What practical examples are there of uses of the real number line in everyday life?
3 Answers
Dec 22, 2016
Mechanical devices for measuring.
Explanation:
Most mechanical devices for measuring contain part of the real number line.
Some examples:
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(Marked) ruler
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Protractor
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Kitchen/bathroom scales
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Micrometer (twice)
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Pressure gauge
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Barometer
Dec 22, 2016
One you probably already use. The axis of a graph.
Dec 22, 2016
The most obvious one we use daily is a thermometer - the temperature can increase from freezing point, but it is possible to have negative temperatures as well.
You can read your altitude on the screen of a GPS unit - it will tell you how high or even how far below sea level you are.
