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Lesson: Estimating Metric Units of Length

Sample Question Videos

Worksheet • 25 Questions • 1 Video

Q1:

Which of the following is the best estimate for the length of a pen?

  • A 12 cm
  • B 12 m
  • C 12 km
  • D 12 mm

Q2:

Shady wants to cut out a hole in a piece of wood through which he will be able to place a beam of wood whose face is a rectangle. To determine the size of the hole that he needs to cut, would it be better to measure the beam’s dimensions to the nearest centimeter or nearest millimeter?

  • A to the nearest centimeter
  • B to the nearest millimeter

Q3:

What is the approximate height of the Cairo Tower?

  • A 200 m
  • B 2 m
  • C 2 cm
  • D 200 cm

Q4:

How long is the shown object in reality? Choose the answer that gives the best estimation.

  • A 70 cm
  • B 20 cm
  • C 2 m
  • D 3 m
  • E 1 m

Q5:

Engy has 71 dominoes. Each one is 4 centimeters long. If she lines them up end to end as shown, how many meters long is the line of dominoes?

Q6:

Which measurement below is closest to the length of a car?

  • A3m
  • B1m
  • C200m
  • D100m

Q7:

Which measurement below is closest to the length of a guitar?

  • A1m
  • B70m
  • C20m
  • D10m

Q8:

Which measurement below is closest to the height of a school building?

  • A20m
  • B1m
  • C100m
  • D300m

Q9:

Which measurement below is closest to the height of a door?

  • A2m
  • B10m
  • C20m
  • D30m

Q10:

Which measurement below is closest to the height of your friend?

  • A1m
  • B70m
  • C20m
  • D10m

Q11:

Which measurement below is closest to the height of a chair?

  • A1m
  • B70m
  • C20m
  • D10m

Q12:

Which measurement below is closest to the height of a closet?

  • A2m
  • B10m
  • C20m
  • D30m

Q13:

How long is the shown object in reality? Choose the answer that gives the best estimation.

  • A 6 cm
  • B 100 cm
  • C 60 cm
  • D 70 cm
  • E 50 cm

Q14:

Sally wants to measure the length of a plant cell. She has a microscope and a stage micrometer. Would she be more accurate measuring the length to the nearest millimeter or micrometer?

  • A to the nearest millimeter
  • B to the nearest micrometer

Q15:

How long is the shown object in reality? Choose the answer that gives the best estimation.

  • A 120 cm
  • B 12 yd
  • C 12 m
  • D 120 ft
  • E 2 km

Q16:

Nabil estimates the height of a mountain to be cm. Is this realistic?

  • AYes
  • BNo

Q17:

Which of the following is a reasonable length for a tennis racket?

  • A 60 cm
  • B 4 m
  • C 25 cm
  • D 2 m
  • E 1 m

Q18:

How long is the shown object in reality? Choose the answer that gives the best estimation.

  • A 20 cm
  • B 20 mm
  • C 1 m
  • D 2 ft
  • E 1 in

Q19:

Which of the following is a reasonable length for a door key?

  • A 6 cm
  • B 5 m
  • C 50 cm
  • D 2 m
  • E 1 m

Q20:

Which of these is most likely to be the height of a classroom?

  • A 300 cm
  • B 10 cm
  • C 10 m
  • D 300 m

Q21:

Which of these is most likely to be the height of a teacher?

  • A 160 cm
  • B 40 cm
  • C 10 m
  • D 160 m

Q22:

Which of these is most likely to be the length of a classroom?

  • A 7 m
  • B 1 m
  • C 7 cm
  • D 1 cm

Q23:

Which of these is the best estimate for the height of the great pyramid?

  • A 139 m
  • B 139 cm
  • C 10 cm
  • D 10 m

Q24:

How long is the shown object in reality? Choose the answer that gives the best estimation.

  • A 14 cm
  • B 1 2 in
  • C 1 m
  • D 3 mm
  • E 12 ft

Q25:

Which is the most suitable measurement for the height of a lamppost?

  • A 5 m
  • B 5 dm
  • C 5 cm
  • D 5 km
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