# Identify Square Numbers

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

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Factors and Multiples

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

Yes
• Question 2

Is the following number a square number?

6

No
• Question 3

Is the following number a square number?

12

No
• Question 4

Is the following number a square number?

7

No
• Question 5

Is the following number a square number?

3

No
• Question 6

Is the following number a square number?

9

Yes
• Question 7

Is the following number a square number?

2

No
• Question 8

Is the following number a square number?

1

Yes
• Question 9

Is the following number a square number?

15

No
• Question 10

Is the following number a square number?

16

Yes
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