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|| MATH MAGIC ||

MULTIPLICATION - TRICK - 5

Dear Friend:

Do you know how to multiply 9 by just using your fingers?

Use your both hands facing towards you. Spread your fingers and count from left.

The left most finger that is the thumb of left hand is number 1, next finger is number 2, the next is number 3, number 4, 5, 6, ... and the right most finger that is the other thumb, the thumb of right hand is number 10.

See the picture below.

Left Hand Right Hand

Now if you want to multiply 9 x 1, bend your first finger that is the thumb of your left hand.

Now count the fingers left to the bent finger. There are none.

Place 0 in left column.

Now count the remaining straight fingers right to the bent finger. They are 9.

Place 9 in right column.

The answer is 09. 9 x 1 = 09.

See the picture below.

Left Hand Right Hand
0 9

Now multiply 9 x 2.

Bend your second finger.

Count the fingers left to the bent finger. It is 1.

Place 1 in left column.

Count the fingers right to the bent finger. They are 8.

Place 8 in the right column.

The answer is: 9 x 2 = 18.

See the picture below.

Left Hand Right Hand
1 8

Multiply 9 x 3.

Left Hand Right Hand
2 7

The answer is: 9 x 3 = 27.

Multiply 9 x 4.

Left Hand Right Hand
3 6

The answer is: 9 x 4 = 36.

Multiply 9 x 7.

Left Hand Right Hand
6 3

The answer is: 9 x 7 = 63.

Multiply 9 x 10.

Left Hand Right Hand
9 0

The answer is: 9 x 10 = 90.

 

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