By Schofield & Sims, Steve Mills, Hilary Koll
By Math Blue Publishing
By Hodge, Paul
By Collins Easy Learning
By Rosie Hore, Luana Rinaldo
By Letts KS1
By Hilary Schofield & Sims, Koll, Mills, Oxford Designers & Illustrators Ltd
By Gareth Moore, Chris Dickason
By David Glover (Rutgers University), Tim Hutchinson (Larkmead Veterinary Group, UK)
By School Mathematics Project
By Keen Kite Books
By Richard Cooper
By Clarke, Peter
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By Soper, Sandra
By Richard Cooper, Cooper, Richard, Burville-Riley, Mark
By Murphy, Stuart J., O'Malley, Kevin
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By Dickinson, Paul, Hough, Susan, Eade, Frank, Gough, Steve, Dudzic, Stella
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By Prim-ed Publishing, Prim-ed Publishing