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Basic Subtraction Lesson 2: Number 2

Here's an easy example:

3
-
2
=
1
 
      
-
    
=
  
 
   DarkSlateBlue Box   BurlyWood Box   RosyBrown Box  minus     DarkSlateBlue Box   BurlyWood Box  equals     RosyBrown 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   CadetBlue Box   Khaki Box   DarkOrange Box   CornflowerBlue Box   Aquamarine Box   MediumSlateBlue Box  minus     MediumTurquoise Box   CadetBlue Box  equals     Khaki Box   DarkOrange Box   CornflowerBlue Box   Aquamarine Box   MediumSlateBlue 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
=
 
                      
-
    
=
                  
 
   Chocolate Box   Brown Box   ForestGreen Box   Aqua Box   Navy Box   YellowGreen Box   SeaGreen Box   DarkOrchid Box   Coral Box   MidnightBlue Box   PowderBlue Box  minus     Chocolate Box   Brown Box  equals     ForestGreen Box   Aqua Box   Navy Box   YellowGreen Box   SeaGreen Box   DarkOrchid Box   Coral Box   MidnightBlue Box   PowderBlue 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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