow the formulas and practice the exercises. You'll be a pro of abacus in no time. Also, don't forget Little Friends and Mixed Friends. How to Abacus Exercise has a series of exercise books for you to sharpen your abacus and mental skills. Be sure to check them all.