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Basic Subtraction Lesson 4: Number 4

Here's an easy example:

5
-
4
=
1
 
          
-
        
=
  
 
   SaddleBrown Box   SpringGreen Box   Turquoise Box   Chocolate Box   Indigo Box  minus     SaddleBrown Box   SpringGreen Box   Turquoise Box   Chocolate Box  equals     Indigo Box

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


Here's another example:

11
-
4
=
7
 
                      
-
        
=
              
 
   CornflowerBlue Box   DarkSeaGreen Box   Purple Box   SlateBlue Box   Pink Box   RoyalBlue Box   MediumBlue Box   MidnightBlue Box   BurlyWood Box   MediumVioletRed Box   DarkTurquoise Box  minus     CornflowerBlue Box   DarkSeaGreen Box   Purple Box   SlateBlue Box  equals     Pink Box   RoyalBlue Box   MediumBlue Box   MidnightBlue Box   BurlyWood Box   MediumVioletRed Box   DarkTurquoise Box

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


Try this problem.

12
-
4
=
 
                        
-
        
=
                
 
   Plum Box   MediumSpringGreen Box   SkyBlue Box   Magenta Box   GreenYellow Box   MediumTurquoise Box   MediumAquamarine Box   DarkBlue Box   LimeGreen Box   Olive Box   Coral Box   DeepPink Box  minus     Plum Box   MediumSpringGreen Box   SkyBlue Box   Magenta Box  equals     GreenYellow Box   MediumTurquoise Box   MediumAquamarine Box   DarkBlue Box   LimeGreen Box   Olive Box   Coral Box   DeepPink Box

We start with twelve boxes, take away four boxes, and now have eight 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:

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