Identify Square Numbers

In this worksheet, children must state whether or not a number is square.

Key stage:  KS 2

Curriculum topic:   Number: Multiplication and Division

Curriculum subtopic:   Recognise Square/Cube Numbers

Difficulty level:

QUESTION 1 of 10

A number such as 6 has 4 factors, shown on the legs of this factor spider.

The number 12 has 6 factors, shown on the legs of this factor spider.

Some factor spiders, such as the number 9, have an ODD number of legs.

These are the SQUARE NUMBER factor spiders.

Remember that 9 = 3 x 3 = 3 squared.

Is the following number a square number?

4

No

Yes

Is the following number a square number?

6

No

Yes

Is the following number a square number?

12

No

Yes

Is the following number a square number?

7

No

Yes

Is the following number a square number?

3

No

Yes

Is the following number a square number?

9

No

Yes

Is the following number a square number?

2

No

Yes

Is the following number a square number?

1

No

Yes

Is the following number a square number?

15

No

Yes

Is the following number a square number?

16

No

Yes

• Question 1

Is the following number a square number?

4

CORRECT ANSWER
Yes
EDDIE SAYS
4 has three factors: 1, 2, 4
• Question 2

Is the following number a square number?

6

CORRECT ANSWER
No
EDDIE SAYS
6 has four factors: 1, 6, 2, 3
• Question 3

Is the following number a square number?

12

CORRECT ANSWER
No
EDDIE SAYS
12 has six factors: 1, 12, 2, 6, 3, 4
• Question 4

Is the following number a square number?

7

CORRECT ANSWER
No
EDDIE SAYS
7 has two factors and is a prime number: 1, 7
• Question 5

Is the following number a square number?

3

CORRECT ANSWER
No
EDDIE SAYS
3 has two factors and is a prime number: 1, 3
• Question 6

Is the following number a square number?

9

CORRECT ANSWER
Yes
EDDIE SAYS
9 has 3 factors: 1, 3, 9
• Question 7

Is the following number a square number?

2

CORRECT ANSWER
No
EDDIE SAYS
2 is a prime number and has two factors: 1, 2
• Question 8

Is the following number a square number?

1

CORRECT ANSWER
Yes
EDDIE SAYS
1 has one factor: 1.
• Question 9

Is the following number a square number?

15

CORRECT ANSWER
No
EDDIE SAYS
15 has four factors: 1, 15, 3, 5
• Question 10

Is the following number a square number?

16

CORRECT ANSWER
Yes
EDDIE SAYS
16 is a square number and has five factors: 1, 2, 4, 8, 16
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