Addition in Columns
(Practice on this Simple Column Addition Worksheets)
Did you see how we split the 12 into 1 Ten and 2 Units?
We then sent the 1 Ten to the top of the Tens column, so we will remember to add it when we do the Tens.
And there is a nice clear space for the Tens answer below.
Here's another example (done a little faster):
Now practice on this Column Addition (with Carrying) Worksheets
Above or Below?
Your teacher may want you to put the "1" below like in this example.
Above or below does not really matter, you just need a good place to put the "1" so you don't forget it!
What About Bigger Numbers?
The same method works with numbers in the hundreds, thousands and so on.