Multiplying 2 & 3 digit numbers with 1 digit numbers

This is a trick that I didn't know before now and I am amazed! It's just made multiplication a lot easier for me. So take the following problem:

If I were to do this in my head, I would add 110 + 110 + 110. But there's a different way to do it!

Take each column individually. First, times the far right column.

Then, times the middle column:

Finally, the third column. So, 1 x 3:

Ta da!

Can't believe I never knew this!