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Courses
Mathematics
Key Terms
Rationalise

GCSEEdexcel1MA1

Rationalise

Key term for Edexcel GCSE Mathematics, used in Sequences.

Definition

The process of removing a surd or irrational number from the denominator of a fraction.

Exam Context

Rationalise appears in Edexcel GCSE Mathematics revision content for Algebra, especially Sequences and Sequence Types.

Algebra Sequences Sequence Types

Study Pathways

Algebra

Sequences

Sequence Types

Number

Structure and Calculation

Exact Calculations and Surds

Found in Revision Notes

Algebra

Arithmetic and Geometric Progressions

Sequences • Sequence Types

Number

Exact Calculations and Surds

Structure and Calculation • Exact Calculations and Surds

Related Key Terms

Arithmetic progression Common difference Common ratio Conjugate Conjugate Pair Exact Value/Form Exponential decay Exponential growth

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