Key term for OCR GCSE Mathematics, used in Exact Calculations.
Multiplying the top and bottom of a fraction by a factor to eliminate a surd from the denominator.
Rationalising appears in OCR GCSE Mathematics revision content for Indices and Surds, especially Exact Calculations and Exact Values.
Create a free account to access OCR GCSE Mathematics revision notes, track progress, and practise related key terms.
