MULTIPLICATION BY 11-Through this article you will learn how to multiply by 11. You will greatly benefit from reading this article. Read the steps below to learn how to multiply by 11.
STEP 1 : The last digit of the multiplicand (number multiplied) is put down as the right-hand figure of the answer.
STEP 2 : Each successive digit of the multiplicand is added to its neighbour at the right.
Ex. Solve 5892 × 11 = ?
Soln :
Step 1 : Put down the last figure of 5892 as the right hand figure of the answer.
5892 × 11
2
Step 2 : Each successive figure of 5892 is added to its right-hand neighbour. 9 plus 2 is 11, put 1 below the line and carry over 1. 8 plus 9 plus 1 is 18, put 8 bellow the line and carry over 1. 5 plus 8 plus 1 is 14, put 4 bellow the line and carry over 1.
5892 × 11
12 (9+2=11, put 1 below the line and carry over 1)
5892 × 11
812 (8+9+1=18, put 8 bellow the line and carry over 1)
5892 × 11
4812 (5+8+1=14, Put 4 below the line and carry over 1)
Step 3 : The first figure of 5892, 5 plus 1, becomes the left-hand figure of the answer.
5892 × 11
64812
The answer is 64812.
● This rule is called as "add the right neighbour" rule.
SOLVE SOME PROBLEM
1) 12342 × 11
2) 7826269123 × 11
3) 8023456 × 11
Written by : Jayanta Kumar Meher (BSc, BEd)
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