{"product_id":"9780721707914","title":"Number Book 4 : Book 4 by Jane Stamford","description":"Number Book is a series of graded activity books designed to help children learn basic calculation skills including addition, subtraction, multiplication and division.  Number Book 4 is suitable for children making the transition from Key Stage 1 to Key Stage 2 and includes:  multiplication and division by 2 and 3,  tens and units, counting in tens  number facts (for example pairs of numbers that add up to 20),  using a hundred square,  recognition of coins to 50p, counting money and giving change,  vertical addition and subtraction (without borrowing or carrying).\u003cbr\u003eBinding: Paperback \/ softback","brand":"Gardners","offers":[{"title":"Default Title","offer_id":56296723284341,"sku":"9780721707914","price":4.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/7193\/3106\/files\/9780721707914.jpg?v=1762773538","url":"https:\/\/backstory.london\/products\/9780721707914","provider":"Backstory","version":"1.0","type":"link"}