Add the numbers: 106 + 99 + 119 + 111 + 104 + 109 + 122 + 123 + 120 = ? Calculate the natural numbers sum and learn how to do the addition, column adding method, from right to left

The numbers addition to perform: 106 + 99 + 119 + 111 + 104 + 109 + 122 + 123 + 120

Stack the numbers on top of each other.

And so on...

 1 0 6 9 9 1 1 9 1 1 1 1 0 4 1 0 9 1 2 2 1 2 3 + 1 2 0 ?

Add column by column; start from the column on the right.

Add the digits in the ones column:

4 is the tens digit. Carry it over to the tens column. Write the digit above that column. Add it with the rest of the digits in that column.

 4 1 0 6 9 9 1 1 9 1 1 1 1 0 4 1 0 9 1 2 2 1 2 3 + 1 2 0 3

Add the digits in the tens column:

2 is the hundreds digit. Carry it over to the hundreds column. Write the digit above that column. Add it with the rest of the digits in that column.

 2 4 1 0 6 9 9 1 1 9 1 1 1 1 0 4 1 0 9 1 2 2 1 2 3 + 1 2 0 1 3

Add the digits in the hundreds column:

1 is the thousands digit. Write it down at the base, next to the hundreds digit.

 2 4 1 0 6 9 9 1 1 9 1 1 1 1 0 4 1 0 9 1 2 2 1 2 3 + 1 2 0 1 0 1 3