GCSE Maths Foundation Level

Percentages Without Calculator

What is 25% of 28?

25% =	1

	4

So, we can find 25% of 28 by dividing by 4
28 ÷ 4 = 7

What is 20% of 60?

20% =	1

	5

So, we can find 20% of 60 by dividing by 5
60 ÷ 5 = 12

What is 50% of 144?

50% =	1

	2

So, we can find 50% of 144 by dividing by 2
144 ÷ 2 = 72

SAMPLE QUESTION

How to work out percentages without a calculator Part 1

How to work out percentages without a calculator Part 2

Created by Dr David Cornelius an Independent Private Maths Tutor with over 25 years of experience and The Secretary of The Association of Tutors in the UK for 15 years.

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