Support your confidence in this topic by refreshing your knowledge of substitution and changing the subject of formulae. A function takes an input value, applies a rule to it, and produces an output ...

This article was first published in April 2025. GCSE exam season is well underway, and as we get nearer to your maths exams you might be feeling all kinds of emotions, but try not to get too stressed!

Maths is a subject that tends to divide people - it's either something they adore or cannot stand. However, for Year 11 pupils across the UK, there's no escaping the world of fractions, algebra, ...