![Add and Subtract Whole Numbers](/add_and_subtract_whole_numbers/images/add-and-subtract-whole-numbers-mini-logo.jpg)
- Add and Subtract Whole Numbers
- Home
- Single Digit Addition
- Addition of 3 or More Single Digit Nnumbers
- Addition of Two 2-digit Numbers Without Carry
- Adding 2-digit Numbers and Single Digit Numbers
- Addition of Two 2-digit Numbers With Carry
- Addition With Carry to the Hundreds Place
- Addition of 2-digit, 3-digit and 4-digit Numbers
- Subtracting a Number From a 2-digit Number
- Subtraction of Two 2-digit Numbers Without Borrowing
- Subtraction of Two 2-digit Numbers With Borrowing
- Subtraction with Multiple Regrouping Steps
- Subtraction and Regrouping With Zeros
- Fact Families for Addition and Subtraction
- Addition or Subtraction of Whole Numbers (Word problems)
- Increasing or Decreasing Pattern from a Table of Values
Addition of 3 or More Single Digit Numbers
Add the single digit numbers.
![Add Single Digit Number](/add_and_subtract_whole_numbers/images/2.1.jpg)
Solution
Adding three numbers involves two steps
Step 1:
We add the first two numbers; 6 + 3 = 9
![Add First Two Number](/add_and_subtract_whole_numbers/images/2.2.jpg)
Step 2:
Next we add the sum to third number; 9 + 4 = 13
We write down the result
![Sum To Third Number](/add_and_subtract_whole_numbers/images/2.3.jpg)
So
![Adding Three Number](/add_and_subtract_whole_numbers/images/2.4.jpg)
Add the numbers
![Sum To Third Number](/add_and_subtract_whole_numbers/images/2.5.jpg)
Solution
Step 1:
We add the three numbers by counting forward here. We start counting from the largest number 9 and the count forward 8 to get 17
![Add First Two Number](/add_and_subtract_whole_numbers/images/2.6.jpg)
Step 2:
and from 17, we further count forward 6 to get 23, which is the sum.
![Sum To Third Number](/add_and_subtract_whole_numbers/images/2.7.jpg)
So
![Sum To Third Number](/add_and_subtract_whole_numbers/images/2.8.jpg)
![Adding Three Number](/add_and_subtract_whole_numbers/images/2.9.jpg)
Advertisements