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What a ratio means

What a ratio means

Bar model showing girls:boys = 3:2 as five equal boxes, three labelled girls and two labelled boys

A ratio compares quantities using equal parts. The ratio 3:23:23:2 means 3 equal parts of the first amount for every 2 equal parts of the second amount.

Ratio Lesson

  1. GCSE
  2. /Maths
  3. /Ratio

Step-by-step lessons covering AQA GCSE Maths Ratio for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1, Paper 2 and Paper 3 format. Build fluency with number, ratio and algebra first, since geometry, probability and statistics topics rely on them, and leave extra time nearer the exam for Higher-tier problem-solving and multi-step reasoning questions.

Lessons

Error IntervalsEstimatingWriting and Simplifying RatioRatioProportionPercentagesPercentage ChangeExchange RatesConversions and UnitsScale DrawingsBest Buy QuestionsSubstitutionSolving EquationsDrawing Linear GraphsArea and Circumference of CirclesTransformationsArea of Compound ShapesFrequency TreesTwo Way Tables