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Find Simple Square Roots of Numbers

In this worksheet, students will work out simple square roots.

'Find Simple Square Roots of Numbers' worksheet

Key stage:  KS 2

Year:  Year 5 Maths worksheets

Curriculum topic:   Number: Multiplication and Division

Curriculum subtopic:   Recognise Square/Cube Numbers

Popular topics:   Square Numbers worksheets

Difficulty level:  

Worksheet Overview

Can you remember what we mean by a square  number?


boy thinking


A square number is made when we multiply a number by itself, eg. 3 x 3 = 9 or 10 x 10 = 100.

9 and 100 are square numbers.


The number that we multiplied to get a square number is the square root. So, the square root of 9 is 3 and the square root of 100 is 10.


Does that make sense?


girl thinking


This activity is all about square roots.  

All the answers are positive.



What number squared gives the answer 36? Or, we could ask, what is the square root of 36?





Knowing your tables helps to answer questions such as this. 


In the grid above, square numbers are shown in yellow.

Find 36 and see what was multiplied together to get that answer.


6 x 6 = 36

The answer is 6


6 squared is 36 and the square root of 36 is 6.


Let's make a start on the questions now.

If you want to look at this grid again, click on the red help button on the screen at any point during the activity.

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