Measurements.
For
grade 8:
Length.
Length is the measurement of things in
one dimension. The unit of length is meter.
The meter also has other equivalants.
They are:
1 millimeter = 1mm = 0.001 meter
1 centimeter = 1cm = 0.01 meter
1 decimeter = 1dm = 0.1 meter
1 kilometer = 1 km = 1000 meters
Area:
The region occupied by a shape or body
is known as area. This area is taken in
two dimensions. The unit of area is meter
square. The other equivalents are:
1 millimeter = 1mm
1 centimeter = 1cm
1 decimeter = 1dm
1 kilometer = 1 km
Volume:
Volume is the space occupied by a body
or shape. The volume is in three dimensions.
The standard unit of volume is liter.
Other equivalents are;
1 milliliter = 1 ml = 0.001 liter
1 centiliter = 1cl = 0.01 liter
1 deciliter = 1dl = 0.1 liter
1 kiloliter = 1kl = 1000 liters
Mass:
The amount of mater in a body is called
its mass. The unit of mass in metric system
is gram. And other equivalent units are:
1 milligram = 1 mg = 0.001 gram
1 centigram = 1 cg = 0.01 gram
1 decigram = 1 dg = 0.1 gram
1 kilogram = 1 kg = 1000 grams
Time:
The time has following conversions which
are useful in our daily life.
1 minute = 60 seconds
1 hour = 60 minutes = 3600 seconds
1 day = 24 hours = 1440 minutes
1 week = 7 days = 168 hours
1 year = 365 1/4 days
Prefix
for decimal measurements:
