By Trevor Dixon
By CGP Books, CGP Books, Unknown
By Iorizzo, Carrie
By Curran, Stephen C., McMahon, Autumn, Mackay, Katrina
By Educational Experts
By Andrew Baines
By School Mathematics Project
By Various
By Ashworth, Fran, Ginger, Maggie
By Hollin, Paul
By Keith Pledger, Pledger, Keith
By Briggs, Sue, McGuire, Peter, Philpott, Derek, Shilton, Susan, Smith, Ken
By McGuire, Peter, Smith, Ken
By Pearce, Chris
By Berry, Patrick
By Baxter, Howard, Jeskins, John, Matthews, Jean, Handbury, Michael, Patmore, Mark
By Ray Allan, Martin Williams
By The School Mathematics Project
By Trim, Jefferey, Adams, Martin, Haighton, June
By Handbury, Michael, Jeskins, John, Baxter, Howard, Matthews, Jean
By Scottish Qualifications Authority
By Ken Nisbet
By Keith Gordon, Kevin Evans, Brian Speed, Trevor Senior, Gordon, Keith, Evans, Kevin, Speed, Brian, Senior, Trevor
By Paul Metcalf, Liz Hamilton, Anne Haworth, Metcalf, Paul, Hamilton, Liz, Haworth, Anne
By Briggs, Sue, etc., Brunsdon, John, Sutherland, Mairi
By Ball, Susan, etc., Cameron, Maggie, Sutherland, Mairi