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Basic Addition Lesson 7: Number 7

Here's an easy example:

7
+
1
=
8
 
              
+
  
=
                
 
   Navy Box   DarkOrange Box   Cyan Box   MediumVioletRed Box   LimeGreen Box   BurlyWood Box   CadetBlue Box  plus     Lavender Box  equals     Navy Box   DarkOrange Box   Cyan Box   MediumVioletRed Box   LimeGreen Box   BurlyWood Box   CadetBlue Box   Lavender Box

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


Here's another example:

7
+
2
=
9
 
              
+
    
=
                  
 
   Aquamarine Box   RosyBrown Box   Peru Box   Pink Box   DeepPink Box   Goldenrod Box   YellowGreen Box  plus     Violet Box   SpringGreen Box  equals     Aquamarine Box   RosyBrown Box   Peru Box   Pink Box   DeepPink Box   Goldenrod Box   YellowGreen Box   Violet Box   SpringGreen Box

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


Try this problem.

7
+
3
=
 
              
+
      
=
                    
 
   DarkOrchid Box   PowderBlue Box   Teal Box   Empty Box   DarkTurquoise Box   SandyBrown Box   MediumPurple Box  plus     MediumOrchid Box   Gold Box   GreenYellow Box  equals     DarkOrchid Box   PowderBlue Box   Teal Box   Empty Box   DarkTurquoise Box   SandyBrown Box   MediumPurple Box   MediumOrchid Box   Gold Box   GreenYellow 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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