This well thought out worksheet has been structured to increase in difficulty gradually, beginning with scaffolded intro examples and building up to challenging extension questions that really get ...

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 ...

Use inverse operations to find inverse functions, using the correct notation. Starter: Completing input-output machines. Explanation of inverses using input-output machines. Worked examples, ...