Elementary Test Prep: Math 4 Test (Grades 4) Use a ruler to measure to the nearest centimeter

Centimeters

You can use a metric ruler to measure an object to the nearest centimeter.

Metric Measurements is another system of measurement used to describe an object's length.
Centimeter (cm)	1 cm = 10 mm	A centimeter is about the width of a pencil.

A Ruler is a Tool for Measuring Length

The ruler is a standard mathematical tool. Always look carefully at the scale to determine if you are measuring in inches or centimeters.

When measuring make sure you line the start of the ruler with the beginning of the object.

Measure the fish to the nearest centimeter.

The fish measures about 4 centimeters.

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