# Convert Between Standard Units of Length

In this worksheet, students will be asked to convert between standard units of length using metric measures and solve problems using this knowledge.

Key stage:  KS 3

Curriculum topic:   Ratio, Proportion and Rates of Change

Curriculum subtopic:   Change Between Related Standard Units

Difficulty level:

#### Worksheet Overview

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.

### What is EdPlace?

We're your National Curriculum aligned online education content provider helping each child succeed in English, maths and science from year 1 to GCSE. With an EdPlace account you’ll be able to track and measure progress, helping each child achieve their best. We build confidence and attainment by personalising each child’s learning at a level that suits them.

Get started