{"product_id":"number-pyramids-clarity-media-9781493760817","title":"Number Pyramids: 100 addition pyramids, complete with solutions","description":"100 pyramid maths puzzles, idea for developing your addition skills. \u003cp\u003e The rules are simple: Fill the pyramid so that every square contains a number. The value of each square in the number pyramid is the sum of the two squares directly under it. \u003c\/p\u003e\u003cp\u003e Every puzzle has a completed solution towards the back of the book, so if you get stuck along the way, take a look there  \u003c\/p\u003e\u003cp\u003e All of our puzzle books are printed on very high quality paper, making the puzzle experience all the more enjoyable  \u003c\/p\u003e\u003cp\u003e For other puzzle books, click on our author page or visit www.puzzle-book.co.uk\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Clarity Media\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1493760815\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781493760817\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Createspace Independent Publishing Platform\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 11\/13\/2013\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 74\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.24lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.00h x 6.00w x 0.15d\u003c\/p\u003e","brand":"Clarity Media","offers":[{"title":"Paperback","offer_id":43980540838143,"sku":"9781493760817","price":6.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_688ca041-5314-4006-931e-5f29f1ef6043.jpg?v=1683250491","url":"https:\/\/www.whiterainbookhouse.com\/products\/number-pyramids-clarity-media-9781493760817","provider":"WR Book House","version":"1.0","type":"link"}