WorksheetsMathematics 8 C1: Integers, powers and roots
Total questions: 14
Worksheet time: 1hrs 4mins
Name
Class
Date
1.
78 x -5
a)
368
b)
-360
c)
43
d)
-390
2.
Level 2:
(-25) ÷ (-5)
a)
5
b)
-5
c)
-20
d)
-30
3.
8116 = ?
a)
278
b)
98
c)
94
d)
34
4.
Work out: 62
a)
30
b)
36
c)
12
d)
66
5.
Write as a power: 7 x 7 x 7 x 3 x 3
a)
73 x 32
b)
73
c)
74 + 32
d)
4
6.
A prime number
a)
has one factor
b)
has more than 2 factors
c)
has 100 factors
d)
has exactly 2 factors: 1 and the number
7.
Which answer lists the correct prime factors of 42?
a)
4x4x3
b)
6x7
c)
7x3x2
d)
5x4x2
8.
Find the HCF of 21 and 28
a)
3
b)
4
c)
7
d)
14
9.
What is the LCM of 6 and 8 ?
a)
12
b)
18
c)
24
d)
36
10.
What are the next three multiples? 6, 12, 18, ___ ,___ ,___
a)
24, 30, 34
b)
24, 36, 42
c)
24, 30, 36
d)
22, 28, 34
11.
Find the HCF of 12 and 15 ?
a)
2
b)
2 x 3
c)
3
d)
60
12.
(−5+2)−32×4=
a)
- 48
b)
- 24
c)
- 39
d)
- 33
13.
Numbers like -3, -2, -1, 0, 1, 2, 3 are called
a)
whole numbers
b)
integers
c)
rational numbers
d)
natural numbers
14.
Classify the Number: -23
a)
Rational
b)
rational, integer
c)
integer
d)
rational, whole
100 %
