1. Metric Conversions and Dimensional Analysis Notes

2. Notes 8/28
In your Essential Facts Binder look at note page titled, “Metrics” with a box that reads “1.2” in the top right corner.
The following slides will offer the notes that you will need to fill our your notes page.
If you have any questions please don’t hesitate to ask Mrs. Spencer or a classmate when you return to class.

3. How many meters/grams/liters are in this unit?
Prefixes
Prefix
Mega- 
Kilo-
Hecta-
Deka-
Base Unit
Deci-
Centi-
Milli-
 Micro-
Length: Abbreviation
Mm 
 km
hm  Dm  m
dm 
cm 
mm 
  µm
Weight: Abbreviation
 Mg
kg 
hg  Dg  g
dg 
cg 
mg  µg
Volume: Abbreviation
 ML
 kL
hL 
DL   L
 dL
cL 
mL 
  µL
How many meters/grams/liters are in this unit?
1,000,000
1000 
 100
 10  1
0.1 
0.01 
0.001   
BIGGER
SMALLER
Divide ÷
Multiply ×

4. 6 Steps of Dimensional Analysis
What do we know?
Make your “t” chart.
What is your cancel unit(s)?
What is your answer unit?
Make each unit equal
Do the MATH!!!
How many feet in 4.5 meters?
(1 foot = meters)
We have 4.5 meters and that 1 foot is equal to meters.
T-chart:
Cancel units? In # 1 is there a unit that is mentioned twice? Yes meters. Just like fractions units can cross cancel.
Answer units? What does our question ask for? Feet. Our answer must be in feet.
Make units equal
Do math. Multiple by all numbers on top. And Divide by all numbers on the bottom.
4.5 meters
0.305 meters
4.5 meters
0.305 meters
1 foot
4.5 meters
0.305 meters
1 foot
= ft.