{"product_id":"maths-trails-book-graeme-brown-9780521700436","title":"Maths Trails","description":"The Maths Trails teacher books and CD-ROMs introduce, develop and enhance mathematical problem-solving skills.  'Excel at Problem Solving' is part of a series of mathematics enrichment titles developed by the NRICH team at Cambridge University.     This Teacher's Guide details 23 problem-solving activities arranged in a trail progressing in difficulty. Each activity focuses on a specific skill or strategy that develops a particular aspect of problem solving. The full supporting notes and CD-ROM for teachers include useful questions, prompts and hints for students and possible outcomes for each activity.","brand":"WoB","offers":[{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":49574042403089,"sku":"GOR007229979","price":64.99,"currency_code":"USD","in_stock":true},{"title":"GB \/ GOOD \/ INTERNAL","offer_id":53431270408465,"sku":"GOR010204245","price":14.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/0521700434.jpg?v=1751135356","url":"https:\/\/www.worldofbooks.com\/products\/maths-trails-book-graeme-brown-9780521700436","provider":"World of Books ","version":"1.0","type":"link"}