{"product_id":"i-used-to-know-that-maths","title":"I Used to Know That: Maths","description":"\u003cp\u003eIf memories of learning algebra bring you out in a cold sweat and thoughts of quadratic equations cause you feelings of fear and dread, \u003ci\u003eI Used to Know That: Maths\u003c\/i\u003e can help. A light-hearted and informative reminder of the things that we learnt in school but have since become relegated to the backs of our minds, this book will help you to brush up on your mental arithmetic, including percentages, averages and recurring decimals or work on your trigonometry skills, from Pythagoras' theorem to triangle areas and angles. A practical guide to turn to when an answer is eluding you, from helping a child with homework to calculating change or understanding statistics. \u003ci\u003eI Used to Know That: Maths\u003c\/i\u003e is a fun and accessible way to re-visit all those useful tips and maths tricks that you have forgotten from your school days.\u003c\/p\u003e\u003cdiv class=\"sb-details\"\u003e\u003cp\u003e\u003cstrong\u003eGenre:\u003c\/strong\u003e Mathematics, Popular works\u003cbr\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e Paperback\u003cbr\u003e\u003cstrong\u003ePublished:\u003c\/strong\u003e 2014\u003cbr\u003e\u003cstrong\u003ePages:\u003c\/strong\u003e 192\u003cbr\u003e\u003cstrong\u003ePublisher:\u003c\/strong\u003e Michael O'Mara Books Limited\u003cbr\u003e\u003cstrong\u003eISBN:\u003c\/strong\u003e 9781782432555\u003c\/p\u003e\u003c\/div\u003e","brand":"Waring, Chris","offers":[{"title":"Very Good — £1.00","offer_id":48035201253553,"sku":"SB-1782432558-C2","price":1.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0618\/2669\/5345\/files\/1782432558.jpg?v=1792026232","url":"https:\/\/sellbooks.co.uk\/products\/i-used-to-know-that-maths","provider":"Sell Books .co.uk","version":"1.0","type":"link"}