Measurement Using A Metric Ruler
A metric ruler is used to measure centimeter and
1 centimeter (cm) = 10 millimeters (mm)
A centimeter is a unit of length in the metric system.
There are 2.54 centimeters in an inch.
A 12 inch ruler is about 30 cm long.
Example of a centimeter (cm) ruler
There are 5 cm on the ruler above. There are 10 mm
between each cm
The line segment above is 2 centimeter long or 20
The line segment above = 3 mm
The line segment above = 1-cm and 1-mm or 11 mm
This can also be read as 1.1 cm