Chapter 3 Operations With Decimals Worksheet Page 11
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13Round each decimal to the indicated place-value position.
13.419; hundredths
0.27838; ten-thousandths
a.
b.
3
PEANUTS
Refer to the information at the left. To the nearest cent,
how much did U.S. farmers receive for each pound of peanuts
produced in 2006?
There are 100 cents in a dollar. So, rounding to the nearest cent
means to round to the nearest hundredth.
Underline the digit in the
hundredths place.
0.179
Then look at the digit to the right.
The digit is greater than 5. So, add
one to the underlined digit.
To the nearest cent, the average price is $0.18.
Real-World Link
On average, U.S.
farmers received
$0.179 for each
pound of peanuts
PASTA
A box of uncooked spaghetti costs $0.1369 per ounce.
c.
they produced in
How much is this to the nearest cent?
2006.
Source: Farm Service Agency
ANIMALS
An Arabian camel averages 3.45 meters tall. Round
d.
3.45 to the nearest meter.
Examples 1, 2
Round each decimal to the indicated place-value position.
(p. 146)
0.329; tenths
1.75; ones
1.
2.
45.522; hundredths
0.5888; thousandths
3.
4.
7.67597; ten-thousandths
34.59; tens
5.
6.
ANALYZE TABLES
The 100-meter
Example 3
7.
Runner
Time (s)
(p. 147)
dash times for the Jackson
Jacob
11.92
Middle School boys’ track team
Marquez
11.96
are shown in the table. To the
11.84
Alan
nearest tenth, what is the time
11.87
Tyrese
for each runner?
GASOLINE
On May 15, 2007, the average price of a gallon of unleaded
Example 3
8.
(p. 147)
gasoline in North Carolina was $2.969. How much is this to the
nearest cent?
147
Lesson 3-3 Rounding Decimals
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