If you need to use pen and paper, then the column method is a good way to add. ... The process is the same as adding two numbers. Step 1 - Add the ones: 8 + 3 + 2 = 13.

Adding larger numbers in your head is not always easy. If you need to use pen and paper, then the column method is a good way to add. It involves writing one number beneath the other, so that the ...