Add the numbers: 1,002 + 9,330 + 2,105 = ? Calculate the natural numbers sum and learn how to do the addition, column adding method, from right to left

The numbers addition to perform:
1,002 + 9,330 + 2,105

Method used below: column adding, from right to left (traditional).


Stack the numbers on top of each other.

The ones digits line up in the first column from the right.

The tens digits line up in the next column to the left.

And so on...


  1002
  9330
+  2105

?

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

Add the digits in the ones column:

2 + 0 + 5 = 7

7 is the ones digit.
Write it down at the base of the ones column.


    
  1002
  9330
+  2105

     7

Add the digits in the tens column:

0 + 3 + 0 = 3

3 is the tens digit.
Write it down at the base of the tens column.


   
  1002
  9330
+  2105

    37

Add the digits in the hundreds column:

0 + 3 + 1 = 4

4 is the hundreds digit.
Write it down at the base of the hundreds column.


  
  1002
  9330
+  2105

   437

Add the digits in the thousands column:

1 + 9 + 2 = 12

How did we add the digits? Explanation below.

Group the ones together in order to make tens:


1 + 9 + 2 =


1 + 9 + 2 =


10 + 2 =


12


Change the order in which the numbers are added, the sum stays the same.


The sum is a two-digit number: 12.


2 is the thousands digit.
Write it down at the base of the thousands column.


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

  
  1002
  9330
+  2105

 12437

Answer:

1,002 + 9,330 + 2,105 = 12,437

How to add the numbers:
1,007 + 9,335 + 2,107 = ?

Addition Calculator: Add Numbers & Learn to Calculate the Sum

1. Stack the numbers on top of each other. 2. Add column by column starting from the column on the right.

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