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Re-arranged Formulae - GCSE Maths Definition

Reviewed by: Jamie Wood

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What are re-arranged formulae in GCSE maths?

A re-arranged formula refers to a formula where the subject of the formula has been changed, through rearranging algebraically.

A formula is a rule, definition or relationship between different quantities, written using letters (variables). A formula will include an equals sign.

For example, v equals 2 plus 5 t is a formula where v is the subject. We can make t subject by subtracting 2 from both sides, then dividing both sides by 5. This means the re-arranged formula is fraction numerator v minus 2 over denominator 5 end fraction equals t.

The skill of rearranging formulae is particularly important in GCSE Maths as it allows you to manipulate formulae and equations to help solve them, or write them in a different form.

Re-arranged formulae revision resources to ace your exams

Save My Exams has a great range of resources to explore re-arranged formulae in more detail. Try exploring our rearranging formulas revision notes and answering our exam questions.

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Jamie Wood

Reviewer: Jamie Wood

Expertise: Maths Content Creator

Jamie graduated in 2014 from the University of Bristol with a degree in Electronic and Communications Engineering. He has worked as a teacher for 8 years, in secondary schools and in further education; teaching GCSE and A Level. He is passionate about helping students fulfil their potential through easy-to-use resources and high-quality questions and solutions.

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