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Do Calculations with Square Numbers Mentally

In this worksheet, students will add together square numbers in their heads.

'Do Calculations with Square Numbers Mentally' worksheet

Key stage:  KS 3

Year:  Year 9 Maths worksheets

Curriculum topic:   Number

Curriculum subtopic:   Understand Integer Powers/Real Roots

Popular topics:   Square Numbers worksheets

Difficulty level:  

Worksheet Overview

This activity is about square numbers.


Remember that to square a number, you simply multiply it by itself.

So 52 = 5 x 5 = 25


You should know the first few square numbers off by heart.


1, 4, 9, 16, 25, 36, 49,, 64, 81, 100, 121, 144



Work the following out in your head.


42 + 32




16 + 9 = 25

42 + 32 = 25


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