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GCSE Mathematics · key term
The number used to multiply or divide when changing from one unit to another.
Used by AQA, Edexcel and OCR
Specification N13, G14 · Paper 1, Paper 2, Paper 3
Revise: Standard UnitsFor this AQA topic, any required imperial-to-metric conversion factor will be supplied in the question. Use the given relationship in the same way as a metric conversion factor, taking care to decide whether multiplication or division is required.
A number used to multiply or divide when changing from one unit to another.
Write the unit at every stage and include the correct unit in the final answer. For area and volume, remember to square or cube the length conversion factor as well as the unit.
Imperial-to-metric conversion factors do not need to be memorised for this specification; any required factor will be given in the question.
For area and volume conversions, square or cube the length conversion factor; do not use the ordinary length factor.
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Specification R1 · Paper 1, Paper 2, Paper 3
A number used to multiply a measurement when changing from one unit to another.
Specification 10.01a · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
The number by which a value is multiplied or divided when it is rewritten in another unit.
Revise: Standard UnitsThe same conversion factors apply when a measurement contains a variable. The letter represents a number; it does not prevent the conversion.