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Worksheets

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Total questions: 34

Worksheet time: 26mins

Name
Class
Date
1.
Which are the factors of 14?
a)
1,14
b)
1, 2, 7, 14
c)
2, 7
2.
Which are the factors of 24?
a)
1, 2, 3, 8, 12, 24
b)
2, 3, 4, 6, 8, 12
c)
1, 2, 3, 4, 6, 8, 12, 24
3.
Which are the factors of 32?
a)
1, 2, 4, 8, 16, 32
b)
1, 32, 4, 8
c)
1, 16, 2, 32
4.
Which number has 2 as a factor?
a)
13
b)
21
c)
26
d)
33
5.
Which is a factor of 15?
a)
2
b)
3
c)
4
d)
6
6.
Which number is a factor of 10
a)
3
b)
4
c)
5
d)
8
7.
Which number is a factor of 7?
a)
3
b)
4
c)
6
d)
7
8.
Which number is a factor of 16
a)
7
b)
6
c)
9
d)
4
9.
Which of the following numbers is not a factor of 24?
a)
6
b)
8
c)
3
d)
7
10.
Which set lists all the factors of 24?
a)
1, 2, 3, 6, 7, 12, 24
b)
1, 2, 3, 4, 6, 8, 12, 24
c)
1, 2, 3, 4, 5, 6, 8, 12, 24
d)
1, 3, 4, 6, 8, 24
11.
What are the factors of 35?
a)
1,35
b)
5,7
c)
1,3,5,7,35
d)
1,5,7,35
12.
The factor pairs of 15  are 1 and 15 and _______
a)
2 and 7
b)
3 and 6
c)
3 and 5
d)
3 and 4
13.

Which factor of 12 is missing in the list of numbers? 1,2,3,4,___,12.

a)

5

b)

6

c)

8

d)

10

14.
What are all of the factors to the product 16?
a)
1, 2, 3, 4, 6, 12, 16
b)
1, 2, 3, 6, 8, 16
c)
2, 3, 4, 6
d)
1, 2, 4, 8, 16
15.
Composite numbers:
a)
Are always bigger than prime numbers
b)
Have more than 2 factors
c)
Have 2 pairs of factors
d)
Don't have factors
16.
Find the prime number.
a)
10
b)
9
c)
7
d)
4
17.
Is 12 prime or composite?
a)
prime
b)
composite
18.
is 5 prime or composite?
a)
prime
b)
composite
19.

Is 5 prime or composite?

a)

prime, because it has one factor

b)

prime, because it has two factors

c)

composite, because it has three factors

d)

neither

20.

Is 21 prime or composite?

a)

prime, because is has 2 factors

b)

composite, because it has 2 factors

c)

composite, because it has 4 factors

d)

neither

21.

What is a prime number?

a)

a number with ONLY two factors

b)

a number with LESS THAN two factors

c)

a number with ONLY one factor

d)

a number with MORE THAN two factors

22.

Which list has ONLY prime numbers?

a)

1, 2, 3

b)

2, 3, 5

c)

2, 3, 4

d)

2, 4, 6

23.

Which list has ONLY composite numbers?

a)

8, 16, 24

b)

2, 4, 6

c)

5, 10, 15

d)

3, 6, 9

24.

What is the sum of all the prime numbers found in the picture?

(a)  

25.

Which one is a multiple of 4?

a)

33

b)

22

c)

24

26.
Which number is a multiple of 3?
a)
27
b)
28
c)
29
d)
26
27.

Which of these are multiples of 4? (choose one answer)

a)

4, 8, 12

b)

1, 2, 4

c)

2, 4, 8

d)

4, 8, 15

e)

8, 22, 100

28.

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

29.

Which number is not a multiple of 10?

a)

20

b)

35

c)

40

d)

50

30.

List the first (4) multiples of 8

a)

1, 2, 4, 8

b)

8, 16, 24, 32

31.
List all the factors of 6
a)
1 and 6
b)
1, 2 and 6
c)
1, 2, 3 and 6
32.
Is 2 a prime or composite number?
a)
Prime
b)
Composite
33.
Which of the following is a multiple of 7?
a)
28
b)
48
c)
71
d)
45
34.
Find the prime number.
a)
10
b)
9
c)
7
d)
4

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