By Brown, Doug, Hunter, Jim, Hodge, J. L., Robertson, A.G., Howat, Robin D., Mullan, Edward C. K., Nisbet, Ken
By School Mathematics Project
By Brown, Doug, Howat, Robin D, Murra, G, Mullan, Edward C K, Murray, R, Nisbet, Ken, Thomson, J
By Scottish Mathematics Group
By School Mathematics Project, Ridley, Trevor
By Pluckrose, Henry
By Sanaghan, Mr Tom, Pennel, Mr Jim, Munro, Carol, Ford, Ms Carole, Dalton, Mr John, Cairns, Mr James
By Hunter, Jim, Brown, Doug, Hodge, J. L., Robertson, A.G., Howat, Robin D., Mullan, Edward C. K., Nisbet, Ken
By Mathematics in Action Group
By Logan, Brian
By Langdon, Nigel, Cook, J.
By Edward Mullan
By Brown, G., Marra, Glenys, Methven, Katrona, Mullan, Edward C. K., Murray, Ruth, Thomson, J.
By Brown, Doug, Howat, Robin D., Marra, Glenys, Mullan, Edward C. K., Murray, Ruth, Nisbet, Ken, Thomson, J.
By Brown, Doug, Howat, Robin D., Mullan, Edward C. K., Nisbet, Ken
By Scottish Primary Mathematics Group
By Anna Lewis, etc., Lewis, Anna
By Kerslake, Daphne, etc.
By Brian Bolt, Bolt, Brian
By Barry, Bill