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Finding 20% of a Number

In this worksheet, students must find 20% of the given numbers.

'Finding 20% of a Number' worksheet

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Percentages

Difficulty level:  

Worksheet Overview

To find 10% of a number we must find 1/10 of it.

One way to do this is to divide the number by 10.

 

To find 20% of a number we first find 10% and then double the result.

 

Example 1

Find 20% of 530.

 

Answer

First we find 10% which is 530 ÷ 10 = 53.

Then we double the result to get 53 x 2 = 106.

So 20% of 530 is 106.

 

Example 2

Find 20% of 7500.

 

Answer

First we find 10% which is 7500 ÷ 10 = 750.

Then we double the result to get 750 x 2 = 1500.

So 20% of 7500 is 1500.

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