Units of Length Worksheet
Explore and practice with different units of length including millimeters, centimeters, meters, and kilometers.
Includes
Standards
Topics
Units of Length
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show your work where necessary.
1. Which unit would you use to measure the length of an ant?
kilometers
meters
centimeters
millimeters
2. How many centimeters are in 1 meter?
10
100
1000
0.1
3. There are 10 in 1 centimeter.
4. The unit used to measure long distances, like between cities, is .
5. A pencil is 15 cm long. How many millimeters is that?
6. Look at the ruler and the object next to it. What is the length of the eraser in centimeters?

Length: cm
7. A kilometer is shorter than a meter.
True
False
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