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Acceptable: A book with obvious wear. May have some damage to the cover but integrity still intact. The binding ... Read moreabout the condition
|As a result of media and parental attention to need for improvement of core skills, this is a fast-paced mental arithmetic book to encourage mastery of two of the four rules of number. It is part of a range of books which Complete Mastery and Superhuman Calculator . The book recommends that children spend 15 minutes each day using this book to compete against themselves or against friends. They do the tests again and again becoming increasingly accurate and beating their own times. Eventually they should be able to do all the sums in 30 seconds and become a 30-second champion ! Children need scrap paper, a watch with a second hand, scrap paper and a calculator.|
|Publisher||Penguin Books Ltd|
|eBay Product ID (ePID)||95564389|
|Product Key Features|
|Additional Product Features|
|Place of Publication||London|
|Series Title||30sec. Challenge S.|
|Interest Age||From 7 to 9|
|Reading Age||From 7 to 18|
|Country of Publication||United Kingdom|
|Subject||School Textbooks & Study Guides: Maths, Science & Technical|
|Imprint||Ladybird Books Ltd|
|Date of Publication||01/07/1995|
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