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Basic Addition Lesson 7: Number 7

Here's an easy example:

7
+
1
=
8
 
              
+
  
=
                
 
   Peru Box   MediumPurple Box   DodgerBlue Box   SteelBlue Box   HotPink Box   DarkSlateBlue Box   SeaGreen Box  plus     MediumSlateBlue Box  equals     Peru Box   MediumPurple Box   DodgerBlue Box   SteelBlue Box   HotPink Box   DarkSlateBlue Box   SeaGreen Box   MediumSlateBlue Box

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


Here's another example:

7
+
2
=
9
 
              
+
    
=
                  
 
   DarkViolet Box   Violet Box   MediumTurquoise Box   Khaki Box   ForestGreen Box   Empty Box   DeepPink Box  plus     YellowGreen Box   OliveDrab Box  equals     DarkViolet Box   Violet Box   MediumTurquoise Box   Khaki Box   ForestGreen Box   Empty Box   DeepPink Box   YellowGreen Box   OliveDrab Box

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


Try this problem.

7
+
3
=
 
              
+
      
=
                    
 
   DarkOliveGreen Box   DarkOrchid Box   DarkGoldenrod Box   DarkCyan Box   BlueViolet Box   MediumVioletRed Box   RosyBrown Box  plus     MediumSpringGreen Box   Pink Box   DarkOrange Box  equals     DarkOliveGreen Box   DarkOrchid Box   DarkGoldenrod Box   DarkCyan Box   BlueViolet Box   MediumVioletRed Box   RosyBrown Box   MediumSpringGreen Box   Pink Box   DarkOrange 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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