{"product_id":"2940150706477","title":"Great Math Tricks","description":"This book presents ways to perform fast calculations.  \u003cbr\u003e \u003cbr\u003eChapter 1 - Introduction. \u003cbr\u003e \u003cbr\u003eChapter 2 – Time Table – This chapter presents the times table up to 25. \u003cbr\u003e \u003cbr\u003eChapter 3 – Square – This chapter presents the squares of numbers up to 25. Then, it presents how square of numbers ending with 0, starting with 1 and ending with all 0’s, comprising of all 1’s, comprising of all 9’s and ending with 5.  \u003cbr\u003e \u003cbr\u003eChapter 4 – Divisibility – This chapter presents ways to detect divisibility up to number 11.","brand":"Sribatsa Das","offers":[{"title":"Default Title","offer_id":47168152109296,"sku":"2940150706477","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940150706477_p0.jpg?v=1763751965","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940150706477","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}