CARRYING IN ADDITION
Most of you are familiar with the idea of carrying in addition. In actual practice, you mentally
carry a number into the next column. This example will show you why you carry.
Add the numbers:
The sum of the units column is
The sum of the tens column is
The sum of the hundreds column is
When you find the sum of the units column to be 26, you write the 6 in the units column, but
you have 2 tens also. So you must carry the 2 tens to the second, or tone, column.
The sum of the tens column is 1 hundred and 3 tens. So you write the 3 tens in the
and carry the 1 hundred to the
The sum of the hundreds column is 1 thousand and
hundreds. So you write the
in the hundreds column and carry the
thousands to the