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While studying Algebra in your Math classes, you will learn that a square number is the result of multiplying a number by itself. As an example 5^{2} means 5 x 5.

See how much you remember from your lessons by playing the following quiz.

1.

Is the number 13,692 a square number?

Yes

No

Only in algebra

Always, except in algebra

A square number (also called a perfect square) is a positive whole number that is formed by multiplying a whole number with itself. For example, 16 = 4 x 4; 1 = 1 x 1; 1,681 = 41 x 41, and so on

2.

What number is 3^{2}?

3

6

9

12

Multiply 3 by itself (3) and you get 9

3.

What is the missing square number in the sequence 1, 4, 9, 16, 25, 36, 49, ......., 81?

56

60

64

68

64 is 8 x 8; on one side it has 7 x 7 (49) and on the other side it has 9 x 9 (81)

4.

What is the next square number after 9?

12

14

16

18

3 x 3 is 9; 4 x 4 is 16

5.

A patch of garden is 10 meters x 10 meters. What is its area expressed in square meters?

2^{10}

10^{2}

2 x 10

10 x 2

6.

What is 1^{2}?

0

1

2

3

1 x 1 = 1

7.

What is the square number that comes immediately before 36?

10

15

20

25

6 x 6 is 36; 5 x 5 is 25

8.

What is 0^{2}?

0

2

4

8

No matter how many times you multiply 0 x 0 it will still be 0!

9.

The roof of a rabbit hutch is completely tiled. There are 7 tiles across and 7 tiles down. How many tiles are there altogether?

14

28

42

49

Can you see why the number of tiles might be referred to as 7^{2}?

10.

How would you refer to 3^{2}?

Large 3, little 2

3, superscript 2

3 multiplied by 2

3 squared

You might say '3 to the power of 2' but it is more usual to say '3 squared'

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