How to use the Soroban?

VALUE OF BEADS

        Upper beads are also called HEAVEN BEADS. Heaven beads are worth 5 units.

        Lower beads are also called EARTH BEADS. Earth beads are worth 1 unit each.

        When beads touch the beam then they become valuable and you read them.

        If beads are away from the beam then you do not read them.

PLACE VALUE OF THE RODS


This is How 1 Digit Numbers Will Look on Abacus
Unit Place Rod: All single digit numbers go on unit rod.
Abacus Maths
This is how 2 Digit Numbers will look on Abacus
All 2 digit numbers go on tens and units rod.
Abacus Maths

Example:


1
12
82
05
- 71
28
Step 1: Set 
12 on appropriate rods		Step 2: 
Add 82 on top of 12 – 
abacus will look like		Step 3:
Add 5  – abacus will look like		Step 4: 
Subtract 71 – abacus will look like

Do these on your abacus and find the answers

12345
15
12
11
51		44
- 01
55
-71		74
- 12
25
- 15		73
-02
25
-86		97
-67
58
-66

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