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In this lesson, we will learn how to estimate the length of different real-life objects by choosing the most logical unit of length and value in metric units.
Q1:
Which of the following is the best estimate for the length of a pen?
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?
Q3:
What is the approximate height of the Cairo Tower?
Q4:
How long is the shown object in reality? Choose the answer that gives the best estimation.
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?
Q7:
Which measurement below is closest to the length of a guitar?
Q8:
Which measurement below is closest to the height of a school building?
Q9:
Which measurement below is closest to the height of a door?
Q10:
Which measurement below is closest to the height of your friend?
Q11:
Which measurement below is closest to the height of a chair?
Q12:
Which measurement below is closest to the height of a closet?
Q13:
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?
Q15:
Q16:
Nabil estimates the height of a mountain to be cm. Is this realistic?
Q17:
Which of the following is a reasonable length for a tennis racket?
Q18:
Q19:
Which of the following is a reasonable length for a door key?
Q20:
Which of these is most likely to be the height of a classroom?
Q21:
Which of these is most likely to be the height of a teacher?
Q22:
Which of these is most likely to be the length of a classroom?
Q23:
Which of these is the best estimate for the height of the great pyramid?
Q24:
Q25:
Which is the most suitable measurement for the height of a lamppost?
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