AQA GCSE Mathematics · 8300
Specification A1 · Paper 1, Paper 2, Paper 3
Revise: Algebraic NotationBrackets group an expression so that it is treated as one quantity.
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GCSE Mathematics · key term
Grouping symbols which show that an operation applies to the complete expression inside them.
Used by AQA, Edexcel and OCR
Specification A1 · Paper 1, Paper 2, Paper 3
Revise: Algebraic NotationBrackets group an expression so that it is treated as one quantity.
Specification A1 · Paper 1, Paper 2, Paper 3
Symbols grouped to show that the expression inside is to be treated as a single unit, as in .
Remember that a letter next to a bracket means multiplication: means , not .
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Brackets can change the base of a power.
Specification 1.03a · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
Symbols such as parentheses that group part of an expression and show that it must be evaluated first.
Revise: Order of OperationsBrackets
An index applies only to the number or letter immediately before it unless brackets extend its scope: .
Treat a fraction bar as grouping the whole numerator and the whole denominator. Use brackets when entering such a fraction into a calculator.