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Patterns in Measurement Systems. Converting in and between the Metric and Customary Systems. The Customary System. Length. 12 in = 1 ft. 3 ft = 1 yd. 1760 yd = 1 mi. × 12. × 3. × 1760. in. ft. yd. mi. ÷ 12. ÷ 3. ÷ 1760. Capacity. 8 fl oz = 1 c. 2 c = 1 pt. 2 pt = 1 qt.
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Patterns in Measurement Systems Converting in and between the Metric and Customary Systems
Length 12 in = 1 ft 3 ft = 1 yd 1760 yd = 1 mi × 12 × 3 × 1760 in ft yd mi ÷ 12 ÷ 3 ÷ 1760
Capacity 8 fl oz = 1 c 2 c = 1 pt 2 pt = 1 qt 4 qt = 1 gal × 8 × 2 × 2 × 4 fl oz c pt qt gal ÷ 8 ÷ 2 ÷ 2 ÷ 4
Weight 16 oz = 1 lb 2000 lb = 1 T × 16 × 2000 oz lb T ÷ 16 ÷ 2000
60 sec = 1 min Time 60 min = 1 hr 24 hr = 1 d 7 d = 1 wk × 60 × 60 × 24 × 7 × 52 sec min hr day wk yr ÷ 60 ÷ 60 ÷ 24 ÷ 7 ÷ 52 ÷ 60
The metric system measures length, mass and capacity. • length meters • mass grams • capacity liter length mass capacity
Metric System Prefixes. • kilo- 1,000 • hecto- 100 • deka- 10 • unit 1 • deci- 0.1 • centi- 0.01 • milli- 0.001
× 1,000 × 100 × 10 km m cm mm ÷ 1,000 ÷ 100 ÷ 10 Conversion Shortcut. • Write this down!
kilo- hecto- deka- unit deci- centi- milli- move the decimal to the right as you go down. move the decimal to the left as you go up.
Conversions • If you go up on the chart the decimal will go to the left. • If you go down on the chart the decimal will go to the right.
KingHenryDrankUnhealthyDarkChocolateMilk kilo- hecto- deka- Unit deci- centi- milli-
hecto- centi- deka- milli- deci- kilo- unit K i n g H e n r y D r a n k U n h e a l t h y D a r k C h o c o l a t e M i l k
Converting Weight & Mass 1 kg ~ 2.2 lb. 1 lb. ~ 0.45 kg Length 1 in ~ 2.5 cm 1 cm ~ 0.4 in Capacity 1 L ~ 0.26 gal 1 gal ~ 3.79 L