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Basic Subtraction Lesson 4: Number 4

Here's an easy example:

5
-
4
=
1
 
          
-
        
=
  
 
   Aqua Box   Blue Box   Tan Box   Fuchsia Box   MediumBlue Box  minus     Aqua Box   Blue Box   Tan Box   Fuchsia Box  equals     MediumBlue 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
 
                      
-
        
=
              
 
   BurlyWood Box   MediumOrchid Box   Purple Box   MediumPurple Box   Turquoise Box   ForestGreen Box   Thistle Box   Goldenrod Box   Chartreuse Box   Green Box   Brown Box  minus     BurlyWood Box   MediumOrchid Box   Purple Box   MediumPurple Box  equals     Turquoise Box   ForestGreen Box   Thistle Box   Goldenrod Box   Chartreuse Box   Green Box   Brown 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
=
 
                        
-
        
=
                
 
   MediumTurquoise Box   SlateBlue Box   Pink Box   DarkOrange Box   MidnightBlue Box   SaddleBrown Box   DarkSeaGreen Box   DarkViolet Box   DarkSlateBlue Box   SeaGreen Box   LawnGreen Box   MediumSpringGreen Box  minus     MediumTurquoise Box   SlateBlue Box   Pink Box   DarkOrange Box  equals     MidnightBlue Box   SaddleBrown Box   DarkSeaGreen Box   DarkViolet Box   DarkSlateBlue Box   SeaGreen Box   LawnGreen Box   MediumSpringGreen 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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