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Basic Addition Lesson 4: Number 4

Here's an easy example:

4
+
1
=
5
 
        
+
  
=
          
 
   Aqua Box   DodgerBlue Box   Teal Box   Coral Box  plus     Violet Box  equals     Aqua Box   DodgerBlue Box   Teal Box   Coral Box   Violet Box

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


Here's another example:

4
+
2
=
6
 
        
+
    
=
            
 
   RoyalBlue Box   Turquoise Box   Thistle Box   ForestGreen Box  plus     DarkKhaki Box   CadetBlue Box  equals     RoyalBlue Box   Turquoise Box   Thistle Box   ForestGreen Box   DarkKhaki Box   CadetBlue Box

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


Try this problem.

4
+
3
=
 
        
+
      
=
              
 
   Lavender Box   DarkTurquoise Box   Navy Box   SaddleBrown Box  plus     Chartreuse Box   MidnightBlue Box   DarkGoldenrod Box  equals     Lavender Box   DarkTurquoise Box   Navy Box   SaddleBrown Box   Chartreuse Box   MidnightBlue Box   DarkGoldenrod 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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