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Expression - GCSE Maths Definition

Reviewed by: Jamie Wood

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What is an expression in GCSE maths?

In GCSE Maths, an expression is a combination of numbers, variables, and operators (such as addition, subtraction, multiplication, and division) that represents a particular value or relationship.

Unlike equations, expressions do not include an equals sign.

  • 2 x plus 7 is an expression

  • 2 x plus 7 equals 11 is an equation

  • 2 x is a term

Expressions are used to concisely model a mathematical idea or situation. For example, doubling and adding five can be modelled by the expression 2 x plus 5.

Expressions can be simplified and manipulated according to algebraic rules. For example, 10 x plus 3 y minus y plus 2 x can be simplified to 12 x plus 2 y.

Expressions revision resources to ace your exams

Save My Exams has a great range of resources to explore expressions in more detail. Try exploring our algebra toolkit 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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