Edexcel IGCSE Maths Paper 1 Revision Notes Concise resources for the Edexcel IGCSE Maths Course Worksheet1.1 Different types of numbersa) Different types of numbers & surds1.2 Multiples & factorsa)Multiples & Factors Part 1b)Multiples & factors Part 21.3LCM and HCF 1.4Prime Factors1.5 Powers & roots1.6 Working with directed numbers1.7 Order of Operations1.8 Rounding Numbers