The Metric System.

Frames 4-1 through 4-49.

Pencil, eraser.

After completing this lesson, you should be able to:

4-1.

Identify common metric system terminology dealing with

length, weight/mass, volume, area, and temperature, to include the

meanings of metric prefixes.

4-2.

Perform conversions within the metric system.

4-3.

Convert from the U.S. Customary System of length, weight/mass,

volume, area, and temperature to the metric system.

4-4.

Convert from the metric system of length, weight/mass, volume,

area, and temperature to the U.S. Customary System.

Work the following exercises (numbered frames) in numerical order. Write

the answer in the space provided in the frame. After you have completed a

frame, check your answer against solution given in the shaded area of the

following frame. The final frame contains review exercises for Lesson 4.

These exercises will help you to achieve the lesson objectives.

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system of weights and measures for trade and commerce. Ancient

civilizations in Egypt, Mesopotamia, and the Indus Valley developed

standard weights and measures. In the 13th century, England developed

standards based on the older Roman standards. In 1789, the

revolutionary government of France commissioned the French Academy

of Science to establish a system of measurement and weights suitable

for use throughout the world. The Academy created a system that was

simple and scientific. The unit of length (meter or *metre*) was standard-

ized by marking the distance on a platinum bar. Measures for capacity

(volume) and mass (weight) were derived from the unit of length, thus

relating the basic units of the system to each other. Furthermore, larger

and smaller versions of each unit were created by multiplying or dividing

the basic unit by 10 or multiples of 10, thus making this system (called

the metric system) a "base 10" or "decimal" system. In 1799, these

standards were legally adopted as the weights and measures in France.

What country is credited with developing a system of measurements

founded upon the powers of 10?

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MD0900

4-1

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