Edexcel•GCSE•Mathematics
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Ratio, Proportion & Rates
Ratio, proportion, rates of change, growth and decay
Practice 28 subtopics in Ratio, Proportion & Rates. All questions match the Edexcel GCSE specification.
About Ratio, Proportion & Rates
Ratio, Proportion & Rates is a key topic in the Edexcel GCSE Mathematicsspecification. This topic covers ratio, proportion, rates of change, growth and decay.
Master all 28 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (28)
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Writing ratiosSimplifying ratiosEquivalent ratiosDividing in a ratioRatio and fractions1:n formDirect proportionInverse proportionProportion equations (H)Graphs of proportional relationshipsPercentage changeReverse percentagesCompound interestDepreciationMetric unitsTime calculationsCurrency conversionScale drawings and mapsSpeed, distance, timeDensity, mass, volumePressure (H)Unit pricingBest buy problemsGradient as rate of change (H)Instantaneous rate of change (H)Exponential growthExponential decayIteration (H)
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