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Page 20 - CONTINUED from PAGE
19
ROAD
SIGN
DRIVING TIP:
For example, when you see a sign that is shown as
90 km/h (90 kilometers per hour)
and you
want a quick conversion to mph (miles per hour) simply multiply 6 x 90
in your head
and you are going
approximately 54 miles per hour.
1 kilometer
per hour (km/h) is equal to
.6214 miles per hour
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A car traveling at 90 km/h
is moving at 90 kilometers per hour
THAT'S EASY!
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1 meter
(1 m)
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Remember, kilo
is the prefix meaning 1000 times as much.
So, one thousand meters (1000
m) being the length of 1 kilometer, is simply written
1 km
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Smaller
Measurement from a meter
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1 centimeter
(1 cm)
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Remember,
centi
is the prefix meaning
1 one hundredth of the
base unit meter.
So, 1 one hundredth of a
meter (0.01
m) is simply written 1 cm
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Smaller
Measurement from a centimeter
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1 millimeter
(1 mm)
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Remember, milli
is the prefix meaning 1 one thousandth (0.001).
So 1 one thousandth of the base unit meter, being
1 millimeter
is
simply written 1 mm
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...to PAGE 21
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