By Holt, Michael, Evans
By Brown, Doug, Hunter, Jim, Hodge, J. L., Robertson, A.G., Howat, Robin D., Mullan, Edward C. K., Nisbet, Ken
By Gold Stars
By School Mathematics Project
By Scottish Mathematics Group
By School Mathematics Project, Ridley, Trevor
By Pluckrose, Henry
By Aldred, Peter, Cox, Charles and Stavely, Ralph, Collins KS1
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 Igloo Books Ltd
By Baines, Andrew, Bond 11+
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 Alice James, Petra Baan
By Collins KS2