Worksheet: Estimating Length: Customary Units

In this worksheet, we will practice how to estimate the lengths of different real-life objects by choosing the most logical unit of length and value in customary units.

Q1:

Which of the following heights could be the cruising altitude for an airliner?

  • A 3 5 0 0 0 ft
  • B 3 5 0 0 0 m
  • C 3 5 0 0 0 yd
  • D 3 5 0 0 0 km
  • E 3 5 0 0 0 miles

Q2:

Choose an appropriate unit for measuring the width of the Atlantic Ocean.

  • Afeet
  • Bcentimeters
  • Cinches
  • Dyards
  • Emiles

Q3:

Which is a more reasonable estimate for the length of a bedroom: 1 rod or 4 rods?

Q4:

Matthew wants to know the approximate height of a mountain. Would it be more accurate to have an approximation given to the nearest mile, yard, or foot?

  • A to the nearest mile
  • B to the nearest foot
  • C to the nearest yard

Q5:

Natalie, using a clinometer, worked out the height of an oak tree to be 63 miles. What did she do wrong?

  • AShe used the wrong units.
  • BShe missed multiplying by 1 0 0 0 .
  • CShe missed off a zero.
  • DShe missed dividing by 1 0 0 0 .
  • EShe missed adding 1 0 0 0 .

Q6:

Daniel wants to measure the height of a door frame as accurately as possible. Should he measure its height to the nearest quarter, eighth, or sixteenth of an inch?

  • A to the nearest sixteenth of an inch
  • B to the nearest eighth of an inch
  • C to the nearest quarter of an inch

Q7:

Choose an appropriate unit for measuring the distance between two cities.

  • Ainches
  • Byards
  • Cmiles
  • Dcentimeters
  • Efeet

Q8:

Daniel wants to estimate the length of a journey from the east coast to the west coast of the USA.

What would be a disadvantage to estimating this distance in feet?

  • AThe number would be very large.
  • BThe number would be smaller and easier to visualize.

What would be an advantage to estimating the distance in miles?

  • AThe number would be very large and difficult to visualize.
  • BThe number would be smaller and easier to visualize.

Q9:

William wants to estimate the height of an office building with 58 floors.

Which of the following is the best estimate for the height of a ceiling in an office?

  • A 8 ft
  • B 15 ft
  • C 20 ft
  • D 4 ft
  • E 6 ft

Given there is a gap of about 2 ft between each floor in the building, estimate the total height of the building.

  • A 1 2 7 6 ft
  • B 348 ft
  • C 464 ft
  • D 986 ft
  • E 580 ft

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