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Basic Addition Lesson 7: Number 7

Here's an easy example:

7
+
1
=
8
 
              
+
  
=
                
 
   Blue Box   MediumSpringGreen Box   MediumPurple Box   Peru Box   DarkBlue Box   MediumBlue Box   Tan Box  plus     Lavender Box  equals     Blue Box   MediumSpringGreen Box   MediumPurple Box   Peru Box   DarkBlue Box   MediumBlue Box   Tan Box   Lavender Box

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


Here's another example:

7
+
2
=
9
 
              
+
    
=
                  
 
   Navy Box   Olive Box   DarkGoldenrod Box   SandyBrown Box   DarkOrange Box   Violet Box   LimeGreen Box  plus     Sienna Box   MediumAquamarine Box  equals     Navy Box   Olive Box   DarkGoldenrod Box   SandyBrown Box   DarkOrange Box   Violet Box   LimeGreen Box   Sienna Box   MediumAquamarine Box

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


Try this problem.

7
+
3
=
 
              
+
      
=
                    
 
   DarkOliveGreen Box   DarkSeaGreen Box   Brown Box   Cyan Box   Magenta Box   Fuchsia Box   DarkCyan Box  plus     OliveDrab Box   DodgerBlue Box   DarkKhaki Box  equals     DarkOliveGreen Box   DarkSeaGreen Box   Brown Box   Cyan Box   Magenta Box   Fuchsia Box   DarkCyan Box   OliveDrab Box   DodgerBlue Box   DarkKhaki 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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