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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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Test your counting skill on the abax Look at these pictures and enter the number they represent in the fields next to them. When you are sure they are all right, press the "submit" button. Take your time, and think about what you are doing. You should get them all right.

fig. 1

 

enter your
answer for
fig 1.

check it!

 

 

enter your
answer for
fig 2.


check it!

 

 

 

 

enter your
answer for
fig 3.

check it!

 

 

 

enter your
answer for
fig 4.


check it!

 

 

 

enter your
answer for
fig 5.


check it!

 

 

 

enter your
answer for
fig 6.


check it!

 

 

 

enter your
answer for
fig 7.


check it!

 

 

 

enter your
answer for
fig 8.


check it!

 

 

enter your
answer for
fig 9.


check it!

 

 

enter your
answer for
fig 10.


check it!

fig. 2

fig. 3

fig.4

fig. 5

fig.6

fig. 7
fig. 8
fig. 9
fig. 10

To go on to the next lesson (addition) click here  

         or to return to the lesson on counting, click here

Would you like to learn this on your own Abax?
To order an abax and instruction booklets for more detailed speedmath lessons, click here.

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