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3-120.

You can see in the examples below that not all number lines increase by one unit from mark to mark. Sketch the number lines on your paper and fill in the missing numbers.

    1. Number line with 8 evenly spaced marks, labeled as follows: first is negative 6, second is negative 4, third is negative 2, and fourth is 0.

      On this number line, each mark indicates an increase of 2. Can you fill in the rest of the number line?

    2. Number line with 8 evenly spaced marks, labeled as follows: first is negative 15, second is negative 10, third is negative 2, and eighth is 20.

      A number line scaled by 5 and is labeled from negative 15 to 20. The missing numbers from third to seventh tick marks are as follows: negative 5, 0, 5, 10, and 15.

    3. Number line with 7 evenly spaced marks, labeled as follows: second is negative 7, third is 0, and sixth is 21.

      This number line increases by with each mark.

      Number line with 7 evenly spaced marks, labeled as follows: first is negative 14, second is negative 7, third is 0,sixth is 21, and seventh is 28.

      Some numbers have been added for you. Try filling in the rest on your own.

    4. Number line with 5 evenly spaced marks, labeled as follows: second is negative 2000, and third is 0.

      This is a zoomed-out perspective on the number line, since each mark represents an increase of .