The document discusses units of measurement in both the metric and English systems. It provides conversion factors between common metric units like centimeters, meters, and kilometers. It also lists equivalents between metric and English units such as inches, feet, yards, and miles. Finally, it gives examples of how to read and write measurements combining metric units of length.

1. Is the process of determining the ratio of a physical quantity such
as length (meter), time (second), temperature (degree Celsius)
English
Metric / System International (S.I.)
1 cm = 10 mm
1 dm = 10 cm
1 m = 10 dm / 100 cm
1 km = 10,000 dm / 1,000 m
1 inch = 2.54 cm
1 foot = 30.48 cm
1 yard = 0.9144 m
I mile = 1.6095 km
1 m = 39.37 in / 3.28 ft / 1.09 yard
Tenth of a Millimeter
Millimeter
Centimeter
Decimeter
Meter
READINGS: 
One meter, three decimeter, seven centimeters and eight point nine millimeter
One meter, thirty seven centimeters and eight point nine millimeter