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Standard unit of length

1 Centimeter is a unit of length in the metric system and equal to
10 millimeters. One mark is 1 millimeter and is written as 1 mm.

1 mm

01

1 cm = 10 mm
1000 Meters equal 1 kilometer and is written as 1 km.

1000 m = 1 km

Example 1 Underline all the words for measuring length.

My father’s waist is 34 inches.
The distance of the marathon is 42.195 km.
Andrew’s height is 6 feet.
The thickness of a math book is 7 mm.
The height of a table is 1 m.

1. Length 5
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