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Math Problems
Grade 7
Percent error: word problems
Maya measured a line to be
11
11
11
.
1
1
1
inches long. If the actual length of the line is
11
11
11
.
8
8
8
inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
\newline
Answer: ______
%
\%
%
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Hailey measured a line to be
10
10
10
.
4
4
4
inches long. If the actual length of the line is
10
10
10
.
3
3
3
inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
\newline
Answer:_________
%
\%
%
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Riley measured a line to be
4
4
4
.
9
9
9
inches long. If the actual length of the line is
5
5
5
inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
\newline
Answer: _________
%
\%
%
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Aubrey measured a line to be
16
16
16
.
8
8
8
inches long. If the actual length of the line is
16
16
16
.
5
5
5
inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
\newline
Answer: ___________
%
\%
%
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Lily measured a line to be
8
8
8
.
4
4
4
inches long. If the actual length of the line is
8
8
8
.
7
7
7
inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
\newline
Answer: ____
%
\%
%
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Olivia measured a line to be
2
2
2
.
2
2
2
inches long. If the actual length of the line is
2
2
2
.
3
3
3
inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
\newline
Answer: _______
%
\%
%
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Ashley measured a line to be
6
6
6
.
3
3
3
inches long. If the actual length of the line is
6
6
6
.
4
4
4
inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
\newline
Answer: ________
%
\%
%
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Kayden measured a line to be
18
18
18
.
1
1
1
inches long. If the actual length of the line is
19
19
19
.
2
2
2
inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
\newline
Answer: ______
%
\%
%
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Ellie measured a line to be
11
11
11
.
9
9
9
inches long. If the actual length of the line is
11
11
11
.
6
6
6
inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
\newline
Answer:_______
%
\%
%
Get tutor help
Ella measured a line to be
5
5
5
.
7
7
7
inches long. If the actual length of the line is
5
5
5
.
6
6
6
inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
\newline
Answer:________
%
\%
%
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Bella measured a line to be
14
14
14
.
7
7
7
inches long. If the actual length of the line is
19
19
19
.
5
5
5
inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
\newline
Answer: ________-
%
\%
%
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Gianna measured a line to be
19
19
19
inches long. If the actual length of the line is
17
17
17
.
1
1
1
inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
\newline
Answer:__________
%
\%
%
Get tutor help
Leah measured a line to be
15
15
15
.
9
9
9
inches long. If the actual length of the line is
14
14
14
.
8
8
8
inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
\newline
Answer:__________
%
\%
%
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Xavier measured a line to be
15
15
15
.
2
2
2
inches long. If the actual length of the line is
14
14
14
.
9
9
9
inches, then what was the percent error of the measurement, to the nearest tenth of a percent?
\newline
Answer:________
%
\%
%
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Alex measures a line to be
7.89
c
m
7.89 \mathrm{~cm}
7.89
cm
long. If the actual measurement is
8
c
m
8 \mathrm{~cm}
8
cm
, find Alex's relative error to the nearest thousandth.
\newline
Answer:
Get tutor help
David measures a line to be
7.6
f
t
7.6 \mathrm{ft}
7.6
ft
long. If the actual measurement is
8
f
t
8 \mathrm{ft}
8
ft
, find David's relative error to the nearest thousandth.
\newline
Answer:
Get tutor help
Bob measures a line to be
7.7
f
t
7.7 \mathrm{ft}
7.7
ft
long. If the actual measurement is
8
f
t
8 \mathrm{ft}
8
ft
, find Bob's relative error to the nearest thousandth.
\newline
Answer:
Get tutor help
Alex measures a line to be
4.25
c
m
4.25 \mathrm{~cm}
4.25
cm
long. If the actual measurement is
4
c
m
4 \mathrm{~cm}
4
cm
, find Alex's relative error to the nearest thousandth.
\newline
Answer:
Get tutor help
Alex measures a line to be
7
7
7
.
99
99
99
in long. If the actual measurement is
8
8
8
in, find Alex's relative error to the nearest thousandth.
\newline
Answer:
Get tutor help
Bob measures a line to be
2
2
2
.
4
4
4
in long. If the actual measurement is
2
2
2
in, find Bob's relative error to the nearest thousandth.
\newline
Answer:
Get tutor help
David measures a line to be
8
8
8
.
33
33
33
in long. If the actual measurement is
8
8
8
in, find David's relative error to the nearest thousandth.
\newline
Answer:
Get tutor help
Bob measures a line to be
8.4
f
t
8.4 \mathrm{ft}
8.4
ft
long. If the actual measurement is
8
f
t
8 \mathrm{ft}
8
ft
, find Bob's relative error to the nearest thousandth.
\newline
Answer:
Get tutor help
Carter measures a line to be
9.44
f
t
9.44 \mathrm{ft}
9.44
ft
long. If the actual measurement is
9
f
t
9 \mathrm{ft}
9
ft
, find Carter's relative error to the nearest thousandth.
\newline
Answer:
Get tutor help
Alex measures a line to be
6.62
f
t
6.62 \mathrm{ft}
6.62
ft
long. If the actual measurement is
7
f
t
7 \mathrm{ft}
7
ft
, find Alex's relative error to the nearest thousandth.
\newline
Answer:
Get tutor help
177
177
177
is what percent of
128
128
128
? Round to the nearest thousandth.
\newline
Answer:
□
\square
□
%
\%
%
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One year, the population of a city was
234
234
234
,
000
000
000
. Several years later it was
252
252
252
,
720
720
720
.
\newline
Find the percent increase.
\newline
Answer: ________
%
\%
%
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Tyshawn has a loyalty card good for a discount at his local hardware store. The item he wants to buy is priced at
$
19
\$ 19
$19
, before discount and tax. After the discount, and before tax, the price is
$
18.05
\$ 18.05
$18.05
. Find the percent discount.
\newline
Answer:_____
%
\%
%
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Carlos went shopping for a new pair of pants. Sales tax where he lives is
8.75
%
8.75 \%
8.75%
. The price of the pair of pants is
$
40
\$ 40
$40
. Find the total price including tax. Round to the nearest cent.
\newline
Answer:
$
\$
$
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The actual dimensions of a rectangle are
4
f
t
4 \mathrm{ft}
4
ft
by
2
f
t
2 \mathrm{ft}
2
ft
. David measures the sides to be
3.66
f
t
3.66 \mathrm{ft}
3.66
ft
by
1.79
f
t
1.79 \mathrm{ft}
1.79
ft
. In calculating the area, what is the relative error, to the nearest hundredth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
6
6
6
in by
10
10
10
in. Eric measures the sides to be
5
5
5
.
85
85
85
in by
10
10
10
in. In calculating the area, what is the relative error, to the nearest thousandth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
10
f
t
10 \mathrm{ft}
10
ft
by
10
f
t
10 \mathrm{ft}
10
ft
. Alex measures the sides to be
9.85
f
t
9.85 \mathrm{ft}
9.85
ft
by
9.59
f
t
9.59 \mathrm{ft}
9.59
ft
. In calculating the area, what is the relative error, to the nearest thousandth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
6
f
t
6 \mathrm{ft}
6
ft
by
10
f
t
10 \mathrm{ft}
10
ft
. David measures the sides to be
6.23
f
t
6.23 \mathrm{ft}
6.23
ft
by
9.78
f
t
9.78 \mathrm{ft}
9.78
ft
. In calculating the area, what is the relative error, to the nearest thousandth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
9
c
m
9 \mathrm{~cm}
9
cm
by
6
c
m
6 \mathrm{~cm}
6
cm
. Alex measures the sides to be
9.41
c
m
9.41 \mathrm{~cm}
9.41
cm
by
6.3
c
m
6.3 \mathrm{~cm}
6.3
cm
. In calculating the area, what is the relative error, to the nearest hundredth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
5
5
5
in by
9
9
9
in. Eric measures the sides to be
4
4
4
.
64
64
64
in by
8
8
8
.
92
92
92
in. In calculating the area, what is the relative error, to the nearest thousandth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
8
c
m
8 \mathrm{~cm}
8
cm
by
4
c
m
4 \mathrm{~cm}
4
cm
. David measures the sides to be
8.37
c
m
8.37 \mathrm{~cm}
8.37
cm
by
4.27
c
m
4.27 \mathrm{~cm}
4.27
cm
. In calculating the area, what is the relative error, to the nearest hundredth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
3
c
m
3 \mathrm{~cm}
3
cm
by
9
c
m
9 \mathrm{~cm}
9
cm
. Alex measures the sides to be
3.29
c
m
3.29 \mathrm{~cm}
3.29
cm
by
9.22
c
m
9.22 \mathrm{~cm}
9.22
cm
. In calculating the area, what is the relative error, to the nearest thousandth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
6
f
t
6 \mathrm{ft}
6
ft
by
2
f
t
2 \mathrm{ft}
2
ft
. Alex measures the sides to be
6.22
f
t
6.22 \mathrm{ft}
6.22
ft
by
1.68
f
t
1.68 \mathrm{ft}
1.68
ft
. In calculating the area, what is the relative error, to the nearest hundredth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
10
c
m
10 \mathrm{~cm}
10
cm
by
10
c
m
10 \mathrm{~cm}
10
cm
. Alex measures the sides to be
9.75
c
m
9.75 \mathrm{~cm}
9.75
cm
by
9.66
c
m
9.66 \mathrm{~cm}
9.66
cm
. In calculating the area, what is the relative error, to the nearest hundredth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
5
f
t
5 \mathrm{ft}
5
ft
by
3
f
t
3 \mathrm{ft}
3
ft
. Eric measures the sides to be
4.99
f
t
4.99 \mathrm{ft}
4.99
ft
by
3.36
f
t
3.36 \mathrm{ft}
3.36
ft
. In calculating the area, what is the relative error, to the nearest thousandth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
9
f
t
9 \mathrm{ft}
9
ft
by
6
f
t
6 \mathrm{ft}
6
ft
. Bob measures the sides to be
8.62
f
t
8.62 \mathrm{ft}
8.62
ft
by
5.88
f
t
5.88 \mathrm{ft}
5.88
ft
. In calculating the area, what is the relative error, to the nearest hundredth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
3
c
m
3 \mathrm{~cm}
3
cm
by
3
c
m
3 \mathrm{~cm}
3
cm
. Carter measures the sides to be
2.75
c
m
2.75 \mathrm{~cm}
2.75
cm
by
2.78
c
m
2.78 \mathrm{~cm}
2.78
cm
. In calculating the area, what is the relative error, to the nearest hundredth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
7
7
7
in by
2
i
n
2 \mathrm{in}
2
in
. Eric measures the sides to be
7
7
7
.
31
31
31
in by
1
1
1
.
91
91
91
in. In calculating the area, what is the relative error, to the nearest thousandth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
4
4
4
in by
9
9
9
in. Eric measures the sides to be
3
3
3
.
87
87
87
in by
9
9
9
.
22
22
22
in. In calculating the area, what is the relative error, to the nearest thousandth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
3
c
m
3 \mathrm{~cm}
3
cm
by
2
c
m
2 \mathrm{~cm}
2
cm
. Eric measures the sides to be
3.49
c
m
3.49 \mathrm{~cm}
3.49
cm
by
2.13
c
m
2.13 \mathrm{~cm}
2.13
cm
. In calculating the area, what is the relative error, to the nearest thousandth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
10
c
m
10 \mathrm{~cm}
10
cm
by
6
c
m
6 \mathrm{~cm}
6
cm
. David measures the sides to be
9.68
c
m
9.68 \mathrm{~cm}
9.68
cm
by
6.04
c
m
6.04 \mathrm{~cm}
6.04
cm
. In calculating the area, what is the relative error, to the nearest hundredth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
9
c
m
9 \mathrm{~cm}
9
cm
by
10
c
m
10 \mathrm{~cm}
10
cm
. Alex measures the sides to be
8.65
c
m
8.65 \mathrm{~cm}
8.65
cm
by
10.29
c
m
10.29 \mathrm{~cm}
10.29
cm
. In calculating the area, what is the relative error, to the nearest thousandth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
6
6
6
in by
4
i
n
4 \mathrm{in}
4
in
. Carter measures the sides to be
5
5
5
.
75
75
75
in by
3.59
i
n
3.59 \mathrm{in}
3.59
in
. In calculating the area, what is the relative error, to the nearest hundredth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
9
f
t
9 \mathrm{ft}
9
ft
by
6
f
t
6 \mathrm{ft}
6
ft
. Eric measures the sides to be
8.91
f
t
8.91 \mathrm{ft}
8.91
ft
by
6.22
f
t
6.22 \mathrm{ft}
6.22
ft
. In calculating the area, what is the relative error, to the nearest hundredth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
3
c
m
3 \mathrm{~cm}
3
cm
by
7
c
m
7 \mathrm{~cm}
7
cm
. Carter measures the sides to be
3.17
c
m
3.17 \mathrm{~cm}
3.17
cm
by
7.32
c
m
7.32 \mathrm{~cm}
7.32
cm
. In calculating the area, what is the relative error, to the nearest thousandth.
\newline
Answer:
Get tutor help
The actual dimensions of a rectangle are
6
c
m
6 \mathrm{~cm}
6
cm
by
10
c
m
10 \mathrm{~cm}
10
cm
. David measures the sides to be
5.6
c
m
5.6 \mathrm{~cm}
5.6
cm
by
10.46
c
m
10.46 \mathrm{~cm}
10.46
cm
. In calculating the area, what is the relative error, to the nearest thousandth.
\newline
Answer:
Get tutor help
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