Heinemann Maths 6: Extension Textbook (Single), Paperback by *, , ISBN 0435022393, ISBN-13 9780435022396, Like New Used, Free P&P in the UK The "Heinemann Mathematics" scheme has been developed by the authors of the primary course "SPMG", with the aim of building on established strengths to provide a structured development of children's mathematical knowledge and skills within the revised