Subtraction is an operation that tells 
the difference between two numbers, 
  or how many are left when some are taken away.

6   -     5      =        1

1 is the difference because it is
the answer to a subtraction problem.

There are 3 ways to use Subtraction:

1.) To find out how many are left.

                                                4   -     2      =        2

                -     =    

  If you had  badges and gave away, 
you would have left.      

2.) To compare two numbers. Find the difference.

                                5      
                   -4      
                  ___    ___________
               1    

Imagine your soccer team scores goals 
and the other team scores . 
Your team would have scored more goal !

3.) To find the missing part.

               6 
              -2 
             ___  ____________________
               4  

If you looked out your window and saw    butterflies,
then a few minutes later you looked again and saw ,
that means that  of the butterflies just got there. 

Remember:  The three ways to use subtraction are: 1. Find out how many are left. 2. To compare two numbers (find the difference) 3. To find the missing part