Page 451 - Basic College Mathematics with Early Integers

428 C HAPTE R 5 I RATIO, PROPORTION, AND MEASUREMENT

Definitions and Concepts Examples

Section 5.5 Weight and Mass: U.S. and Metric Systems of Measurement

Weight is really a measure of the pull of gravity. Mass is a Convert 5 pounds to ounces.
measure of the amount of substance in an object and 5lb 16 oz
#
does not change. 5 lb = 5 lb 1 = # = 80 oz
1 1lb
WEIGHT: U.S. SYSTEM OF MEASUREMENT
16 ounces 1oz2 = 1 pound 11b2
2000 pounds = 1 ton
A gram is the basic unit of mass in the metric system. It is Convert 260 grams to kilograms.
the mass of water contained in a cube 1 centimeter on
260 g 260 g 1 kg
each side.A paper clip weighs about 1 gram. 260 g = # 1 = # = 0.26 kg
1 1 1000 g
MASS: METRIC SYSTEM OF MEASUREMENT or

Metric Unit of Mass kg hg dag g dg cg mg
3 units to the left
1 kilogram 1kg2 = 1000 grams 1g2
1 hectogram 1hg2 = 100 g 260 g =0.260 kg
1 dekagram 1dag2 = 10 g 3 places to the left
1 gram 1g2 = 1 g
1 decigram 1dg2 = 1>10 g or 0.1 g
1 centigram 1cg2 = 1>100 g or 0.01 g
1 milligram 1mg2 = 1>1000 g or 0.001 g

Section 5.6 Capacity: U.S. and Metric Systems of Measurement

CAPACITY: U.S. SYSTEM OF MEASUREMENT Convert 5 pints to gallons.

8 fluid ounces 1fl oz2 = 1 cup 1c2 1 gal = 4 qt = 8 pt
2 cups = 1 pint 1pt2 5pt 1 gal 5
#
5 pt = 5 pt 1 = # = gal
2 pints = 1 quart 1qt2 1 8pt 8
4 quarts = 1 gallon 1gal2

The liter is the basic unit of capacity in the metric sys- Convert 1.5 liters to milliliters.
tem. It is the capacity or volume of a cube measuring
1.5 L 1.5 L 1000 ml
10 centimeters on each side. A liter of liquid is slightly 1.5 L = # 1 = # = 1500 ml
more than 1 quart. 1 1 1L
or
CAPACITY: METRIC SYSTEM OF MEASUREMENT
kl hl dal L dl cl ml
Metric Unit of Capacity 3 units to the right
1 kiloliter 1kl2 = 1000 liters 1L2 1.500 L =1500 ml
Copyright 2012 Pearson Education, Inc.
1 hectoliter 1hl2 = 100 L
3 places to the right
1 dekaliter 1dal2 = 10 L
1 liter 1L2 = 1 L
1 deciliter 1dl2 = 1>10 L or 0.1 L
1 centiliter 1cl2 = 1>100 L or 0.01 L
1 milliliter 1ml2 = 1>1000 L or 0.001 L