1. 3.2 and 3.3 Conversion Problems
More Calculations!

2. Metric Conversion Practice
7.246 kg to decigrams
Answer: or X 104 dg
35.2 km to meters
Answer: or 3.52 X 104 m
24.80mL to daL
Answer: or X 10-3 daL

3. Domino Activity Always start with zero on the bottom
Match numbers diagonally until you reach the number on the bag
Switch bags with another group and try again

4. Dimensional Analysis - Converting from one unit to another…uses a…
Definitions
Dimensional Analysis - Converting from one unit to another…uses a…
Conversion Factor - Ratio of Equivalent Measurements
Changes the numerical value, but not the size of the quantity

5. Steps List Unknown (?= _) Make a list of knowns (dominoes)
Write down the number and unit you’re starting with
Use knowns to match units diagonally until you’re left with the needed unit(s)

6. Practice. Convert 3,549 seconds to years
Answer: or X 10-4 years
Convert 15.0 miles to inches (hint: there are 5280 ft in a mile)
Answer: 9.50 X 105 inches
Convert 320 kPa to mm Hg
Answer: 2400 or 2.4 X 103 mm Hg

7. Practice Convert 3.458 calories to Joules. Answer: 14.47 J
Convert Joules to calories.
Answer: cal

8. Helpful Conversions 1 mL = 1 cm3 5280 ft = 1 mi 1 ton = 2000 lbs.
1 mi = km
**See section 3.2 for more!

9. Converting TWO Units
Pick the top or bottom to start with and complete those steps before moving onto the other.
Example: I can drink 3 Liters of milk per day. If there are 4 quarts per liter, how many quarts per week is that?
Answer: 84 qts/wk.

10. More Practice
Convert 45 mi per hr to km per s (there is 1 mi in km)
Answer: or 2.0 X 10-2 km/s
52.80 kL per hour to mL per second
Answer: 14,670 or X 104 mL/s