# Worksheet: Estimating Customary Units of Length

In this worksheet, we will practice using objects that are about one inch, one foot, or one yard long to estimate the lengths of objects and choosing the best unit to use.

**Q2: **

Pick the most sensible unit to measure the length of a football field.

- Ainches
- Bfeet
- Cyards

**Q3: **

Pick the most sensible unit to measure the thickness of a book.

- Ayards
- Bfeet
- Cinches

**Q4: **

Pick the most sensible unit to measure the length of a classroom.

- AMiles
- BInches
- CFeet

**Q5: **

Pick the most sensible unit to measure the length of a pencil.

- Ayards
- Bfeet
- Cinches

**Q6: **

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

- Ayards
- Binches
- Cfeet
- Dmiles
- Ecentimeters

**Q7: **

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

**Q8: **

Sameh 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 yard
- C to the nearest foot

**Q9: **

If you are estimating the height of a person, which units of measure would be most appropriate to use?

- Ayards and feet
- Bmiles and yards
- Cfeet and inches

**Q10: **

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

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

**Q11: **

Fares 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 quarter of an inch
- B to the nearest eighth of an inch
- C to the nearest sixteenth of an inch

**Q12: **

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

- Ainches
- Byards
- Cfeet
- Dmiles
- Ecentimeters

**Q13: **

Fares 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 smaller and easier to visualize.
- BThe number would be very large and difficult to visualize.

**Q14: **

Nabil 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 6 ft
- B 15 ft
- C 20 ft
- D 8 ft
- E 4 ft

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

- A 580 ft
- B ft
- C 464 ft
- D 986 ft
- E 348 ft