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

8
-
1
=
 
 
                
-
  
=
              
 
   PowderBlue Box   Coral Box   LimeGreen Box   MediumOrchid Box   OliveDrab Box   Aqua Box   DarkGreen Box   GreenYellow Box  minus     PowderBlue Box  equals     PowderBlue Box   Coral Box   LimeGreen Box   MediumOrchid Box   OliveDrab Box   Aqua Box   DarkGreen Box

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