Examples

Now, let’s learn how to multiply any two digit number with 11. It’s very easy. Let’s see this:

18 x 11 = 198

How do we do this?

We will break 18 in two parts. First part is 1 and second part is 8.
Take the first part and write that as the first digit of the answer: 1
Now, add 1 + 8 (part one + part two) and write the answer: 9
End the answer with writing the second part: 8
So, the answer is: 198

Let’s take: 16 x 11. The answer is: 1, 1+6=7, 6 = 176

What about, 25 x 11? The answer is: 2, 2+5=7, 5 = 275

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