North Seattle Community College Computer Based Mathematics

North Seattle Community College
Computer Based Mathematics Instruction
Math 081
These are the test reviews for Math 081. Please click on a bookmarked heading
on the left to access individual reviews.
Check the Math 081 calendar for test dates.
Math081: Basic Mathematics
Name: ___________________________
Test 1 Review
Date:______________ Score: ________
Instructions:
1.
2.
3.
4.
Topics F1.1 – F2.2
No calculator use on this test.
To achieve full credit, all necessary work must be shown. Place your work in the space
provided, and write the final answer in the answer space corresponding to the question.
902
+ 1,586
566,164
− 26,615
The balance in a savings account is $12,200. If $948 is withdrawn, how
much money is left in the account?
45
× 59
5.
Divide; write the answer with a remainder.
6.
Write the prime factors of 28.
778 45,916
Math 081 Test 1 Review
7.
8.
9.
10.
11.
12.
13.
page 2
Write 360 as a product of primes.
Kevin makes loan payments of $320 each month for 24 months. What is
the total amount of money paid?
Round 31,744,381 to the ten thousands place.
Alice’s annual salary of $15,720 is paid in 12 equal monthly payments.
How much does Alice receive each month?
2 3 ⋅ 32
8 × (4 + 5)
36 ÷ 6 ⋅ 6 + 7 − 3
14.
Reduce
6
to lowest terms.
9
Math 081 Test 1 Review
15.
16.
Express the ratio 20 to 55 as a fraction in lowest terms.
What is the value of
17.
Write 3
18.
19.
Write
∗?
37
as a mixed number.
6
5
6
7
2
×
×
7
4
21
7
4
5
7
×
×
5
14
15
21.
6
*
=
9
27
5
as an improper fraction.
9
12
4
×
5
9
20.
22.
page 3
Find the reciprocal of
10
.
17
Math 081 Test 1 Review
23.
page 4
16
4
÷
7
8
24.
1
5
3
÷ 3
7
28
25.
A boat that normally sells for $6480 is put on sale at
price. What is the amount of discount on the boat?
26.
27.
11
13
+
18
18
1
2
+
6 21
28.
8
29.
30.
10
9
− 5
13
13
1
6
15 – 1
4
7
FG 1 + 3IJ FG 8 – 1IJ
H 5 7 K H 35 5K
2
off the regular
9
Math 081 Test 1 Review
page 5
Answers:
1.
2488
11.
72
21.
13
10
2.
539,549
12.
72
22.
17
10
3.
$11,252
13.
40
23.
4.
2655
14.
2
3
24.
16
29
5.
59 R 14
15.
4
11
25.
$1440
6.
2, 7
16.
18
26.
7.
2 3 × 32 × 5
17.
32
9
27.
8.
$7680
18.
1
6
28.
9.
31,740,000
19.
1
15
29.
10.
$1310
20.
6
1
41
42
30.
4
1
4
7
1
3
11
42
3
1
13
13
11
28
22
1225
Math 081: Basic Mathematics
Name: ___________________________
Test 2 Review
Date:______________ Score: ________
Instructions:
1.
2.
Topics F2.3 – F3.2
To achieve full credit, all necessary work must be shown. Place your work in the space
provided, and write the final answer in the answer space corresponding to the question.
Write the expression five and forty-six ten-thousandths as a decimal.
Insert <, >, or = to form a true statement:
10.315
3.
4.
5.
6.
Round 549.851 to the nearest hundredth.
Write 0.054 as a reduced fraction.
Write 3.45 as a reduced fraction.
Round $1522.287 to the nearest cent.
7.
8.
10.307
Write
8
as a decimal.
1000
Write
7
as a decimal.
16
Math 081 Test 2 Review
page 2
9.
Find the decimal equivalent of
23
.
33
10.
Solve: x + 2.9 = 6.9
11.
Nan has saved $181.96 toward the purchase of a television that costs
$248.80. How much more must Nan save in order to buy the
television?
12.
Simplify: 4.5 × 18
. + 14
. ÷ 2.0
13.
The male to female ratio in France is 46 to 54. Write this ratio as a
fraction in reduced form.
14.
Write the following as a rate in lowest terms: 77 calories for 99
crackers.
15.
Which of the following is NOT equal to the ratio 18 to 63?
[A] 2:7
16.
[B]
7
2
[C] 16:56
[D]
2
7
Approximate each unit price to decide which is the better buy:
$5.00 for 4 cans of salsa or $13.86 for 11 cans of salsa
Math 081 Test 2 Review
17.
Express the rate as a unit rate: $23.25 for 15 plates
18.
Solve:
19.
page 3
c
9
=
20 15
Write 18% as a decimal.
20.
Write 60
21.
11
% as a decimal.
25
1
3
Write 33 % as a reduced fraction.
22.
Write 0.82 as a percent.
23.
Write 1
7
as a percent.
20
Math 081 Test 2 Review
24.
25.
26.
page 4
The regular price of a dress is $60. It is on sale at 22% off. What is
the sale price?
A store buys sweaters for $12 each and marks them up by 45% for
retail sale. What is the retail price of each of the sweaters?
1
2
Find 30 % of 80.
27.
28.
29.
30.
6 is what percent of 30?
Find a number so that 75% of it is 30.
What is the salesperson’s commission on a $600 sale if the
commission rate is 20%?
Jamie bought a pair of boots priced at $20.00. If the sales tax rate in
Jamie’s state is 7%, what is the total price of the boots?
Math 081 Test 2 Review
page 5
Answers
1.
5.0046
11.
$66.84
21.
1
3
2.
10.315 > 10.307
12.
8.8
22.
82%
3.
549.85
13.
23
27
23.
135%
4.
27
500
14.
7 calories
9 crackers
24.
$46.80
9
20
15.
25.
$17.40
5.
3
7
2
B
6.
$1522.29
16.
$5.00 for 4 cans of salsa
26.
24.4
7.
0.008
17.
$1.55 per plate
27.
20%
8.
0.4375
18.
12
28.
40
9.
0.69
19.
0.18
29.
$120
20.
0.6044
30.
$21.40
10.
4
Math081: Basic Mathematics
Name: ___________________________
Test 3 Review
Date:______________ Score: ________
Instructions:
Topics F4.1 – F4.2
To achieve full credit, all necessary work must be shown. Place your work in the space
provided, and write the final answer in the answer space corresponding to the question.
Perform the indicated operation and simplify.
1.
2.
True or false: 7 ≤ –2
− 7
3.
–17 + 8
4.
(–6) + 5 + (–6)
5.
−
FG IJ
H K
1
1
+ −
9
6
6.
–17 − (–2)
7.
–2.2 − (–6.6)
8.
Solve: x + 9 = 7
9.
Solve: x + 4.1 = 6.9
10.
–3 ⋅ (–42)
Math 081 Test 3 Review
11.
12.
(–4)(5)(–7)
−
FG 18 IJ
H – 3K
13.
−8
14.
( −4)
15.
(– 4.6)(4.2)
16.
17.
18.
19.
−
2
2
FG IJ
H K
4
2
÷ −
7
7
Solve: –3.6x = –1.944
Solve:
3
x = –21
7
– (–9) − 5(6 − 5)
page 2
Math 081 Test 3 Review
page 3
20.
3 − (– 2) ⋅ 9
22.
128 ÷
23.
5(–5 + 4)
24.
(− 4 y) + 1 + 2 x + 8 y − (− 6x)
25.
4x + 8 x − 7
b 4 ⋅ 4 ÷ 2g
b g
Answers
1.
2.
3.
false
-7
-9
4.
5.
–7
-
−
6.
7.
8.
9.
5
18
–15
4.4
–2
2.8
10
11.
12.
13.
14.
15.
16.
17.
126
140
6
– 64
16
–19.32
2
0.54
18.
19.
20.
21.
22.
23.
24.
25.
– 49
4
21
6
16
–5
8x + 4 y + 1
12x - 56
Math081: Basic Mathematics
Test 4 Review
Instructions:
:
Name:_______________________________
(Use π = 3.14 )
Topics F5.1 – F6.2
Date:______________ Score: ____________
To achieve full credit, all necessary work must be shown. Place your work in the space
provided, and write the final answer in the answer space corresponding to the question.
1.
Classify the angle below.
2.
If ∠ A and ∠ B are complementary angles and m ∠ A = 63 0 , find
m∠B.
3.
The supplement of an angle is 580 . What is the angle?
4.
Find m ∠ 1 in the figure below. PQ and RS are parallel.
P
56° Q
1
R
5.
S
A wooden fence is to be built around a 36 m-by-40 m lot. How many
meters of fencing will be needed? If the wood for the fence costs
$27.50 per meter, what will the wood for the fence cost?
Math 081 Test 4 Review
6.
page 2
Find the area of the composite figure.
6m
4m
7.
Find the area of the shaded region.
12 cm
8.
Find the area.
6.5 yd
38 yd
9.
Find the area.
81 yd
75 yd
10.
Find the area.
3.5 dm
5 dm
13.5 dm
65 yd
Math 081 Test 4 Review
11.
page 3
Find the area.
3.5 m
12.
Find the area of the region shown.
14 ft
11 ft
14 ft
14 ft
14 ft
14 ft
14 ft
14 ft
13.
Find the volume of the rectangular prism.
1.6 cm
13 cm
5 cm
14.
Find the volume of the cone.
9m
7m
Math 081 Test 4 Review
15.
page 4
Find the volume of the circular cylinder.
3 in.
9 in.
16.
Given the right triangle below, what is the length of the hypotenuse?
7 cm
24 cm
17.
Convert 138 inches to feet and inches.
18.
Convert 180 ounces to pounds and ounces.
19.
Complete: 75.8 mm = ______ cm
20.
Complete: 3 m = ____ dm
21.
Convert 5 ° Celsius to degrees Fahrenheit.
Math 081 Test 4 Review
22.
23.
page 5
Convert 86 ° Fahrenheit to degrees Celsius.
What is the mean in the following sample?
9, 9, 4, 16, 12, 23, 2, 9, 14, 5, 18
24.
What is the mode in the following sample?
15, 18, 28, 24, 18, 13, 18, 5, 25, 16
25.
What is the median in the following sample?
7, 2, 16, 12, 11, 22, 8, 10, 9, 20, 3
Answers
1.
obtuse
10
42.5 dm 2
18.
11 pounds 4 ounces
2.
27°
11.
19.
7.58 cm
3.
122°
12.
38.465 m 2 ,
2
12.25 π m
350 ft 2
20.
30 dm
4.
124°
13.
104 cm 3
21.
41 ° F
5.
152 m, $4,180.00
14.
461.58 m3
22.
30 ° C
6.
36.56 m2
15.
81 π in.3 , 254.34 in.3
23.
11
7.
41.04 cm 2
16.
25 cm
24.
18
8.
123.5 yd 2
17.
11 feet, 6 inches
25.
10
9.
5265 yd 2
Math 081 Test 4 Review
page 6