Basic Soroban Abacus
Lesson 1: How to use Soroban Abacus
Lesson 2: Soroban Abacus
Lesson 3: How to teach soroban abacus
Lesson 4: Counting 10 to 1000
Lesson 5: Addition
Lesson 6: 5 Years and Below
Lesson 7: Soroban Mental Arithmetic
Lesson 8: Learn how to do + 8
Lesson 9: Learn how to do + 9
Lesson 10: How to start Mental Arithmetic
Lesson 11: Two Hand Method
Lesson 12: Learn number 15 to 20
Lesson 13: How to add + 4
Lesson 14: Adding Small Friends
Lesson 15: Substracting Small Friends
Lesson 16: Adding Big Friends
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Lesson 12: Learn number 15 to 20
Basic Soroban Abacus
Lesson 12: Learn number 15 to 20
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