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Irrational number — Eduqas GCSE Mathematics Definition | GradeGen

Home
Mathematics
Key terms
Irrational number

GCSE Mathematics · key term

Irrational number

Definition

A number that cannot be written as a fraction of two integers. Its decimal expansion continues forever without repeating.

Used by Eduqas

How each exam board covers it

Eduqas GCSE Mathematics · C300

Specification HN8 · Paper 1, Paper 2

Revise: Exact Calculations and Surds

Eduqas Mathematics past papers

Related key terms

Conjugate
Exact value
Like surds
Pi (π)
Rational number

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Rationalising the denominator