WorksheetsRational and Irrational Numbers
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
Which of the following is an irrational number?
a)
81
b)
28
c)
49
d)
36
2.
Which of the following is an irrational number?
a)
16
b)
100
c)
50
d)
81
3.
Which of the following is a perfect square?
a)
144
b)
161
c)
89
d)
28
4.
Which of the following is a perfect square?
a)
21
b)
64
c)
113
d)
186
5.
What is the square root of 81
a)
1
b)
9
c)
27
d)
81
6.
What two numbers does the square root of 46 fall between?
a)
5 and 6
b)
6 and 7
c)
7 and 8
d)
8 and 9
7.
What two numbers does the square root of 156 fall between?
a)
11 and 12
b)
12 and 13
c)
13 and 14
d)
14 and 15
8.
Approximate 21
a)
4.3
b)
4.4
c)
4.5
d)
4.6
9.
Approximate 76 to the nearest tenth.
a)
8.5
b)
8.6
c)
8.7
d)
8.8
10.
What is the cube root of the perfect cube 216
a)
5
b)
6
c)
7
d)
8
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