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Worksheets8th Grade Number Systems Review
Total questions: 25
Worksheet time: 28mins
Name
Class
Date
1.
112 =
a)
22
b)
44
c)
144
d)
121
2.
52
a)
16
b)
25
c)
20
d)
10
3.
12
a)
1
b)
2
c)
0
d)
-1
4.
22
a)
2
b)
4
c)
5
d)
6
5.
62
a)
36
b)
12
c)
25
d)
42
6.
32
a)
6
b)
12
c)
9
d)
10
7.
82
a)
68
b)
64
c)
16
d)
56
8.
92
a)
18
b)
81
c)
90
d)
64
9.
√16
a)
4
b)
8
c)
2
d)
9
10.
√121
a)
12
b)
10
c)
11
d)
3
11.
√25
a)
2
b)
3
c)
5
d)
6
12.
√36
a)
3
b)
18
c)
6
d)
7
13.
√ 144
a)
4
b)
12
c)
16
d)
32
14.
√ 81
a)
8
b)
7
c)
10
d)
9
15.
What kind of number is -3?
a)
rational
b)
irrational
16.
What kind of number is π ?
a)
rational
b)
irrational
17.
Which number is an integer?
a)
-1/2
b)
0.2
c)
3/4
d)
-2
18.
Which of the following numbers is irrational?
a)
50
b)
36
c)
169
d)
225
19.
Which of the following number is rational?
a)
127
b)
π
c)
2.5
d)
8.98763...
20.
Which of the following is an irrational number?
a)
0
b)
3
c)
1.36
d)
−0.19
21.
Which of the following numbers is irrational?
a)
√8
b)
¾
c)
2
d)
-1.325
22.
Using exponents, what is the simplified form of the expression (24)7
a)
23
b)
1428
c)
228
d)
211
23.
What is the value of 180?
a)
18
b)
0
c)
1
d)
-18
24.
What is the best estimate for the following.
a)
9.3432...
b)
6.782...
c)
8.2326...
d)
10.7638...
25.
Which number is equivalent to 5-1?
a)
b)
c)
d)
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