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WorksheetsMath 8 Unit 1-5 Review
Total questions: 58
Worksheet time: 3hrs 35mins
Name
Class
Date
1.
The area of a square is 36 cm2. What is the perimeter?
a)
6 cm
b)
24 cm
c)
9 cm
d)
18 cm
2.
The area of a square is 36 cm2. What is the length of one side?
a)
6 cm
b)
24 cm
c)
9 cm
d)
9 cm
3.
What is the perimeter of a square that has an area of 121 ft2?
a)
11 ft
b)
44 ft
c)
30.25 ft
d)
14641 ft
4.
The area of a square is 117 square meters. Which best represents the length of a side of the square?
a)
10.8 m
b)
11 m
c)
10 m
d)
11.2 m
5.
To find the square root of a number, you must divide it by 2.
a)
True
b)
False
6.
Evaluate
√36
√36
a)
6
b)
-9
c)
18
d)
-18
7.
Evaluate √72. Round your answer to the nearest Whole Number.
a)
7.2
b)
7
c)
8
d)
9
8.
02
a)
2
b)
0
c)
12
d)
None of these
9.
√169
a)
13
b)
14
c)
132
d)
142
10.
112
a)
111
b)
121
c)
131
d)
141
11.
103
a)
30
b)
100
c)
1000
d)
3000
12.
13
a)
1
b)
3
c)
13
d)
31
13.
2-3
a)
1/8
b)
1/6
c)
-8
d)
-6
14.
10
a)
0
b)
1
c)
10
15.
The √40 is between which two integers?
a)
7 & 8
b)
6 & 7
c)
5 & 6
d)
4 & 5
16.
Find the volume.
a)
27 m3
b)
27 m2
c)
54 m2
d)
54 m3
17.
Write this fraction as a decimal.
1/9
1/9
a)
9
b)
.111.....
c)
1.9
d)
1.11
18.
Convert 0.444... to a fraction.
a)
4/10
b)
4.4/99
c)
4/9
d)
2/5
19.
Convert 0.252525... to a fraction.
a)
25/9
b)
25/99
c)
25/100
d)
1/4
20.
0.009
a)
9/10
b)
9/100
c)
90/10
d)
9/1000
21.
Convert 0.264 to a fraction.
a)
88/333
b)
66/25
c)
2/9
d)
33/125
22.
Write 4/100 as a decimal
a)
.40
b)
.04
c)
4.4
d)
4
23.
6⋅6⁷
a)
6⁸
b)
6⁶
c)
6⁷
d)
6
24.
(2⁸)²
a)
2¹⁶
b)
2¹⁰
c)
2⁶
d)
2⁴
25.
Anything raised to a power of zero is always:
a)
0
b)
1
c)
itself
d)
negative
26.
n²⋅n⁴⋅n⁵
a)
n¹¹
b)
n⁴⁰
c)
n¹³
d)
n²²
27.
3⁻⁴
a)
1 ⁄ 34
b)
-34
c)
34
d)
1 ⁄ 12
28.
(34x5y6z-7)0
a)
34x5y6 / z7
b)
34x5y6 / x-7
c)
0
d)
1
29.
(3y⁴)²
a)
9y⁸
b)
9y⁶
c)
6y⁸
d)
6y⁶
30.
3x⁻³
a)
1⁄3x³
b)
3⁄x³
c)
3x³
d)
-3x³
31.
Which is equivalent to 5 x 5 x 5 x 5
a)
53
b)
54
c)
45
d)
55
32.
Simplify the exponential expression:
a)
10x-2
b)
2x2
c)
2x12
d)
10x12
33.
How do you write
8.317 x 106
in standard form?
8.317 x 106
in standard form?
a)
8, 371, 000
b)
83, 170, 000
c)
837, 100
d)
8, 317, 000
34.
Express the following in standard notation:
8.025 x 10-8
a)
.00000008025
b)
.000000008025
c)
802,500,000,000
d)
80,250,000,000
35.
Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.
a)
True
b)
False
36.
Scientific Notation is made up of two number parts. The second part is a power of base 10.
a)
True
b)
False
37.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
38.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
39.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
40.
How do you write
1001
in scientific notation?
1001
in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
41.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)
5 x 10-4
c)
5 x 10-3
d)
.5 x 103
42.
Solve:
(2.1×102) × (3.0×104)
(2.1×102) × (3.0×104)
a)
5.1 x 102
b)
6.3 x 106
c)
5.1 x 106
d)
6.3 x 108
43.
Solve:
(6 x 106) / (2 x 103)
(6 x 106) / (2 x 103)
a)
12 x 103
b)
3 x 109
c)
1.2 x 104
d)
3 x 103
44.
Solve:
(9 x 10-6) divided by (3 x 10-3)
(9 x 10-6) divided by (3 x 10-3)
a)
27 x 10-9
b)
3 x 10-3
c)
3 x 10-9
d)
27 x 10-3
45.
Solve:
(2.2 x 10 4) x (7.1x 10 5)
(2.2 x 10 4) x (7.1x 10 5)
a)
1.562 x 1010
b)
15.62 x 109
c)
15.62 x 1020
d)
1.562 x 1020
46.
how would you solve this equation: 9x=153?
a)
multiply
b)
divide
c)
add
d)
subtract
47.
Solve the equation:
-5x = 25
-5x = 25
a)
x = 20
b)
x = -20
c)
x = -5
d)
x = 5
48.
19 + a = -50
a)
a = -950
b)
a = -69
c)
a = -31
d)
a = -50/19
49.
x - 8 = -5
a)
13
b)
-13
c)
3
d)
-3
50.
x + 12 = 20
a)
x = 32
b)
x = -32
c)
x = 8
d)
x = -8
51.
5. 6b = 30
a)
x = 36
b)
x = 24
c)
x = 180
d)
x = 5
52.
Solve for x:
a)
x = 20
b)
x = 7
c)
x = 10
d)
x = 3
53.
-16+ x= -15
a)
2
b)
0
c)
-1
d)
1
54.
8b + 12 = 52
a)
b = 8
b)
b = -8
c)
b = 5
d)
b = -5
55.
4s - 5 = 39
a)
s = -11
b)
s = 11
c)
s = 15
d)
s = -15
56.
x / 7 + 14 = 22
a)
x = -56
b)
x = 56
c)
x = -9
d)
x = 9
57.
What is the first step to solve this equation:
11 - 3x = 44
11 - 3x = 44
a)
Add 3 to both sides
b)
Subtract 11 from both sides
c)
Add 11 to both sides
d)
Divide 3 on both sides.
58.
Solve for x:
-30 - 5x = 120
-30 - 5x = 120
a)
x = 18
b)
x = -18
c)
x = 30
d)
x = -30
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