{"product_id":"christmaths-a-creative-problem-solving-math-book","title":"CHRISTmaths : A Creative Problem Solving Math Book","description":"CHRISTmaths is a creative math problem solving book with a recreational flavor, by leveraging on the Christmas theme to posing and solving nonroutine math problems. The 196-page fun book would appeal * readers wishing to brush up their mathematical problem-solving skills in a fun and recreational manner; * problem solvers wanting to experience some aha! moments while solving some fertile questions; * students and mathletes longing for some creative mathematics as they flee from drill-and-kill assessment books. CHRISTmaths answers questions such as What day of the week is Christmas in 2025? How many zeros are there in 1 x 2 x 3 x ... x 24 x 25? Was Pythagoras a pre-Christian Christian? 12 Challenges @ Christmastime ... 25 Mathematical Quickies \u0026amp; Trickies Xmas Philamath The 12 Puzzles of Christmas ... Christmas Tangrams CHRISTMAS Alphabetics The Twelve Days of Christmas .... and many more.","brand":"Thryft Singapore","offers":[{"title":"Like New","offer_id":39966747000913,"sku":"QA95","price":10.02,"currency_code":"SGD","in_stock":false},{"title":"Very Good","offer_id":39966747033681,"sku":"QA95","price":8.02,"currency_code":"SGD","in_stock":false},{"title":"Good","offer_id":39966747066449,"sku":"QA95","price":7.22,"currency_code":"SGD","in_stock":false},{"title":"Well Read","offer_id":39966747099217,"sku":"QA95","price":6.41,"currency_code":"SGD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0110\/0598\/4849\/files\/28350054.jpg?v=1717752870","url":"https:\/\/thryft.sbs\/products\/christmaths-a-creative-problem-solving-math-book","provider":"Thryft","version":"1.0","type":"link"}