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Addition and Subtraction of Square Numbers

In this worksheet, students add together square numbers. They should try the calculations mentally first.

'Addition and Subtraction of Square Numbers' worksheet

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Square Numbers

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

For this worksheet, it will be useful for you to know the square numbers off by heart.

12 = 1

22 = 4

32 = 9

42 = 16

52 = 25

62 = 36

72 = 49

82 = 64

92 = 81

102 = 100

112 = 121

122 = 144

 

It's also useful to know that 152 = 225

 

Example

Work out the following mentally.

52 + 10 =
25 + 10 = 35
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