Convert Between Standard Units of Length

In this activity, we will need to remember the standard conversion of metric measures for length.

Recap:

1 km = 1,000 m

1 m = 100 cm

1 cm = 10 mm

Examples

1) To convert from m to km

4,000 m = _____ km

There are 1,000 m in a km so we need to divide 4,000 by 1,000:

4,000 m  ÷ 1,000 = 4 km

2) To convert from km to m

30 km = _____ m

There are 1,000 m in a km so we need to multiply 30 by 1,000:

30 km x 1,000 = 30,000 m

3) To convert cm to m

8,000 cm = _____ m

There are 100 cm in a m, so we need to divide 8,000 by 100:

8,000 cm ÷ 100 = 80 m

4) To convert cm to mm

11 cm = _____ mm

There are 10 mm in a cm, so we need to multiply 11 by 10:

11 x 10 = 110 mm

Are you happy with all that?

Then let's try some questions now.