*This Math quiz is called 'Algebra - Square Roots' 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.*

* It costs only $12.50 per month to play this quiz and over 3,500 others that help you with your school work. You can subscribe on the page at Join Us*

'Square root' is often referred to as the opposite of 'square'. The square of 3 is 9 whilst the square root of 9 is 3. It might seem a little confusing at first but this Math quiz will help you sort out your squares from your square roots!

1.

Which of these numbers has a whole number as a square root?

30

32

34

36

6 x 6 = 36

2.

What is the square root of 16?

2 or -2

4 or -4

6 or -6

8 or -8

Both 4 x 4 and -4 x -4 = 16

3.

What is the square root of 81?

3 or -3

6 or -6

9 or -9

12 or -12

9 x 9 = 81 AND -9 x -9 = 81

4.

What is the quickest way to find the square root of 8?

Divide 8 by 2

Multiply 8 x 2

Take 2 from 8

Use a calculator

Some square roots are not whole numbers and can be very difficult to work out. The square root of 8 is approximately 2.828427. We used a calculator to find out!

5.

What is the square root of 100?

2 or -2

10 or -10

25 or -15

50 or -50

6.

You are given the two numbers '3 squared' and 'the square root of 100'. How do they relate to each other?

3 squared is the larger number

The square root of 100 is the larger number

They are both the same

There is no way of telling

The square root of 100 could be either 10 or -10 and we have no way of knowing which square root the question requires!

7.

The √ sign is referred to as what?

Square

Squared

Square root

Square rooted

8.

Which of these figures does not have a whole number as a square root?

25

35

49

64

9.

You are given the two numbers '9 squared' and '81'. How do they relate to each other?

81 is the larger number

9 squared is the larger number

They are both the same

They are in no way related

9 x 9 = 81

10.

What is the square of 9?

3

6

9

81

Did you spot that we asked for the 'square' and NOT the 'square root'?

The next step is:

If you are a student, sign up for an individual subscription.

If you are a school, sign up for a free 30-day trial.