The lower bound is the [ ] possible value before rounding, while the upper bound is the largest boundary value.
The lower bound is the smallest possible value before rounding, while the upper bound is the largest boundary value.
Flashcards for Edexcel GCSE Maths Bounds, covering the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3. 22 cards, matched to the Edexcel GCSE Maths (1MA1) specification.