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Basic Addition Lesson 3: Number 3

Here's an easy example:

3
+
1
=
4
 
      
+
  
=
        
 
 plus     Aquamarine Box  equals     RosyBrown Box   DarkKhaki Box   Brown Box   Aquamarine Box

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


Here's another example:

3
+
2
=
5
 
      
+
    
=
          
 
   DodgerBlue Box   DarkMagenta Box   DarkOliveGreen Box  plus     DarkOliveGreen Box   DarkViolet Box  equals     DodgerBlue Box   DarkMagenta Box   DarkOliveGreen Box   DarkViolet Box   Yellow Box

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


Try this problem.

3
+
3
=
 
      
+
      
=
            
 
   DarkSlateBlue Box   SaddleBrown Box   SteelBlue Box  plus     MediumSpringGreen Box   Indigo Box   PowderBlue Box  equals     DarkSlateBlue Box   SaddleBrown Box   SteelBlue Box   MediumSpringGreen Box   Indigo Box   PowderBlue 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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