1. D IMENSIONAL A NALYSIS

2. Is used to convert units of measurements. Units for Mass Weight-Pounds (lb) Weight-Ounces (oz)- 16 oz = 1 lb Grams (g) Kilo (kg)- 1000 Deci- 1/10 Centi 1/100 Milli- 1/1,000 Micro- 1/100,000

3. Units for Volume Gallons (gal) Pints (pt) Ounces (fl oz) Liters (L) – kilo, deci, centi, milli… Units for Length Miles (mi) Foot (ft) Yard (yd) 1 yd = 3 ft Inches (in) 1 in = 2.34 cm Meters (m) – kilo, deci, centi, milli….

4. C ONVERSION F ACTORS

5. C ONVERTING 34.2 cm 2.34 cm 1 in = 14.6 in

6. C ONVERTING 8.9 lbs 1 lbs 16 oz = 142.4 oz

7. C ONVERTING How many meters is 84.1 yards. (1 m = 3.28 ft) What do we know? Known from question: 84.1 yards Unknown from question: ? Meters Conversion Factors: 1 m = 3.28 ft 3 ft = 1 yard 84.1 yd 1 yd 3 ft 3.28 ft 1 m = 76.9 m

8. C ONVERTING How many seconds are in 61 days? What do we know? Known from Questions: 61 days Unknown from questions: ? Seconds Conversion Factors: 1 day = 24 hours 1 hour = 60 mins 1 min= 60 seconds 61 days 1 day 24 hr 1 hr 60 mins 1 min 60 secs = 5.27 x 10 6 secs

9. P RACTICE P ROBLEMS 1. How many eggs are in 34 dozen? 2. How many feet are in 25 miles ? (1 mile=1760 yd) 3. How many hours is 6235 seconds? 4. How many mL is 45 kL? 5. How many kg is 134 cg? 6. How many m are in 72 km?