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Basic Addition Lesson 4: Number 4

Here's an easy example:

4
+
1
=
5
 
        
+
  
=
          
 
   Lavender Box   Chocolate Box   RosyBrown Box   DodgerBlue Box  plus     Purple Box  equals     Lavender Box   Chocolate Box   RosyBrown Box   DodgerBlue Box   Purple Box

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


Here's another example:

4
+
2
=
6
 
        
+
    
=
            
 
   Khaki Box   Wheat Box   SteelBlue Box   MediumSlateBlue Box  plus     MediumAquamarine Box   DarkBlue Box  equals     Khaki Box   Wheat Box   SteelBlue Box   MediumSlateBlue Box   MediumAquamarine Box   DarkBlue Box

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


Try this problem.

4
+
3
=
 
        
+
      
=
              
 
   Peru Box   DarkGreen Box   DarkOrange Box   OliveDrab Box  plus     Yellow Box   Empty Box   Aquamarine Box  equals     Peru Box   DarkGreen Box   DarkOrange Box   OliveDrab Box   Yellow Box   Empty Box   Aquamarine 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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