WorksheetsPrincipal Roots
Total questions: 25
Worksheet time: 13mins
Which of the following refers to a number whose decimal representation is neither terminating nor repeating? This number cannot be expressed as a quotient of integers.
Integers
Irrational
Natural
Rational
What is the principal root of √81?
9
8
18
81
Where does the square root of 30 lie?
between 5 & 6
beyond 6
before 5
at 6
Which of the following numbers has an irrational square root?
1
81
100
300
Which of the numbers is classified as perfect square integer?
49
50
63
200
Which of the statements is TRUE?
√7 is an integer
√16 is an irrational number
√25 is a rational number
√90 is neither rational nor irrational number
Between what two consecutive integers does the square root of 118 lie?
8 & 9
9 & 10
10 & 11
11 & 12
25
49
63
81
Which of the following square roots lies between 2 and 3.
√2
√3
√5
√10
Find the principal root of √121.
10
11
12
13
Which whole number is closest to √46?
5
6
7
8
Which of the following is the perfect square number closest but less than 20?
16
19
22
25
Locate and plot √5 on a number line.
Locate and plot √23 on a number line.
What is the square root of 15 to the nearest hundredths?
3.01
3.27
3.52
3.87
Which of the following is the closest approximation of√51?
6.64
6.94
7.04
7.14
Identify which perfect squares is closest to 216?
196
225
256
289
Which of the following number is the estimate of√146?
11.08
11.18
12.08
12.18
Locate and plot √32 on a number line.
What is the square root of 176 to the nearest hundredths?
13.19
13.27
13.38
13.64
230 is an irrational number. Between what two integers this number lies?
15 and 16
14 and 15
16 and 17
10 and 11
A wire, attached to a pole, has length 53 meters. Which of the following can be used to estimate the length of the wire?
The length of the wire is between 5 to 6 meters.
The length of the wire is between 6 to 7 meters.
The length of the wire is between 7 to 8 meters.
The length of the wire is between 8 to 9 meters.
