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WorksheetsHCF and LCM
Total questions: 20
Worksheet time: 2hrs 53mins
Name
Class
Date
1.
Which number is a factor of 10
a)
3
b)
4
c)
5
d)
8
2.
List the first 5 multiples of 3
a)
3, 6 10, 15, 20
b)
1, 3
c)
3, 6, 9, 12, 15
d)
6, 9, 12, 15, 18
3.
Joe has listed the first 4 multiples of 7 as:
7 14 22 28
Which one is incorrect?
7 14 22 28
Which one is incorrect?
a)
7
b)
14
c)
22
d)
28
4.
Find the HCF of 21 and 28
a)
3
b)
4
c)
7
d)
14
5.
What is the LCM of 4 and 12?
a)
4
b)
8
c)
12
d)
16
6.
Find the HCF of 12 and 15 ?
a)
2
b)
2 x 3
c)
3
d)
60
7.
A prime number is...
a)
a number that has only one factor.
b)
a number that has at least two factors.
c)
a number that has more than two factors.
d)
a number that has only two factors.
(1 and itself)
(1 and itself)
8.
Find the HCF of 8 and 24 ...
a)
2
b)
4
c)
6
d)
8
9.
Find the LCM of 8 and 24 ...
a)
24
b)
48
c)
32
d)
64
10.
Find the HCF of 25 and 35
a)
10
b)
5
c)
7
d)
1
11.
Find the HCF of 20 and 24
a)
6
b)
4
c)
5
d)
12
12.
Which number is a multiple of 3?
a)
27
b)
28
c)
29
13.
Which one is a multiple of 4?
a)
33
b)
22
c)
24
14.
Find the missing multiple.
10: 10, 20, 30, 40, ___, 60, 70, 80
a)
100
b)
45
c)
50
15.
Which of the following shows the multiples of 12?
a)
0, 12, 22, 53, 60
b)
0, 4, 8, 12, 16, 24
c)
0, 12, 24, 36, 48, 60
16.
Check the 2 multiples of 9
a)
27
b)
29
c)
3
d)
45
17.
Numbers that you multiply to get another number are ______________ of the product.
a)
Multiples
b)
Prime
c)
Factors
d)
Times
18.
The greatest of common factors of 2 or more numbers.
a)
LCM
b)
GCF
c)
GST
d)
GTA
19.
Prime factors of 35 are
a)
3 x 10
b)
5 x 7
c)
8 x 5
d)
1 x 35
20.
Which one is more fun
a)
PUBG
b)
FREE FIRE
c)
MATHEMATICS
d)
TIK-TOK
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