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Basic Addition Lesson 7: Number 7

Here's an easy example:

7
+
1
=
8
 
              
+
  
=
                
 
   GreenYellow Box   Coral Box   DodgerBlue Box   Violet Box   DarkOliveGreen Box   Peru Box   Magenta Box  plus     Empty Box  equals     GreenYellow Box   Coral Box   DodgerBlue Box   Violet Box   DarkOliveGreen Box   Peru Box   Magenta Box   Empty Box

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


Here's another example:

7
+
2
=
9
 
              
+
    
=
                  
 
   DarkSeaGreen Box   Turquoise Box   Thistle Box   Goldenrod Box   Chocolate Box   SaddleBrown Box   MediumSlateBlue Box  plus     SandyBrown Box   MediumSpringGreen Box  equals     DarkSeaGreen Box   Turquoise Box   Thistle Box   Goldenrod Box   Chocolate Box   SaddleBrown Box   MediumSlateBlue Box   SandyBrown Box   MediumSpringGreen Box

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


Try this problem.

7
+
3
=
 
              
+
      
=
                    
 
   DarkOrchid Box   LawnGreen Box   CornflowerBlue Box   Aqua Box   OliveDrab Box   Aquamarine Box   DarkOrange Box  plus     Maroon Box   SteelBlue Box   Indigo Box  equals     DarkOrchid Box   LawnGreen Box   CornflowerBlue Box   Aqua Box   OliveDrab Box   Aquamarine Box   DarkOrange Box   Maroon Box   SteelBlue Box   Indigo 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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