Limits of accuracy
What Limits of accuracy means in Mathematics GCSE, as defined for AQA, Pearson Edexcel.
Definitions of Limits of accuracy
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Limits of accuracy in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
The range of possible true values that a rounded measurement represents, also called bounds.
Describe the range of values that round to a given stated value.
Topics that use Limits of accuracy
- Measures and accuracy (AQA GCSE)
- Number - Measures and accuracy (Pearson Edexcel GCSE)
Related terms
- Lower limit
- Upper limit
- Applying bounds to real-life measurement problems
- Approximation by rounding
- calculating with bounds
- Checking technology-obtained answers
- compound measures
- Error interval
Using Limits of accuracy in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Mathematics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge