{"product_id":"437189-1","title":"I Used to Know That: Maths","description":"Brand New From Reputable UK Company With 30 Years Experience In Retail, Please Note Not All Our New Items Are Shrink Wrapped.\u003cbr\u003eAll items shipped within 3 working days of payment.\u003cbr\u003ePlease note that all our DVDs are Region 2.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eBrush 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. I Used To Know That: Maths is a fun and accessible way to re-visit all those useful tips and maths tricks that you have forgotten from your school days.","brand":"Chalkys.com","offers":[{"title":"Default Title","offer_id":54297768591745,"sku":"437189","price":10.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0056\/8043\/1219\/files\/41lfcMnATZL._SL1500_cd8312dc-27e8-46cd-98a0-80a7baa3ba6a.jpg?v=1747078569","url":"https:\/\/chalkys.com\/products\/437189-1","provider":"Chalkys.com","version":"1.0","type":"link"}