Measuring Marine Mammals

Solve each problem below. Write a multiplication or division equation for each problem that uses the numbers provided OR use a model to show your thinking.

  1. The pectoral fins on a humpback whale are approximately 13 the length of the whale. If a humpback whale is 39 feet long, how long might its pectoral fins be?
  2. An orca may be 13 the length of a right whale. If an orca is 18 feet long, how long might a right whale be?
  3. A 6-foot person is approximately 111 the length of an average fin whale. How long is an average fin whale?
  4. A humpback whale may be 25 the length of a blue whale. If a humpback whale is 39 feet long, how long might a blue whale be?
  5. A beluga whale is approximately 27 the length of a gray whale. If a beluga whale is 14 feet long, how long might a gray whale be?
  6. An 8-foot-long Pacific white-sided dolphin is 49 the length of a pilot whale. How long is the pilot whale?