Ratio of Amounts — GCSE Mathematics Revision
Revise Ratio of Amounts for GCSE Mathematics. Step-by-step explanation, worked examples, common mistakes and exam-style practice aligned to AQA, Edexcel and OCR.
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Go to Indices & Standard FormWhat is Ratio of Amounts?
Ratio of Amounts belongs to Number in GCSE Mathematics. The reliable way to revise it is to learn the trigger condition, write the first method line clearly, and practise enough variations that you can spot when the standard method needs adapting. For GCSE Maths, protect method marks by showing each transformation rather than jumping to the final answer.
Board notes: AQA, Edexcel and OCR differ in wording and calculator/non-calculator balance. Use this as a method lesson, then check your board specification and past-paper style for exact demand.
Step-by-step explanationWorked example
For a Ratio of Amounts question, first classify the problem: what information is given, what form should the answer take, and which rule from Number applies? Write the method line, carry out each transformation cleanly, then substitute or check the result against the original condition. This creates a mark-scheme-friendly answer even when the arithmetic is demanding.
Practise this topic
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Targeted practice plan
- 1Do one Ratio of Amounts question where the method is obvious, then rewrite the first line so it would earn a method mark.
- 2Do one mixed Number question and identify the exact trigger that tells you it is testing Ratio of Amounts.
- 3Redo the same question without notes and check final form, units, rounding and whether every algebra line follows.
Common mistakes
- 1Starting calculations before identifying the exact form of the question.
- 2Skipping algebraic or numerical working that the mark scheme would credit.
- 3Not checking whether the final answer needs units, exact form, a diagram interpretation, or a stated conclusion.
Ratio of Amounts exam questions
Exam-style questions for Ratio of Amounts with mark-scheme style solutions and timing practice. Aligned to AQA, Edexcel and OCR specifications.
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Step-by-step method
Step-by-step explanation
4 steps · Worked method for Ratio of Amounts
Core concept
Ratio of Amounts belongs to Number in GCSE Mathematics. The reliable way to revise it is to learn the trigger condition, write the first method line clearly, and practise enough variations that you ca…
Frequently asked questions
How do I get better at Ratio of Amounts?
Practise in short sets: one easy recognition question, one standard method question, and one mixed question. After each attempt, mark the first line and the final check separately.
What loses marks in Ratio of Amounts?
Most lost marks come from wrong method selection, missing intermediate steps, or an answer that is mathematically correct but not in the requested form.