10-11 Year Olds (Bk. 1) (Exploring Mathematics)
by Jim Boucher, G.W. Rodda
ISBN 13: 9780850978407
Format: Paperback (32 pages) Publisher: Letts Educational Published: 13 Feb 1989
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9-10 Years (Bk. 1) (Project 7-11)
by Jim Boucher, G.W. Rodda, Ann Douglas, Valerie Ellis
ISBN 13: 9781857580839
Format: Paperback (40 pages) Publisher: Letts Educational Published: 01 Nov 1992 Other Format: Paperback