By Collins GCSE
By Anne Haworth, Paul Winters, H Prior, S Burns, Margaret Thornton, Shaun Procter-Green, David Pritchard, Tony Fisher, David Ridgway, June Haighton, Andrew Manning, Gina McManus, Gill Hewlett, Paul Metcalf
By Dickinson, Paul, Hough, Susan, Eade, Frank, Gough, Steve, Dudzic, Stella
By Letts GCSE
By Kumon
By Webber, B., Barnes, T.
By McKellar, Danica
By Various
By Nicholson, Su
By John Mason, Alan Graham, Sue Johnston-Wilder
By McDougal Littel
By Tony Fisher, June Haighton, Andrew Manning, A Staneff, Margaret Thornton, Paul Metcalf
By Poskitt, Kjartan, Reeve, Philip
By Pratt, Kathy, Kirby, Elizabeth
By Heylings, M. R.
By Brodie, Andrew
By Merttens BA MED, Ruth
By Owen, Annie
By Neill, Hugh, Hugh Neill
By School Mathematics Project