(Used for Tiffin Year 9 scheme of work)
(a) Methods for solving problems involving direct and indirect proportion, including the unitary method (but not quadratic/cubic/root relationships).
(b) Problems involving ratio.
(c) Extension: 3 way relationships, e.g. "If it takes a men b hours to dig c holes..."
This (intentionally) does not make reference to the GCSE method of establishing the constant of proportionality.
A variety of puzzles. Allows students to select questions. Perfect for interactive whiteboards.
Covers the GCSE specification (including graphs of direct and inverse proportion).
Used for the Tiffin Year 7 scheme of work. Includes a number of UKMT problems.