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Basic Subtraction Lesson 1: Number 1

Welcome to Basic Subtraction. In this unit, you will learn how to subtract numbers from one to twelve and also zero. FoxyMath wishes you success!

Here's an easy example:

3
-
1
=
2
 
      
-
  
=
    
 
   Lavender Box   MediumPurple Box   Cyan Box  minus     Lavender Box  equals     MediumPurple Box   Cyan Box

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


Here's another example:

5
-
1
=
4
 
          
-
  
=
        
 
   Violet Box   SteelBlue Box   Gold Box   DarkOrchid Box   Blue Box  minus     Violet Box  equals     SteelBlue Box   Gold Box   DarkOrchid Box   Blue Box

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


Try this problem.

10
-
1
=
 
                    
-
  
=
                  
 
   Violet Box   SteelBlue Box   Gold Box   DarkOrchid Box   Blue Box   SeaGreen Box   Sienna Box   Olive Box   DarkOliveGreen Box   Coral Box  minus     Violet Box  equals     SteelBlue Box   Gold Box   DarkOrchid Box   Blue Box   SeaGreen Box   Sienna Box   Olive Box   DarkOliveGreen Box   Coral Box

We start with ten boxes, take away one box, 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:

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


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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