<a href="http://www.dadsworksheets.com/v1/Worksheets/Subtraction/Subtraction_Number_Line_V4.html">Basic Subtraction on the Number Line Worksheet</a>
1-1 = 0
9-7 = 2
2-1 = 1
4-4 = 0
7-5 = 2
5-3 = 2
4-1 = 3
8-1 = 7
9-2 = 7
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