Relative Size Customary

A small pencil top eraser is probably...

• 1 centimer

• 1 meter

• 1 kilometer

A teaspoon of medicine probably holds...

• 5 milliliters

• 5 liters

• 5 meters

What customary unit of measurement would you use to find a person's weight?

• ounces

• pounds

• kilograms

• tons

• grams

Which of the following would most likely have a length of 30 feet?

• stick of gum

• envelope

• your desk at school

• swimming pool

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Daryl says he is 5 feet tall. His sister Daria says she is 68 inches tall. Who is taller? Explain.

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Which would be the best customary units to use to find the length of a football field?

• tons

• yards

• feet

• pints

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• =

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Choose the best unit for measurement. 

• 2 yd. 

• 7 ft. 

• 4 in.