Estimation of Length

Q. The height of a coconut tree is around 5 times the length of its leaf. If one leaf is 17 ft long, what is the estimated height of the tree?

1. 5 ft
2. 85 ft
3. 17 ft
4. 22 ft

Q. Estimate the length of the blue dress from the following figure:

1. Approximately 120 cm
2. Approximately 200 cm
3. Approximately 170 cm
4. Approximately 190 cm

Q. The heights of Alex, Sam and Ben are 127 cm, 131 cm and 142 cm respectively. Who is taller than Alex? [ 1 mark ]

Q. If the length of 1 blue paperclip is 2 inches, what is the length of 1 red paperclip?

1. Approximately 3 inches
2. Approximately 5 inches
3. Approximately 2 inches
4. Approximately 1 inch

Q. You have a pencil of length 6 inches, and you want to measure the length of a blank paper. You figured out that the length of the paper is equivalent to two times the length of the pencil. Estimate the length of the paper.

1. 12 inches
2. 6 inches
3. 24 inches
4. 18 inches

Q. If the length of the brown lace is 8 inches, what will the length of the blue lace be?

1. Approximately half the length of the brown lace
2. Approximately 2 inches
3. Approximately 8 inches
4. None of the above

Q. Which of the following units would be appropriate to measure the distance between Alex’s house and the railway station?

1. 
   km
2. 
   mm
3. 
   cm