Cambridge Mathematics Direct 6 Numbers and the Number System SolutionsAlison Brunt, Jane Crowden, Maggie Fairweather, Elaine Kilner, Andrew King, Madeline Swarbrick, Elizabeth Toohig, Cathy Tracy · First published 2001Open the Tome
Cambridge Mathematics Direct 4 Calculations SolutionsAnne Barber, Alison Brunt, Katharine Cobb, Salliann Coleman, Sandy Cowling, Avril-Jan Crack, Peter Crawford, Zubeida Dasgupta, Gill Hatch, Lorely James, Gary Murrell, Marian Reynolds, Fay Turner · First published 2000Open the Tome
