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The following exercise will help you learn the basic addition equations for the number 1. When you think you know the equations, please click on the Go To Next Page link to test your knowledge. Please take your time: take whatever time you need to learn the material.

1
+
9
=
 
 
  
+
                  
=
                    
 
   Chartreuse Box  plus     Magenta Box   OliveDrab Box   BlueViolet Box   Aquamarine Box   Maroon Box   Plum Box   SteelBlue Box   DarkViolet Box   Violet Box  equals     Chartreuse Box   Magenta Box   OliveDrab Box   BlueViolet Box   Aquamarine Box   Maroon Box   Plum Box   SteelBlue Box   DarkViolet Box   Violet Box

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