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The International System of Units
is called "SI"
and is the Metric Measurement used in America.
kilometer (km)
also spelled
kilometre
kilo
is the Prefix meaning 1 000 times as much
There are exactly 1 000 m (meters)
in 1 km (1 kilometer)
which is pronounced
"KILLohmeetur" NOT "killAHmitur"
Use the symbol
km
Longer
Distances are Measured in kilometers
A trip across North America is approximately
7 600 kilometers long.
Measurements used for Mars Exploration are
Measured
Exclusively in Metric
Dimensions for Accuracy.
1
kilometer
(1 km)

Remember, kilo
is the prefix meaning
1 000 times as much.
So, one thousand meters
(1000 m) is the length of
1 kilometer and it is simply
written 1 km


Longer distances like
lakes
and rivers are measured
in kilometers


Going to work or holiday
distance
is measured
in kilometers

A jog around the park can be measured in kilometers 


Roads are measured
in
kilometers


1 kilometer is about
the
length of 60 train cars


A car traveling
at
90 km/h
is moving at
90 kilometers
per hour
THAT'S EASY!

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.
And that's close enough for
everyday purposes.

1 kilometer
per hour (km/h) is equal to .6214 miles per hour

Smaller
from a kilometer


Remember, kilo
is the prefix meaning
1 000 times as much.
So, one thousand meters (1 000 m) being the length of
1 kilometer, is simply written 1 km which is pronounced
"KILLohmeetur" NOT "killAHmitur"

Smaller
Measurement from a meter

1 centimeter
(1 cm)

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

Smaller
Measurement from a centimeter

1 millimeter
(1 mm)

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



CLICK
ON PICTURES
FOR VIDEO LEARNING!
Enjoy
this Video!
kilometer
(km)
Video
Narrated with music
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CLICK ON PICTURES
BELOW FOR
VIDEO CLIPS
"The
Metric
System"
SMALLER
METRIC
MEASURES
1 cmณ (1 cubic centimeter)
filled with water
contains exactly
1 mL (1 milliliter)
and is the mass of exactly
1 g (1 gram)
VIDEO CLIP
"centimeters
milliliters
milligrams"
