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Basic Addition Lesson 7: Number 7

Here's an easy example:

7
+
1
=
8
 
              
+
  
=
                
 
   Green Box   MediumBlue Box   BlueViolet Box   GreenYellow Box   DarkViolet Box   Aqua Box   MediumSpringGreen Box  plus     DarkGoldenrod Box  equals     Green Box   MediumBlue Box   BlueViolet Box   GreenYellow Box   DarkViolet Box   Aqua Box   MediumSpringGreen Box   DarkGoldenrod Box

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


Here's another example:

7
+
2
=
9
 
              
+
    
=
                  
 
   Peru Box   DarkGreen Box   MediumPurple Box   SteelBlue Box   DeepPink Box   ForestGreen Box   DarkOrange Box  plus     SeaGreen Box   DarkOliveGreen Box  equals     Peru Box   DarkGreen Box   MediumPurple Box   SteelBlue Box   DeepPink Box   ForestGreen Box   DarkOrange Box   SeaGreen Box   DarkOliveGreen Box

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


Try this problem.

7
+
3
=
 
              
+
      
=
                    
 
   DeepSkyBlue Box   Teal Box   Maroon Box   MediumAquamarine Box   Fuchsia Box   LawnGreen Box   CornflowerBlue Box  plus     DodgerBlue Box   DarkSlateBlue Box   Plum Box  equals     DeepSkyBlue Box   Teal Box   Maroon Box   MediumAquamarine Box   Fuchsia Box   LawnGreen Box   CornflowerBlue Box   DodgerBlue Box   DarkSlateBlue Box   Plum 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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