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Subtraction on Finger Abacus | Abacus - Class 1 PDF Download

How to subtract single-digit numbers?

Let’s try to subtract 8 - 3
Subtraction on Finger Abacus | Abacus - Class 1

⇒ Represent 8 on your right hand with the thumb and 3 fingers.
⇒ Next, close 3 fingers to minus three.
⇒ The answer is 5.

How to subtract double-digit numbers?

Let’s try to 89 - 43
Subtraction on Finger Abacus | Abacus - Class 1

⇒ Begin by representing 89: open the thumb on your left hand and 3 fingers (80) on your right hand, and the thumb and 4 fingers on your right hand (9)
⇒ Next, subtract 43. Close the thumb and take out the pinky on the left hand as shown in the above picture. And, close 3 fingers on your right hand.
⇒ Now count the remaining fingers. It’s 40 on your left hand and 6 on your right hand.
⇒ The answer is 46.

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