Key term for Edexcel GCSE Mathematics, used in Fractions, Decimals and Percentages.
The mathematical relationship where two quantities change by the same relative amount or factor.
Proportionality appears in Edexcel GCSE Mathematics revision content for Number, especially Fractions, Decimals and Percentages and Fractions in Ratio.
Create a free account to access Edexcel GCSE Mathematics revision notes, track progress, and practise related key terms.