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Square roots

Total questions: 15

Worksheet time: 10mins

Name
Class
Date
1.
Which number is the square root of 324?
a)
182
b)
18
c)
√18
d)
18/2
2.
√81
a)
9
b)
10
c)
8
d)
6
3.
√256
a)
14
b)
16
c)
13
d)
17
4.
√361
a)
18
b)
19
c)
16
d)
17
5.
√225
a)
1
13
b)
16
c)
18
d)
15
6.
√144
a)
12
b)
14
c)
11
d)
16
7.

(-6)2

a)

12

b)

-12

c)

-36

d)

36

8.

√25/√64

a)

5/8

b)

√5/√8

c)

√5/8

d)

5/√8

9.
A perfect square is when a whole number is multiplied by itself?
a)
FALSE
b)
TRUE
10.
Which of the following is NOT a perfect square?
a)
1
b)
4
c)
100
d)
8
11.
To find the square root of a number, you must divide it by 2.
a)
True
b)
False
12.
If I know the area of a square, how do I find the side length?
a)
I square the area.
b)
I divide the area by 2.
c)
I take the square root of the area.
d)
I divide the area by 4.
13.
196
a)
Is a perfect square.
b)
Is not a perfect square.
14.

 25=x2\sqrt{25}=\sqrt{x^2}  
What is the answer for x?

a)

5

b)

10

c)

25

15.

 6425=y5\sqrt{\frac{64}{25}}=\frac{y}{5}  
What is y?

a)

4

b)

8