Comparison of Metric Lengths

Comparison of Metric Lengths

What are Metric Units?

• Metric units are used to measure length.
• They help us know how long or short something is.

The main metric units are:

• Millimeter (mm)
• Centimeter (cm)
• Meter (m)
• Kilometer (km)

Metric Units of Length

We use these units:

• Millimeters (mm)
• Centimeters (cm)
• Meters (m)
• Kilometers (km)

millimeters (mm)

centimeters (cm)

grain of rice

crayon

meters (m)

kilometers (km)

table

long roads

Comparing Metric Lengths

mm < cm < m < km

smallest unit millimeter

largest unit kilometer

Comparison Examples

1 meter is longer than 1 centimeter 1 kilometer is longer than 1 meter 100 centimeters = 1 meter 1,000 meters = 1 kilometer

Let’s Practice!

1 centimeter is equal to 10 millimeters.

False

True

Let’s Practice!

A kilometer is smaller than a meter.

False

True

Let’s Practice!

A millimeter is the largest metric unit.

False

True

Let’s Practice!

Millimeters are smaller than centimeters.

False

True