Reading Metric Rulers
Practice reading measurements on a metric ruler to the nearest millimeter and centimeter.
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Reading Metric Rulers
Name:
Date:
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Carefully observe the metric rulers and objects in the following questions. Write down the length of each object to the nearest millimeter (mm) or centimeter (cm) as indicated.
1. What is the length of the object in millimeters?

2. What is the length of the pencil in millimeters?

3. 1 centimeter (cm) is equal to millimeters (mm).
4. If an object is 45 mm long, its length in centimeters is cm.
5. Which of the following is the most appropriate unit to measure the length of a car?
millimeters
centimeters
meters
kilometers
6. Draw a line segment that is exactly 7.5 cm long. Then, measure its length in millimeters.
Length in mm:
7. An insect is 28 mm long. Another insect is 3.2 cm long. Which insect is longer and by how many millimeters?
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