Download or read book How to Abacus Exercise - 1 Digit written by Sheena Chin and published by . This book was released on 2019-10-02 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.