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Basic Addition Lesson 3: Number 3

Here's an easy example:

3
+
1
=
4
 
      
+
  
=
        
 
 plus     Tan Box  equals     PowderBlue Box   GreenYellow Box   DarkCyan Box   Tan Box

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


Here's another example:

3
+
2
=
5
 
      
+
    
=
          
 
   Goldenrod Box   Lavender Box   MediumOrchid Box  plus     MediumOrchid Box   Chocolate Box  equals     Goldenrod Box   Lavender Box   MediumOrchid Box   Chocolate Box   DodgerBlue Box

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


Try this problem.

3
+
3
=
 
      
+
      
=
            
 
   Purple Box   Turquoise Box   SandyBrown Box  plus     Navy Box   Cyan Box   Peru Box  equals     Purple Box   Turquoise Box   SandyBrown Box   Navy Box   Cyan Box   Peru 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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