By Cambridge University Press, School Mathematics Project
By School Mathematics Project
By Ratcliff, Brian, Eccles, Helen, SCHNEIDERMAN, David, Chaumont, Loic, David Schneiderman
By University of Cambridge Local Examinations Syndicate
By Dolan, Stan
By Bradman, Tony
By Tirion, Wil
By Williams, David
By Richards, Jack C
By Huth, Paul K., Allee, Todd L.
By Gerring, John
By Abbey, Ruth
By Green, Alison, Hurlstone, Jill, Woods, Jane
By Green, Alison, Hurlstone, Jill, Skipper, Diane, Wilce, James M.
By Green, Alison, Woods, Jane, Hurlstone, Jill
By Green, Alison, Hurlstone, Jill, Skipper, Diane, Woods, Jane
By John O'Connor, O'Connor, John
By Flower, Celeste
By Hubbard, Shelagh
By Gibson, Rex
By Grainne Nelson, Ian Aspey, Nelson, GrĂ¡inne, Aspey, Ian
By O'Connor, John
By Hashemi, Louise, Thomas, Barbara
By Keynes, R. D.
By Naylor, John
By Fraser, Gordon
By Appel, Andrew W., Palsberg, Jens