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Basic Addition Lesson 4: Number 4

Here's an easy example:

4
+
1
=
5
 
        
+
  
=
          
 
   Chartreuse Box   DarkTurquoise Box   Violet Box   Coral Box  plus     DodgerBlue Box  equals     Chartreuse Box   DarkTurquoise Box   Violet Box   Coral Box   DodgerBlue Box

We start with four boxes, add one box, and now have five boxes.


Here's another example:

4
+
2
=
6
 
        
+
    
=
            
 
   Peru Box   DarkOrchid Box   Cyan Box   Purple Box  plus     CadetBlue Box   DeepPink Box  equals     Peru Box   DarkOrchid Box   Cyan Box   Purple Box   CadetBlue Box   DeepPink Box

We start with four boxes, add two boxes, and now have six boxes.


Try this problem.

4
+
3
=
 
        
+
      
=
              
 
   Pink Box   Sienna Box   GreenYellow Box   SandyBrown Box  plus     Lavender Box   DarkGreen Box   Brown Box  equals     Pink Box   Sienna Box   GreenYellow Box   SandyBrown Box   Lavender Box   DarkGreen Box   Brown Box

We start with four boxes, add three boxes, and now have seven boxes.


In order to do basic addition, 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 + 1 = 5
4 + 2 = 6
4 + 3 = 7
4 + 4 = 8
4 + 5 = 9
4 + 6 = 10
4 + 7 = 11
4 + 8 = 12
4 + 9 = 13
4 + 10 = 14
4 + 11 = 15
4 + 12 = 16


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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