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Multiply by 9

Problem

Multiply.
Hint: Use the number line below to help solve 9×1.
9×1=
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
A number line labeled 0 to 9 with tick marks every 1 unit. An arrow begins at the 0 tick mark and moves right on the number line pointing to the labeled tick marks at 1, 2, 3, 4, 5, 6, 7, 8, and 9.
Stuck?
Stuck?