By Sawyer, Ann, Howard, Paul
By Smith, G.R.Gilbart-, etc.
By Rayner, David
By Books, Igloo
By Ludowyk, E.F. C.
By Letts KS2
By Pluckrose, Henry, Fairclough, Chris
By Graves, Sue
By Jo Boaler
By Llewellyn, S., Greer, Alex
By Robert Crowther
By Knight, Classroom
By Down, Frances, Primrose, Alison, Bond 11+
By Lindsay, Sarah, Bond 11+
By Schofield & Sims, Steve Mills, Hilary Koll
By Lewis, G.
By Mathematics in Action Group
By Bental, L.M.
By Castle, Frank
By Graham, Christine
By Brodie, Andrew
By Pluckrose, Henry