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Basic Addition Lesson 4: Number 4

Here's an easy example:

4
+
1
=
5
 
        
+
  
=
          
 
   Navy Box   DarkSlateBlue Box   Pink Box   DarkGoldenrod Box  plus     DarkSeaGreen Box  equals     Navy Box   DarkSlateBlue Box   Pink Box   DarkGoldenrod Box   DarkSeaGreen Box

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


Here's another example:

4
+
2
=
6
 
        
+
    
=
            
 
   MediumVioletRed Box   DarkOrange Box   Goldenrod Box   DarkBlue Box  plus     Gold Box   Teal Box  equals     MediumVioletRed Box   DarkOrange Box   Goldenrod Box   DarkBlue Box   Gold Box   Teal Box

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


Try this problem.

4
+
3
=
 
        
+
      
=
              
 
   Blue Box   RoyalBlue Box   SeaGreen Box   Tan Box  plus     Plum Box   BurlyWood Box   DarkKhaki Box  equals     Blue Box   RoyalBlue Box   SeaGreen Box   Tan Box   Plum Box   BurlyWood Box   DarkKhaki 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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