 Lots of things come in groups of 10, like the green bottles in the song!

# Multiplying and Dividing by 10

This Math quiz is called 'Multiplying and Dividing by 10' and it has been written by teachers to help you if you are studying the subject at elementary school. Playing educational quizzes is an enjoyable way to learn if you are in the 3rd, 4th or 5th grade - aged 8 to 11.

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Counting up and down in steps of 10 is an important and useful skill which helps with multiplying and dividing problems.. It is usually practiced regularly, in order for the skill to be fluent, and children are also taught to recognize that multiples of ten are even and end with '0'. Once the 10 times table is familiar, children will learn how to use the multiplication facts to solve division questions. For example, if they know that 2 x 10 = 20, then they may also recognize that 20 ÷ 10 = 2 or 20 ÷ 2 = 10.

Use this quiz to practice multiplying and dividing by 10.

1.
I know that 5 x 10 = 50. What else do I know?
5 ÷ 10 = 50
50 x 10 = 50
50 ÷ 10 = 5
50 ÷ 5 = 500
If 5 groups of 10 makes 50, then 50 divided into groups of 10 will give 5 in each group
2.
Which is the odd fact out?
11 x 10 = 110
110 ÷ 11 = 10
11 x 11 = 111
110 ÷ 10 = 11
11 x 11 = 121 not 111!
3.
What is 8 x 10?
18
80
88
108
Multiplying by 10 makes the number 10 times larger
4.
What is 100 divided by 10?
10
20
100
1000
Dividing by ten means making groups of ten from the number until nothing is left
5.
What are the next two numbers in this sequence: 30, 40, 50, ?
51, 61
55, 60
51, 52
60, 70
The numbers are going up in steps of 10
6.
Is 83 a multiple of 10?
Yes, because it has 8 tens
Yes, because it's bigger than 10
No, multiples of ten end with a '0'
No, it's not big enough
Multiples of ten have a '0' as a last digit
7.
How many tens are there in 170?
100
7
17
71
Counting up in tens until you reach 170 is useful here
8.
If one child has 10 toes, how may toes will 4 children have?
40
14
44
400
10 x 4 = 40
9.
I put 60 children into groups of 10. How many groups do I make?
10, because 60 ÷ 10 = 10
16, because 60 x 10 = 16
60, because 60 ÷ 1 = 60
6, because 60 ÷ 10 = 6
We also know that 6 x 10 = 60 and 10 x 6 = 60
10.
Which is not true?
9 x 10 = 90
10 x 5 = 50
10 x 14 = 140
10 x 7 = 107
10 x 7 = 70
Author:  Angela Smith