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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.

10
-
1
=
 
 
                    
-
  
=
                  
 
   SpringGreen Box   DarkMagenta Box   Khaki Box   DarkTurquoise Box   MediumTurquoise Box   Indigo Box   Teal Box   Purple Box   CornflowerBlue Box   Chartreuse Box  minus     SpringGreen Box  equals     SpringGreen Box   DarkMagenta Box   Khaki Box   DarkTurquoise Box   MediumTurquoise Box   Indigo Box   Teal Box   Purple Box   CornflowerBlue Box

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