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# Measurement: GED Test Prep (page 4)

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### Division with Measurements

For division with measurements, follow these steps:

1. Divide into the larger units first.
2. Convert the remainder to the smaller unit.
3. Add the converted remainder to the existing smaller unit if any.
4. Divide into smaller units.
5. Write the answer in simplest form.

### Metric Measurements

The metric system is an international system of measurement also called the decimal system. Converting units in the metric system is much easier than converting units in the English system of measurement. However, making conversions between the two systems is much more difficult. Luckily, the GED will provide you with the appropriate conversion factor when needed. The basic units of the metric system are the meter, gram, and liter. Here is a general idea of how the two systems compare:

Prefixes are attached to these basic metric units to indicate the amount of each unit.

For example, the prefix deci- means one-tenth (); therefore, one decigram is one-tenth of a gram, and one decimeter is one-tenth of a meter. The following six prefixes can be used with every metric unit:

Examples

• 1 hectometer = 1 hm = 100 meters
• 1 millimeter = 1 mm = meter = .001 meter
• 1 dekagram = 1 dkg = 10 grams
• 1 centiliter = 1 cL* = liter = .01 liter
• 1 kilogram = 1 kg = 1,000 grams
• 1 deciliter = 1 dL* = liter = .1 liter

*Notice that liter is abbreviated with a capital letter—L.

The following chart illustrates some common relationships used in the metric system:

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