{"product_id":"number-book-4-book-andrew-parker-9780721707914","title":"Number Book 4","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: \tmultiplication and division by 2 and 3, \ttens and units, counting in tens \tnumber facts (for example pairs of numbers that add up to 20), \tusing a hundred square, \trecognition of coins to 50p, counting money and giving change, \tvertical addition and subtraction (without borrowing or carrying).","brand":"WoB","offers":[{"title":"GB \/ LIKE_NEW \/ INTERNAL","offer_id":49515652808977,"sku":"GOR011208294","price":10.0,"currency_code":"USD","in_stock":true},{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":49520080355601,"sku":"GOR001141199","price":10.0,"currency_code":"USD","in_stock":true},{"title":"GB \/ NEW \/ GARDNERS","offer_id":49728812941585,"sku":"NGR9780721707914","price":11.19,"currency_code":"USD","in_stock":true},{"title":"GB \/ GOOD \/ INTERNAL","offer_id":53049552240913,"sku":"GOR004092772","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/0721707912.jpg?v=1751200049","url":"https:\/\/www.worldofbooks.com\/products\/number-book-4-book-andrew-parker-9780721707914","provider":"World of Books ","version":"1.0","type":"link"}