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Basic Subtraction Lesson 2: Number 2

Here's an easy example:

3
-
2
=
1
 
      
-
    
=
  
 
   Brown Box   Purple Box   MediumTurquoise Box  minus     Brown Box   Purple Box  equals     MediumTurquoise Box

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


Here's another example:

7
-
2
=
5
 
              
-
    
=
          
 
   DarkTurquoise Box   SkyBlue Box   DarkGreen Box   DarkMagenta Box   LimeGreen Box   SteelBlue Box   Yellow Box  minus     DarkTurquoise Box   SkyBlue Box  equals     DarkGreen Box   DarkMagenta Box   LimeGreen Box   SteelBlue Box   Yellow Box

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


Try this problem.

11
-
2
=
 
                      
-
    
=
                  
 
   Aquamarine Box   RosyBrown Box   YellowGreen Box   DeepPink Box   DarkOrchid Box   Pink Box   Goldenrod Box   Aqua Box   MediumSpringGreen Box   GreenYellow Box   SpringGreen Box  minus     Aquamarine Box   RosyBrown Box  equals     YellowGreen Box   DeepPink Box   DarkOrchid Box   Pink Box   Goldenrod Box   Aqua Box   MediumSpringGreen Box   GreenYellow Box   SpringGreen Box

We start with eleven boxes, take away two boxes, and now have nine 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:

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