Rearranging the formula for the circumference of a circle makes the radius the subject. Start with the new subject and write out the function machine for the formula, showing each operation step by ...

The questions in this quiz are suitable for GCSE maths students studying formulae, substitution, creating formulae, changing the subject of a formula, rearranging formulae - higher and function ...

As a core subject, mathematics requires a thorough knowledge of theories and correct application of formulae through stepwise logical approaches. Many students find the subject daunting. However, with ...