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Basic Subtraction Lesson 5: Number 5

Here's an easy example:

6
-
5
=
1
 
            
-
          
=
  
 
   Teal Box   Violet Box   DarkGoldenrod Box   SaddleBrown Box   Chartreuse Box   DarkKhaki Box  minus     Teal Box   Violet Box   DarkGoldenrod Box   SaddleBrown Box   Chartreuse Box  equals     DarkKhaki 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
 
                      
-
          
=
            
 
   HotPink Box   Aquamarine Box   Olive Box   Pink Box   RosyBrown Box   Yellow Box   CornflowerBlue Box   Green Box   DarkSlateBlue Box   Fuchsia Box   SandyBrown Box  minus     HotPink Box   Aquamarine Box   Olive Box   Pink Box   RosyBrown Box  equals     Yellow Box   CornflowerBlue Box   Green Box   DarkSlateBlue Box   Fuchsia Box   SandyBrown 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
=
 
                              
-
          
=
                    
 
   SandyBrown Box   RoyalBlue Box   CadetBlue Box   MediumOrchid Box   Goldenrod Box   SkyBlue Box   Peru Box   YellowGreen Box   Magenta Box   SlateBlue Box   BurlyWood Box   MediumSpringGreen Box   DarkCyan Box   Plum Box   Blue Box  minus     SandyBrown Box   RoyalBlue Box   CadetBlue Box   MediumOrchid Box   Goldenrod Box  equals     SkyBlue Box   Peru Box   YellowGreen Box   Magenta Box   SlateBlue Box   BurlyWood Box   MediumSpringGreen Box   DarkCyan Box   Plum Box   Blue 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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