pptx, 1.49 MB
pptx, 1.49 MB
xlsx, 11.28 KB
xlsx, 11.28 KB
pub, 659 KB
pub, 659 KB
A lesson for my low ability year 7 supporting them to understand substitution in real life context of phone contracts. Use of calculator encouraged. High ability stretched to write their own formulae given new contract conditions.

Excel provided if you want to change details and work out answers quickly. Could also be a separate activity for higher ability pupils to make their own Excel.
Creative Commons "Sharealike"

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