Worksheet: Estimating Metric Units of Length
In this worksheet, we will practice estimating the length of different real-life objects by choosing the most logical unit of length and value in metric units.
Q3:
Which measurement below is closest to the length of a car?
- A 200 m
- B 3 m
- C 100 m
- D 1 m
Q4:
Which of the following is a reasonable length for a tennis racket?
- A 25 cm
- B 60 cm
- C 1 m
- D 2 m
- E 4 m
Q5:
How long is the shown object in reality? Choose the answer that gives the best estimation.
- A 6 cm
- B 100 cm
- C 50 cm
- D 70 cm
- E 60 cm
Q6:
Estimate, in centimeters, the most likely length of an eraser.
- A 40 cm
- B 60 cm
- C 80 cm
- D 20 cm
- E 4 cm
Q7:
Which of the following is a reasonable length for a spoon?
- A 10 cm
- B 50 cm
- C 2 m
- D 1 m
- E 3 m
Q8:
Which of the following is a reasonable length for a toothbrush?
- A 5 dm
- B 2 m
- C 12 cm
- D 12 mm
- E 70 cm
Q9:
Which of the following is the best approximation for the length of an adult’s leg?
- A 9 cm
- B 30 dm
- C 2 m
- D 80 cm
- E 7 mm
Q10:
Which of the following would be the best estimate for the length of an adult’s shoe?
- A 4 mm
- B 28 cm
- C 90 cm
- D 8 dm
- E 7 m
Q11:
Estimate the answer in centimetres and complete the following statement: The length of your bed is .
- A 5 cm
- B 7 cm
- C 20 cm
- D 200 cm
- E 30 cm
Q12:
Which of these is most likely to be the distance between two cities?
- A 84 m
- B cm
- C 44 km
Q13:
Which of these is most likely to be the length of a car?
- A 3 cm
- B 10 cm
- C 3 m
- D 10 m
Q14:
Which measurement below is closest to the length of a pencil?
- A 1 cm
- B 90 cm
- C 8 cm
- D 50 cm
Q15:
Which of the following would be the best estimate for the length of an adult's little finger?
- A 34 cm
- B 2 cm
- C 90 cm
- D 6 cm
- E 1 cm
Q16:
Which of the following would be the best approximation for the length of the longest side of a math book?
- A 5 cm
- B 2 cm
- C 70 cm
- D 25 cm
- E 60 cm
Q17:
What is the approximate height of the Cairo Tower?
- A 200 m
- B 2 cm
- C 200 cm
- D 2 m
Q18:
Charlotte 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 micrometer
- B to the nearest millimeter
Q19:
William estimates the height of a mountain to be cm. Is this realistic?
- ANo
- BYes
Q20:
Which of the following is a reasonable length for a door key?
- A 50 cm
- B 5 m
- C 6 cm
- D 1 m
- E 2 m
Q21:
Which of these is most likely to be the height of a classroom?
- A 10 m
- B 300 m
- C 10 cm
- D 300 cm
Q22:
Which of these is most likely to be the height of a teacher?
- A 10 m
- B 40 cm
- C 160 m
- D 160 cm
Q23:
Anthony 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
Q24:
How long is the shown object in reality? Choose the answer that gives the best estimation.
- A 3 m
- B 20 cm
- C 70 cm
- D 2 m
- E 1 m
Q25:
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