<a href="http://www.dadsworksheets.com/v1/Worksheets/Subtraction/Subtraction_Number_Line_V2.html">Basic Subtraction on the Number Line Worksheet</a>
4-1 = 3
8-4 = 4
7-3 = 4
5-5 = 0
8-8 = 0
7-5 = 2
8-1 = 7
1-1 = 0
9-1 = 8
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