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Basic Addition Lesson 3: Number 3

Here's an easy example:

3
+
1
=
4
 
      
+
  
=
        
 
 plus     RoyalBlue Box  equals     Maroon Box   LimeGreen Box   Wheat Box   RoyalBlue Box

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


Here's another example:

3
+
2
=
5
 
      
+
    
=
          
 
   OliveDrab Box   MidnightBlue Box   Orchid Box  plus     Orchid Box   DarkOrchid Box  equals     OliveDrab Box   MidnightBlue Box   Orchid Box   DarkOrchid Box   DarkGoldenrod Box

We start with three boxes, add two boxes, and now have five boxes.


Try this problem.

3
+
3
=
 
      
+
      
=
            
 
   DeepPink Box   Yellow Box   DarkBlue Box  plus     PowderBlue Box   MediumAquamarine Box   MediumSeaGreen Box  equals     DeepPink Box   Yellow Box   DarkBlue Box   PowderBlue Box   MediumAquamarine Box   MediumSeaGreen Box

We start with three boxes, add three boxes, and now have six 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:

3 + 1 = 4
3 + 2 = 5
3 + 3 = 6
3 + 4 = 7
3 + 5 = 8
3 + 6 = 9
3 + 7 = 10
3 + 8 = 11
3 + 9 = 12
3 + 10 = 13
3 + 11 = 14
3 + 12 = 15


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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