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8-33.

Use a ruler to draw a line exactly inches long and then mark every inch.

  1. How many inches are in inches?

    A number line scaled in halves, from 0 to 4.

  2. Now use the ruler to mark every inch. How many inches are in inch?

  3. How many inches are in inches? in inches?

  • There are five fifths in , ten fifths in , and fifteen fifths in .