By Schofield & Sims, Steve Mills, Hilary Koll
By School Mathematics Project
By School Mathematics Project, School
By Sherran, Peter, Crawshaw, Janet
By Edmondson, Andrew
By Andrew Edmondson, Edmondson, Andrew
By Fiona C Mapp
By Schofield & Sims, Patrick Berry, Rebecca Brant
By Gillham, Bill
By Neill, Hugh, Johnson, Trevor
By Brian Gaulter, Leslye Buchanan, Gaulter, Brian, Buchanan, Leslye
By Mapp, Fiona
By Maden, Helen, Sealey, Paul
By Vorderman, Carol
By Sue Atkinson, Sarah Dempsey
By Cushen, Tony
By Keith Windsor, Windsor, Keith
By Sumner, Peter, Webster, Kathryn
By Hudson, Brian, Rouncefield, Mary, McNicholas, Shelagh, Alvie, Jan
By Buxton, Pam
By Hudson, Brian, Rouncefield, Mary