I have been a teacher for over 20 years - all the stuff I upload has been tried and tested in my classroom. I don't mind a discussion on Twitter too where I also share new resources. I now have a personal website: https://andylutwyche.com/
Eight matching activities that encourage discussion in class involving substituting into functions, inverses and composite functions. These would work as a starter/plenary or as a revision lesson on function notation.
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