Addition

Addition is ...

... bringing two or more numbers (or things) together to make a new total.

Here 1 ball is added
to 1 ball
to make 2 balls:
 
Using Numbers it is:      1 + 1 = 2
     
And in words it is:   "One plus one equals two"

 

Example: If you add 2 and 3 you get 5. You would write it like this:

2 + 3 = 5

Try It

Write this down, with the answer, using numbers:

4+3=?

You should get:   4 + 3 = 7  

Have a Play

Drag the numbers to the two blue boxes see how addition works:

View Larger

Swapping Places

Swapping the position of the numbers you are adding still gets the same result!

3 + 2 = 5 3+2=5
... also ...  
2 + 3 = 5 2+3=5

More Examples:

5 + 1 = 1 + 5 = 6

7 + 11 = 11 + 7 = 18

4 + 100 = 100 + 4 = 104

Practice

You get better at addition with practice, so we have:

Math Trainer - Addition (train your memory)

Kindergarten Worksheets (easy addition)

Addition Worksheets (normal and advanced)

Tips and Tricks

Learn more on our Addition Tips and Tricks page

Addition Table

You can also "look up" answers for simple addition using the Addition Table (but it is really best to learn to remember the answers).

Example: Find 3 + 5

  • find the row starting with "3"
  • move along to be under the column "5"
  • and there is the number "8", so 3 + 5 = 8
+ 1 2 3 4 5 6 7
1 2 3 4 5 6 7 8
2 3 4 5 6 7 8 9
3 4 5 6 7 8 9 10
4 5 6 7 8 9 10 11

Larger Numbers: Addition in Columns

To add larger numbers, you can use Column Addition : Column Addition

Names

Other names for Addition are Sum, Plus, Increase, Total

  And the numbers to be added together are called the "Addends":

 

 
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