Free Math shorctut to Multiply numbers with 11 from LazyMaths.com Try http://www.LazyMaths.com for hundreds of Speed Math shortcuts and Smart Math techniques.

1. Multiplying any Number with 11
Example
Step 1 – Insert zeros at the
56789 x 11 ends of the Number
0 5 6 7 8 9 0
A zero is added just to
remember
performing the same
operation on each
digit
© LazyMaths.com

2. Multiplying any Number with 11
Example Step 2 – To each digit, add the
56789 x 11 Neighbors
(Neighbor is a number on the right)
0 5 6 7 8 9 0
The last digit does
not have any As you add the
+ + + + + + neighbor, so neighbors, don’t
= = = = = = nothing is added to forget to add
it the carry overs
1 1 1 1
6
5 1
2 4
3 5
6 7 9
Final Answer
5 6 7 8 9 x 11 = 6 2 4 6 7 9
© LazyMaths.com