MULTIPLY TWO DIGIT NUMBER BY 11

1. Take a two digit number,separate the two digits and write with 
2. the gap between them.
3. Add the separated  two digits together and write in the gap.
4. 
   
5. 
   

Examples: (1) 63 x 11 = 693.

                   

                     (2) 48 x 11 = 4 _ 8, but 4 + 8 = 12,

 so put 2 in the gap and add the 1 to the 4 to get 528