Simple method to make multiplication of
any number with 12 simple
Steps
to be followed ;
1.
Firstly add zero in front of the number which is to be
multiplied by 12.
2.
Secondly double the right-hand number and carry it
down if number is two digit.
3.
Thirdly double the second digit from the right and add
the next digit in this addition and add the previous carry if it is. Make
another carry if number becomes two digits.
4.
Repeat above steps till the last digit of number will
be processed .
Eg.
Let 433 x 12
Step
1 0433
x 12
6 double the
right – hand digit and carry it down.
Step
2 0433 x 12
96 double the 3 and add 3
Step
3 0433 x 12
1196 double
the 4 and add 3 ( sum is two digit i.e. 11)write 1 here and 1 in next step
Last
Step 0433 x 12
5196 double the zero add 4 and carry 1 from step
3 operation and add to it.
Solution is 5196
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