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30 is the 5th multiple of the number 6.

# Algebra - Multiples

This Math quiz is called 'Algebra - Multiples' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.

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In the field of Algebra, multiples of a single number are its times table. When you are asked for 'common multiples' of two numbers then things get a little more complicated!

Have a go at this Math quiz and you will soon understand.

1.
Which of these numbers is not a multiple of 3 and 4?
12
36
48
50
3 and 4 cannot be divided into 50 to give answers of whole numbers
2.
Which of the following are common factors of 6, 12, 18 and 24?
2 and 3
3 and 4
4 and 5
5 and 6
Both 2 and 3 will divide into all the numbers given (6, 12, 18 and 24)
3.
What are the first 3 multiples of 15?
3, 5, 7.5
5, 10, 15
15, 30, 45
30, 60, 90
1 x 15 = 15; 2 x 15 = 30; 3 x 15 = 45
4.
The 2nd and 3rd multiples of a number are 22 and 33. What is the number?
5
7
9
11
5.
The first 3 multiples of a number are 8, 16, 24. What is the number?
8
16
24
32
8, 16 and 24 are all in the 8 times table
6.
The 4th and 5th multiples of a number are 24 and 30. What is the number?
3
6
9
10
7.
Is the number 43 a multiple of the number 11?
Yes
No
Seldom
Often
44 is a multiple of 11 but 43 most definitely is not!
8.
Is 66 a multiple of 3 and 11?
Yes
No
Seldom
Often
Both 3 and 11 will divide into 66 and give results of a whole number
9.
Which of the following is a common factor of 15, 30, 45 and 60?
2
3
4
10
5 and 3 can be divided into all the numbers given and the result is always a whole number. Remember that multiples are always whole numbers
10.
What are the first 4 multiples of 7?
0, 7, 14, 21
1, 7, 14, 21
7, 14, 21, 28
14, 21, 28, 35
1 x 7 = 7; 2 x 7 = 14; 3 x 7 = 21; 4 x 7 = 28
Author:  Frank Evans