Measurement Examples And Worksheet - A-64 Appendix 5 Page 31

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A-93
V.3 Converting between American and Metric Units
We can convert between American and metric units of capacity using the rounded
approximations in the following table.
Equivalent Capacities
American to metric
Metric to American
1 fl oz
29.57 mL
1 L
33.81 fl oz
1 pt
0.47 L
1 L
2.11 pt
1 qt
0.95 L
1 L
1.06 qt
1 gal
3.79 L
1 L
0.264 gal
1 liter
1 quart
THINK IT THROUGH
Studying in Other Countries
“Over the past decade, the number of U.S. students studying abroad has more than
doubled.”
From The Open Doors 2008 Report
In 2006/2007, a record number of 241,791 college students received credit for
study abroad. Since students traveling to other countries are almost certain to
come into contact with the metric system of measurement, they need to have a
basic understanding of metric units.
Suppose a student studying overseas needs to purchase the following school
supplies. For each item in red, choose the appropriate metric units.
1
8
in.
11 in. notebook paper:
1.
2
216 meters
279 meters
216 centimeters
279 centimeters
216 millimeters
279 millimeters
2.
A backpack that can hold 20 pounds of books:
9 kilograms
9 grams
9 milligrams
3
fluid ounce bottle of Liquid Paper correction fluid:
3.
4
22.5 hectoliters
2.5 liters
22.2 milliliters
Self Check 5
5
EXAMPLE
Cleaning Supplies
A bottle of window cleaner contains
A student
DRINKING WATER
750 milliliters of solution. Convert this measure to quarts. Round to the nearest
bought a 360-mL bottle of water.
tenth.
Convert this measure to quarts.
Strategy
We will use a two-part multiplication process that converts 750
Round to the nearest tenth.
milliliters to liters, and then converts that result to quarts.
Now Try
Problem 29
WHY
We must use a two-part process because the conversion table at the top of
this page does not contain a single unit conversion factor that converts from
milliliters to quarts.
Solution
Since there is 1 liter for every 1,000 mL, we can convert 750 milliliters to liters by
1 L
multiplying by the unit conversion factor
. Since there are approximately
1,000 mL

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