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Basic Addition Lesson 7: Number 7

Here's an easy example:

7
+
1
=
8
 
              
+
  
=
                
 
   Orchid Box   Purple Box   Aquamarine Box   DarkKhaki Box   Tan Box   MediumSpringGreen Box   MediumPurple Box  plus     SkyBlue Box  equals     Orchid Box   Purple Box   Aquamarine Box   DarkKhaki Box   Tan Box   MediumSpringGreen Box   MediumPurple Box   SkyBlue Box

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


Here's another example:

7
+
2
=
9
 
              
+
    
=
                  
 
   BurlyWood Box   Violet Box   Gold Box   DarkOliveGreen Box   MidnightBlue Box   Goldenrod Box   DodgerBlue Box  plus     LimeGreen Box   LawnGreen Box  equals     BurlyWood Box   Violet Box   Gold Box   DarkOliveGreen Box   MidnightBlue Box   Goldenrod Box   DodgerBlue Box   LimeGreen Box   LawnGreen Box

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


Try this problem.

7
+
3
=
 
              
+
      
=
                    
 
   HotPink Box   Yellow Box   Cyan Box   Empty Box   SandyBrown Box   Olive Box   CadetBlue Box  plus     Wheat Box   Indigo Box   DeepPink Box  equals     HotPink Box   Yellow Box   Cyan Box   Empty Box   SandyBrown Box   Olive Box   CadetBlue Box   Wheat Box   Indigo Box   DeepPink 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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