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Abacus lessons:
Introducing the Abacus

The Abax:
Introducing the Abax
Counting on the Abax:
Lesson 1
Lesson 2
Test Yourself
Addition on the Abax:
Lesson 1
lesson2
Lesson 3
Subtraction on the Abax:
Lesson 1
Lesson 2
Lesson 3

Get an Abax

 

Related Lessons
Regrouping and Carrying

Tens Complements

Commutative Law of Addition

Order of columns in Subtraction


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Math Mojo is part of Magic and Learning - a company that uses methods of magicians to teach thinking skills.