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Basic Addition Lesson 7: Number 7

Here's an easy example:

7
+
1
=
8
 
              
+
  
=
                
 
   Indigo Box   Olive Box   Khaki Box   Coral Box   Plum Box   DarkSlateBlue Box   DeepSkyBlue Box  plus     DarkOrchid Box  equals     Indigo Box   Olive Box   Khaki Box   Coral Box   Plum Box   DarkSlateBlue Box   DeepSkyBlue Box   DarkOrchid Box

We start with seven boxes, add one box, and now have eight boxes.


Here's another example:

7
+
2
=
9
 
              
+
    
=
                  
 
   Blue Box   MediumTurquoise Box   SpringGreen Box   Orchid Box   DodgerBlue Box   Magenta Box   Thistle Box  plus     Goldenrod Box   DarkMagenta Box  equals     Blue Box   MediumTurquoise Box   SpringGreen Box   Orchid Box   DodgerBlue Box   Magenta Box   Thistle Box   Goldenrod Box   DarkMagenta Box

We start with seven boxes, add two boxes, and now have nine boxes.


Try this problem.

7
+
3
=
 
              
+
      
=
                    
 
   DarkTurquoise Box   MediumSeaGreen Box   CadetBlue Box   Peru Box   Empty Box   DarkGreen Box   Sienna Box  plus     HotPink Box   YellowGreen Box   SeaGreen Box  equals     DarkTurquoise Box   MediumSeaGreen Box   CadetBlue Box   Peru Box   Empty Box   DarkGreen Box   Sienna Box   HotPink Box   YellowGreen Box   SeaGreen Box

We start with seven boxes, add three boxes, and now have ten 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:

7 + 1 = 8
7 + 2 = 9
7 + 3 = 10
7 + 4 = 11
7 + 5 = 12
7 + 6 = 13
7 + 7 = 14
7 + 8 = 15
7 + 9 = 16
7 + 10 = 17
7 + 11 = 18
7 + 12 = 19


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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