For most IGCSE estimating questions, round each number to [ ] before calculating.
one decimal place
the nearest integer
two significant figures
one significant figure
Flashcards for Edexcel IGCSE Maths Estimating, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 2. 22 cards, matched to the Edexcel IGCSE Maths (4MA1) specification.