Computation & Estimation
Math 7
Note
• On an SOL test students would not be allowed
to use calculators for this section.
Harrison is buying a bicycle for $340.
What amount of sales tax must he pay if
the sales tax rate is 7%?
A.
B.
C.
D.
$7.00
$23.80
$24.60
$238.00
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2
3
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5
6
7
8
9
10
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24
25
26
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29
30
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12
25%
25%
25%
13
15
17
$7.00
14
$23.80
16
18
$24.60
25%
19
20
$238.00
Jack spent 30% of the money he earned
mowing lawns last summer. If Jack spent $45,
what was the total amount of money he
earned mowing lawns last summer?
A.
B.
C.
D.
25%
$15
$75
$150
$195
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7
8
9
10
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22
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24
25
26
27
28
29
30
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12
13
$15
14
25%
15
16
$75
25%
17
18
$150
25%
19
20
$195
Mike is making a scale model of his favorite car. The
actual car is 8 feet long and 4 feet wide. Mike wants
his model to be 12 inches in length. Which could be
used to find the width of his model if he uses the
same ratio?
D.
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8
9
10
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29
30
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15
A
1
25%
16
17
25%
18
25%
19
20
D
C.
25%
C
B.
B
A.
Anita put $3,000 in a savings account. The
account earns an annual interest rate of
3.5%. How much interest will Anita earn
after her money has been in the account for
one year?
25%
A.
B.
C.
D.
25%
25%
25%
$105
$350
$1,050
$2,650
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7
8
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10
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29
30
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12
13
14
$105
15
16
$350
17
18
$1,050
19
20
$2,650
Joe knows a 5-pound turkey breast will feed 8
people. If 20 people are coming to Joe’s home
for dinner, at this rate how many pounds of
turkey breast will he need?
6
7
8
9
10
21
22
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24
25
26
27
28
29
30
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12
13
14
15
16
17
18
25%
19
20
lb
s
5
25%
32
4
lb
s
3
12
.5
2
lb
s
1
25%
lb
s
25%
17
7.5 lbs
12.5 lbs
17 lbs
32 lbs
7.
5
A.
B.
C.
D.
A dolphin is 30 feet below the surface of the
water. She rises 23 feet, sinks 17 feet, and
finally rises another 27 feet. If there are no
other changes, the dolphin is —
A. 3 feet above the surface of the
water
B. 3 feet below the surface of the
water
C. 63 feet above the surface of the
water
D. 63 feet below the surface of the
water
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26
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29
30
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13
16
he
et
17
c..
.
su
rfa
th
e
su
r
su
rfa
th
e
ow
15
fa
c. .
.
..
ce
..
fa
ce
su
r
th
e
14
fe
et
be
lo
w
10
18
63
9
bo
v
8
fe
et
a
7
63
6
tb
el
5
3f
ee
4
bo
ve
3
ta
2
3f
ee
1
25% 25% 25% 25%
19
20
Use the number line to complete the
sentence. The value of y/z will be —
A. negative because both y and z are
negative
B. positive because both y and z are
negative
C. negative because z is farther from
0 than y
D. positive because y is closer to 0
than z
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25
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29
30
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17
lo
s. .
...
yi
sc
sf
ar
ec
18
se
au
se
se
zi
bo
th
y.
..
bo
th
au
se
15
be
ca
u
22
12
ve
21
11
po
sit
i
10
eb
9
at
iv
8
ne
g
7
be
ca
u
6
ve
5
po
sit
i
ec
4
eb
3
at
iv
2
ne
g
1
y..
.
25% 25% 25% 25%
19
20
Ralph’s map of Virginia Beach uses a scale of 1 inch
for every 7 miles. Ralph runs a distance of 13.2 miles
from his house in Virginia Beach every weekend.
Which is closest to the number of inches needed to
represent this distance on Ralph’s map?
10
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29
30
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12
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20
es
9
in
ch
8
1.
9
7
25%
es
6
25%
in
ch
5
in
ch
4
7.
0
3
es
2
in
ch
1
25%
6.
2
25%
es
7.2 inches
7.0 inches
6.2 inches
1.9 inches
7.
2
A.
B.
C.
D.
Max surveyed students on his website and asked each to
select 1 favorite after-school activity. The percents of the
total number of students who responded for each activity
are shown in the table. If 126 students selected watching
movies, how many total students responded to Max’s
survey?
3
4
5
6
7
8
9
10
21
22
23
24
25
26
27
28
29
30
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12
13
14
15
16
17
18
19
25%
20
22
68
2
25%
70
0
1
25%
14
4
108
144
700
2,268
10
8
A.
B.
C.
D.
25%
A jug of drinking water contained 1½
gallons. After one day, ⅝ gallon had been
used. How much water was left in the jug?
A.
B.
C.
D.
½ gallon
⅞ gallon
1 ⅔ gallons
1 ⅛ gallons
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10
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29
30
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19
20
Kevin mixes paint using 8 ounces of
yellow paint for every 3 ounces of white
paint. At this rate, how many ounces of
white paint would be mixed with 24
ounces of yellow paint?
2
3
4
5
6
7
8
9
10
21
22
23
24
25
26
27
28
29
30
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12
13
14
15
16
17
25%
18
19
25%
20
64
1
25%
19
25%
9
8
9
19
64
8
A.
B.
C.
D.
Lynne loaned $480 to a friend. The friend
paid back the amount borrowed plus 10%
interest. What was the total amount the
friend paid to Lynne?
A.
B.
C.
D.
$480.10
$484.80
$490.00
$528.00
25%
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2
3
4
5
6
7
8
9
10
21
22
23
24
25
26
27
28
29
30
11
12
13
14
$480.10
15
25%
16
$484.80
25%
17
18
$490.00
25%
19
20
$528.00
Eli can type 1 page in 10 minutes. How
many total pages can he type in one hour?
25%
25%
25%
1
6
10
60
4
5
6
7
8
9
10
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22
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24
25
26
27
28
29
30
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12
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16
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18
19
60
3
10
2
1
1
6
A.
B.
C.
D.
25%
20
The change in the number of students enrolled at a
school over six months is shown in the following
table. The number of students enrolled at the end of
September was 4,327. What was the number of
students enrolled in the school at the end of March?
3
4
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7
8
9
10
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22
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24
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26
27
28
29
30
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12
13
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15
16
17
18
25%
19
20
43
52
2
25%
43
25
1
25%
43
00
25%
4,275
4,300
4,325
4,352
42
75
A.
B.
C.
D.