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Basic Subtraction Lesson 5: Number 5

Here's an easy example:

6
-
5
=
1
 
            
-
          
=
  
 
   MediumPurple Box   CadetBlue Box   DarkViolet Box   SpringGreen Box   MediumVioletRed Box   Empty Box  minus     MediumPurple Box   CadetBlue Box   DarkViolet Box   SpringGreen Box   MediumVioletRed Box  equals     Empty 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
 
                      
-
          
=
            
 
   Chocolate Box   RosyBrown Box   DarkKhaki Box   LimeGreen Box   SandyBrown Box   YellowGreen Box   Teal Box   DarkOrange Box   DarkGoldenrod Box   Pink Box   DeepPink Box  minus     Chocolate Box   RosyBrown Box   DarkKhaki Box   LimeGreen Box   SandyBrown Box  equals     YellowGreen Box   Teal Box   DarkOrange Box   DarkGoldenrod Box   Pink Box   DeepPink 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
=
 
                              
-
          
=
                    
 
   DeepPink Box   MidnightBlue Box   BlueViolet Box   SkyBlue Box   Plum Box   Thistle Box   Olive Box   Turquoise Box   CornflowerBlue Box   Yellow Box   Brown Box   Aqua Box   BurlyWood Box   Khaki Box   DarkTurquoise Box  minus     DeepPink Box   MidnightBlue Box   BlueViolet Box   SkyBlue Box   Plum Box  equals     Thistle Box   Olive Box   Turquoise Box   CornflowerBlue Box   Yellow Box   Brown Box   Aqua Box   BurlyWood Box   Khaki Box   DarkTurquoise 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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