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Step 1: Check the “Show/hide intervals” box to calibrate the number line. This should assist you to locate a point more accurately. Do not check the “show/hide answer” box.
Step 2: Use the number line to answer the questions below. If a point is out of range, use the zoom in/out slider to bring the point in.
5 – (-4) = ?
9 – 7 = ?
11 – 4 = ?
-3 – (-2) = ?
-5 – (-5) = ?
13 – (-12) = ?
-15 – 1 = ?
0 – (-6) = ?
-10 – 10 = ?
-16 – (-1) = ?