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Basic Subtraction Lesson 5: Number 5

Here's an easy example:

6
-
5
=
1
 
            
-
          
=
  
 
   MediumAquamarine Box   Empty Box   Aquamarine Box   Goldenrod Box   CadetBlue Box   MediumBlue Box  minus     MediumAquamarine Box   Empty Box   Aquamarine Box   Goldenrod Box   CadetBlue Box  equals     MediumBlue Box

We start with six boxes, take away five boxes, and now have one box. We take away five boxes from our six boxes to get one box.


Here's another example:

11
-
5
=
6
 
                      
-
          
=
            
 
   DeepSkyBlue Box   Orchid Box   SlateBlue Box   LimeGreen Box   Cyan Box   Khaki Box   YellowGreen Box   Gold Box   Magenta Box   Aqua Box   GreenYellow Box  minus     DeepSkyBlue Box   Orchid Box   SlateBlue Box   LimeGreen Box   Cyan Box  equals     Khaki Box   YellowGreen Box   Gold Box   Magenta Box   Aqua Box   GreenYellow Box

We start with eleven boxes, take away five boxes, and now have six boxes. We take away five boxes from our eleven boxes to get six boxes.


Try this problem.

15
-
5
=
 
                              
-
          
=
                    
 
   GreenYellow Box   BlueViolet Box   DarkGreen Box   Lavender Box   SkyBlue Box   MediumSpringGreen Box   DarkGoldenrod Box   SeaGreen Box   Chocolate Box   Brown Box   Teal Box   MediumOrchid Box   DarkSeaGreen Box   Peru Box   DarkMagenta Box  minus     GreenYellow Box   BlueViolet Box   DarkGreen Box   Lavender Box   SkyBlue Box  equals     MediumSpringGreen Box   DarkGoldenrod Box   SeaGreen Box   Chocolate Box   Brown Box   Teal Box   MediumOrchid Box   DarkSeaGreen Box   Peru Box   DarkMagenta Box

We start with fifteen boxes, take away five boxes, and now have ten boxes.


In order to do basic subtraction, you must memorize some equations but fear not: FoxyMath will help you! When you are finished with this lesson, you will know the following equations:

  5 - 5 =   0
  6 - 5 =   1
  7 - 5 =   2
  8 - 5 =   3
  9 - 5 =   4
10 - 5 =   5
11 - 5 =   6
12 - 5 =   7
13 - 5 =   8
14 - 5 =   9
15 - 5 = 10
16 - 5 = 11
17 - 5 = 12


The following exercise will help you learn the above equations and what they mean. Please take your time: take whatever time you need to learn the material.

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