Two digit number multiplied by 11

Have fun with the trick

You can multiply a two digit number by 11 mentally. it is very easy once you know the trick. Consider a problem:

72 x 11 = ??

To solve this problem, simply add the digits, 7 and 2 and put the answer in between these two digits.

7 + 2 = 9

72 x 11 = 792

Let’s try another one:

62 x 11 = ??

To solve this problem, simply add the digits, 6 and 2 and put the answer in between these two digits.

6 + 2 = 8

62 x 11 = 682

Little Variation:

49 x 11 = ??

4  13  9 = 539

In such a case, 3 of 13 goes in between 4 and 9 and 1 gets added to 4 to get 539 as the answer.

Time for you to try

23 x 11 =
68 x 11 =
21 x 11 =
88 x 11 =
23 x 11 =
45 x 11 =
31 x 11 =
67 x 11 =
43 x 11 =
98 x 11 =

Want to practice again?