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Worksheets

Tawa College - Junior - Powers and Roots

Total questions: 13

Worksheet time: 9mins

Name
Class
Date
1.
Simplify: 3 x 3 x 3 x 3 x 3
a)
34
b)
33
c)
35
d)
43
2.
Which of the following is a square number?
a)
9
b)
12
c)
15
d)
20
3.
What is the square root of 49?
a)
7
b)
8
c)
6
d)
5
4.
Which of the following is a cube number?
a)
1
b)
10
c)
9
d)
6
5.
What is the cube root of 8?
a)
2
b)
4
c)
1
d)
6
6.
Simplify: 63 x 64
a)
612
b)
67
c)
61
d)
68
7.
Simplify: 79 x 76
a)
715
b)
716
c)
73
d)
714
8.

Find the cubed root of 729.

a)

7

b)

9

c)

27

d)

32

9.

Between which two consecutive integers does the square root of 87 lie?

a)

8 and 9

b)

9 and 10

c)

7 and 8

d)

8 and 10

10.

Which of the following statements is true ?

a)
b)
c)
d)
11.
Simplify: 5 x 5 x 5
a)
52
b)
53
c)
35
d)
15
12.

Which expression is equivalent to (-4)(-4)(-4)(-4)

a)

-41

b)

(-4)4

c)

4-2

d)

(-4)2

13.

Solve for x.

a)

x = 4/3

b)

x = 9/4

c)

x = 9/16

d)

x = 3/16