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Worksheets6.1-6.4 Review
Total questions: 21
Worksheet time: 1hrs 23mins
Name
Class
Date
1.
Choose the best estimate for 75% of $317.99 (NO CALCULATOR)
a)
$24
b)
$120
c)
$240
d)
$300
2.
Choose the best estimate for 60% of $397.99. (NO CALCULATOR)
a)
$120
b)
$240
c)
$360
d)
$200
3.
Choose the best estimate for 31% of 60
(NO CALCULATOR)
(NO CALCULATOR)
a)
2
b)
20
c)
3
d)
30
4.
Choose the best estimate for 110% of $801.50 (NO CALCULATOR)
a)
$88
b)
$950
c)
$880
d)
$95
5.
Choose the best estimate for 35% of 40 (NO CALCULATOR)
a)
12
b)
14
c)
16
d)
35
6.
120% of what number is 72?
a)
120
b)
60
c)
75
d)
100
7.
Compare using < or > or =
80% of 60 _____ 60% of 80
80% of 60 _____ 60% of 80
a)
>
b)
<
c)
=
8.
16 is 25% of what number?
a)
4
b)
8
c)
32
d)
64
9.
The movie theater has 250 seats. 225 seats were sold for the current showing. What percent of seats are empty?
a)
10%
b)
20%
c)
80%
d)
90%
10.
200 children attended the school play. Of the total attendance, 40% were boys. How many girls attended the school play?
a)
800
b)
180
c)
80
d)
120
11.
Manuel found a wrecked car that he could fix. He bought the car for 65% of the original price of $7200. What did he pay for the car?
a)
$7,200
b)
$11,076.92
c)
$8,250
d)
$4,680
12.
Zach's term paper is 18 pages long. If Katelyn's paper is 175% of the length of Zach's paper, find the length of Katelyn's paper.
a)
31.5 pages
b)
10.3 pages
c)
36 pages
d)
18 pages
13.
Change 13½% to a fraction in simplest form. No Calculator
a)
1 7/20
b)
27/200
c)
13.5/100
d)
135/1000
14.
Compare 83% and 5/6. No Calculator. You will need to show how you know on an asse.ssment
a)
83% > 5/6
b)
83% < 5/6
c)
83% = 5/6
15.
Order the four numbers below least to greatest. No Calculator. Show how you know.
2, 8/9, 195%, 0.88
2, 8/9, 195%, 0.88
a)
2, 8/9, 195%, 0.88
b)
0.88, 8/9, 2, 195%
c)
0.88, 8/9, 195%, 2
d)
8/9, 0.88, 195%, 2
16.
Order the four numbers below least to greatest. No Calculator. Show how you know.
1/5, 100%, 26 2/3%, 0.3
1/5, 100%, 26 2/3%, 0.3
a)
1/5, 26 2/3%, 0.3, 100%
b)
1/5, 0.3, 26 2/3%, 100%
c)
0.3, 1/5, 26 2/3%, 100%
d)
100%, 0.3, 26 2/3%, 1/5
17.
444 is about what percent of 164?
a)
About 36.9
b)
About 36.9%
c)
About 270.7
d)
About 270.7%
18.
The Alabama River is 729 miles in length or about 31% of the length of the Mississippi River? Round to the nearest mile.
a)
About 2351 miles
b)
About 225 miles
c)
About 2352 miles
d)
About 226 miles
19.
A molecule of ammonia is made up of 3 atoms of hydrogen and 1 atom of nitrogen. What percent of the atoms of an ammonia molecule are hydrogen?
a)
3%
b)
33.3%
c)
75%
d)
25%
20.
A certain rock is a compound of several minerals. Tests show that the sample contains 17.3 grams of quartz. If 27.5% of the rock is quartz, find the mass in grams of the entire rock.
a)
about 62.9 grams
b)
about 4.5 grams
c)
about 17.3 grams
d)
about 475.8 grams
21.
Mt. McKinley in Alaska is 20,320 feet tall. The height of Mt. Everest is about 143% of the height of Mt. McKinley. Estimate the height of Mt. Everest. Round to the nearest thousand.
a)
About 29058 ft
b)
About 14,000 ft
c)
About 14,210 ft
d)
About 29,000 ft
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