About This Lesson
Applied / functional math task - gets students to explore how mobile phone tarrifs work and then investigate some specific pay as you go tarrifs (may need to be updated to be realistic) and plot these on graphs. Series of questions to get students to identify the equations of the lines and analyze what they mean. wrap up to create a new competitive tarrif. This was all inspired by a fab resource I initially found on TES connect to do with mobile phone tarrifs (but I now cannot find it to be able to credit it properly).
superb resource, thank you.