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GCSE Mathematics · key term
An amount expressed as a number of parts per hundred.
Used by AQA, Edexcel and OCR
Specification N12, R9 · Paper 1, Paper 2, Paper 3
Revise: Fraction and Percentage OperatorsWhen a fraction or percentage operates on a quantity, it multiplies that quantity.
A number of parts per hundred; for example, 17% means 17 out of every 100.
Convert a percentage to a decimal multiplier by dividing by 100; for example, , not .
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Specification N12, R9 · Paper 1, Paper 2, Paper 3
A number of parts per hundred, written using the symbol %.
Revise: OperatorsIn questions about fractions and percentages, the word of usually signals that one number is operating on another by multiplication.
A way of expressing a quantity as a number of parts per hundred.
Specification 2.03a, 2.03b · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
A number expressed as an amount out of 100; the symbol is %.
Revise: Conversion of PercentagesFractions, decimals and percentages are different ways of representing the same number.
A way of expressing a number as parts out of 100; the symbol is .
Estimate before accepting a result: a percentage below 100% of a positive quantity should be smaller than the original quantity.
Before calculating, identify whether the question asks for a percentage, a change, a new value, an original value, interest, or a final balance.