11+ Maths - Must Know Topics - PDF Book 4. Digital Download. Covers everything you need to know about Percentages - including Percentage Change, Profit, Loss, Reverse Percentages, Percentage Relationship, Multi-step percentages, Worded Problems with Percentages, conversion from Decimals and Fractions to percentages and much more. Over 80 pages with over 320 questions, detailed Step-by-Step explanation. This is a Textbook (teaches you techniques) and a Workbook (for further practice).  Includes lots of Tips and Traps to become 11+ ready. Get it on any device within seconds of purchase! An absolute Must-Have from elevenplusvocab.com!