Comparing Length Worksheet
This worksheet helps fourth-grade students practice comparing lengths using various units and tools.
Includes
Standards
Topics
Comparing Length Worksheet
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show your work when necessary.
1. Which unit is best for measuring the length of a pencil?
kilometers
meters
centimeters
millimeters
2. Which is longer: 2 meters or 200 centimeters?
2 meters
200 centimeters
They are the same length
Cannot be determined
3. 1 meter = centimeters.
4. 1 kilometer = meters.
5. A standard ruler is usually centimeters long.
6. Use the ruler image below to measure the length of the line segment.

7. Sarah's ribbon is 50 cm long. Tom's ribbon is 1 meter long. Whose ribbon is longer and by how much?
8. A car is usually measured in centimeters.
True
False
9. 3000 millimeters is equal to 3 meters.
True
False
Match the object with the most appropriate unit of length.
10. Length of a school bus
a. Millimeters
11. Thickness of a coin
b. Kilometers
12. Distance between two cities
c. Meters
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