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Basic Subtraction Lesson 2: Number 2

Here's an easy example:

3
-
2
=
1
 
      
-
    
=
  
 
   Aquamarine Box   DarkKhaki Box   DarkSeaGreen Box  minus     Aquamarine Box   DarkKhaki Box  equals     DarkSeaGreen 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
 
              
-
    
=
          
 
   MediumTurquoise Box   Olive Box   MediumPurple Box   Yellow Box   SandyBrown Box   BurlyWood Box   DarkGreen Box  minus     MediumTurquoise Box   Olive Box  equals     MediumPurple Box   Yellow Box   SandyBrown Box   BurlyWood Box   DarkGreen 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
=
 
                      
-
    
=
                  
 
   DarkBlue Box   MediumVioletRed Box   DarkOliveGreen Box   Chocolate Box   Thistle Box   BlueViolet Box   Wheat Box   DarkOrchid Box   DarkSlateBlue Box   MediumAquamarine Box   GreenYellow Box  minus     DarkBlue Box   MediumVioletRed Box  equals     DarkOliveGreen Box   Chocolate Box   Thistle Box   BlueViolet Box   Wheat Box   DarkOrchid Box   DarkSlateBlue Box   MediumAquamarine Box   GreenYellow 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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