1. SI System and Metrics

2. What is a standard? Standard - An exact quantity used for comparison
If everyone uses the same standard, data can be understood worldwide

3. SI System Standard of measurement used worldwide
Based on multiples of 10
Each measurement has a base unit
Prefixes can be added to increase or decrease by multiples of 10

4. SI Base Units Quantity Unit Symbol *Length meter m *Mass kilogram kg
*Temperature
kelvin K
*Time
second s
Amount of Substance
mole
mol
Electric Current
ampere A
Light Intensity
candela cd

6. Kilo- k
Hecto- h
Deka-
meter
liter
D or da
gram m L g
deci- d
centi-
These are the base units, to which you can add a prefix c
milli- m

7. What do each of these symbols mean?mm kg K mL Dg dL cm cL L kL hg
daL g mg km hL

8. Using the Stairstep
As you go UP the stairs, move the decimal point LEFT
As you go DOWN the stairs, move the decimal point RIGHT

9. ALWAYS remember to include a unit with your answer!
Convert the following
1000 km = m
356 mL = L
50 cm = hm
50000 m = km
442 daL = dL
6. How many mm are in 1 m?
7. 3 g = __________ Mg
8. How many bytes are in
a Gigabyte?
.356
.0050
50.000
44200.
1000 mm
ALWAYS remember to include a unit with your answer!
1,000,000,000 bytes