40 fully worked, exam-style questions on proportion, written for Edexcel GCSE Foundation Tier Maths (1MA1). Every single question has a complete step-by-step worked solution, mark-scheme style ...
25 progressive Edexcel GCSE Higher (1MA1) direct and inverse proportion questions with full mark-scheme style worked solutions. What’s inside: Easy: direct proportion, finding and using the constant ...
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