By Seager, Brian, Handbury, Mike, Jeskins, John, Matthews, Jean, Wilde, Eddie
By Len, Anne Frobisher
By Treagust, David Franklin, Duit, Reinders, Fraser, Barry J.
By Clausen-May, Tandi
By Dr Tony Cotton, Cotton, Dr Tony
By Fleet, Tony, Liz, Brown, Andrew, Hutchinson, Sue, etc.
By Patilla, Peter, Sawyer, A., Broadbent, Paul
By Griffiths, Rose
By John Murray Publishers, Pimentel, Ric, Wall, Terry
By Hodder Education
By Goal
By Baines, Andrew
By Schofield & Sims, Steve Mills, Hilary Koll
By White, Michael
By Diyan Leake
By Bryant-Mole, Karen, Mukhida, Zul
By Johnstone, Drummond, Wakefield, Chris
By brian-speed, Speed, Brian
By Scottish Primary Mathematics Group
By Scottish Primary Maths Group SPMG