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2-39.

Copy these incomplete number lines. Label the missing numbers on each of them.

  1. A vertical axis, labeled Length in cm, has 6 marks, labeled, from bottom to top, as follows: First, 0, third, 20, sixth, 50.

    Use the information on the number line to determine the value of each segment.

    There are segments that make cm. How much is each segment?

    Each segment is cm.

    The following labels, from bottom to top, have been added as follows: second, 10, fourth, 30, fifth, 40.

  1. A vertical axis, labeled Length in cm, has 6 marks, labeled, from bottom to top, as follows: First, 0, fifth, 32.4.

    See part (a).

    The following labels, from bottom to top, have been added as follows: second, 8.1, third, 16.2, fourth, 24.3, sixth, 40.5.

  1. A vertical axis, labeled Time in minutes, has 6 marks, labeled, from bottom to top, as follows: First, 0, fifth, 8.8.

    Four segments represent minutes. How much is each segment?

  1. A vertical axis, labeled time in minutes, has 6 marks, labeled, from bottom to top, as follows: First, 0, fourth, 10.

    See part (a).