Comparing Size Worksheet
A Grade 4 math worksheet focusing on comparing the size of objects and measurements using various units.
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Comparing Size
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Read each question carefully and answer to the best of your ability. Pay close attention to the units of measurement when comparing sizes.
1. Which of these is the longest measurement?
5 meters
500 centimeters
5,000 millimeters
All are equal
2. A swimming pool holds 10,000 liters of water. A bathtub holds 200 liters of water. How much more water does the swimming pool hold than the bathtub?
9,800 liters
10,200 liters
500 liters
20 liters
3. A kilogram is times heavier than a gram.
4. There are milliliters in one liter.
5. Sarah has a ribbon that is 2 meters long. Tom has a ribbon that is 250 centimeters long. Who has the longer ribbon? Explain your answer.
6. A whale is typically larger than an elephant.
True
False
7. A liter of milk weighs more than a kilogram of apples.
True
False
8. Look at the ruler below. Draw a line segment that is 6 centimeters long.

9. Order the following from smallest to largest:
A. Length of a pencil (15 cm)
B. Height of a door (2 meters)
C. Width of a book (200 mm)
10. Match the measurement to the appropriate object.
1. 5 grams
a. Weight of a car
2. 50 kilograms
b. Weight of a paperclip
3. 1,000 kilograms
c. Weight of a person