6th Grade Math Textbook, Progress

20

Measurement I

Metric Units of Length

The most commonly used units of length

in the metric system of measurement

are given below.

meter (m) — standard unit of length in

the metric system

The height of a net on an actual

tennis court is about 1 m.

millimeter (mm) centimeter (cm)

An actual dime is about 1 mm thick. A paper clip is about 1 cm wide.

decimeter (dm) kilometer (km)

A photo frame is about 1 dm long.

Use mm, cm, dm, m, or km to

complete each sentence.

1. The length of a pair of scissors is about 20.


2. The width of your hand is about 85.


3. The swimming freestyle distance is 1500.


4. The width of an electric wire is about 1 ?.

?

?

?

It takes about 15 minutes

to walk 1 km.

about

1 m high

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