GCSE; AQA; Algebraic formulae - AQA Function notation – Higher. Formulae are used in everyday life, from working out areas and volumes of shapes to converting units of measurement.

Learn how to recognise and interpret algebraic notation with this BBC Bitesize Maths article. For students between the ages of 11 and 14. Functions Learn how to find both the inputs and outputs of ...

Not all eighth graders are ready for the abstract concepts — like variables, linear functions, slope — that come with Algebra I, some experts and teachers say.