By Heal, Val
By Trisha Henley, Henley, Trisha
By Wright, Andrew
By Pointer, Lynne, Abbey, Sally
By Griffiths, Rose, Millard, Peter
By Griffiths, Rose, Raper, Barbara
By Merttens, Ruth, Kirkby, Dave
By SSMG
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By Morgan, Rowland
By Patilla, Peter
By Maxwell, Sadie
By Petherham, Louise
By Blinko, Janine
By Brian Jefferson, Jefferson, Brian
By School Mathematics Project
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By Collins KS2
By Hanson, David
By White, Michael
By G.R. McDuell, McDuell, G.R.
By Hussey
By Straker, Anita
By Sawyer, Ann
By Kirkby David