THE METRIC SYSTEM
the official measurements of the world!
The Metric System
PROS
● Universal
● Easy to
convert
CONS
● None!
How Does It Work?
1.
●
●
●
Start with base units:
mass = gram (g)
distance = meter (m)
volume = liter (l)
How Does It Work?
2. Add a prefix for smaller or larger measurements.
●
●
prefix:
abbreviation:
kilo- hecta- deca- base deci- centi- millik
h
da
larger units
●
“Kevin hates dogs because dogs can’t mop.”
d
c
m
smaller units
How Does It Work?
k
h
10x
1,000
da
10x
100
base
10x
10
d
1/10
1
0.1
c
1/10
m
1/10
0.01
0.001
Converting Units
●
Just move the decimal!
k h da base d c m
if going to the left, move the decimal left
if going to the right, move the decimal right
Converting Units
Converting Units
ex.) 9.2 mg = _________ cg
kg hg dag g dg cg mg
Converting Units
ex.) 0.45 kl = ___________ l
kl hl dal l dl cl ml