Written by June 24, 2025
Abacus Math Program – Lesson 3 – Simple Addition and Subtraction
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In abacus math lesson 3 we are ready to look at combining numbers by adding and subtracting numbers within a single rod on the abacus or soroban. If you are not sure about how to enter or remove any of the digits 1 through 9 on the abacus, please take a look at abacus math lesson 1 for counting