Mathematics GCSE
Approximation by rounding
What Approximation by rounding means in Mathematics GCSE, as defined for AQA.
Definition of Approximation by rounding
Check what you remember
Read the wording for your board, then hide it and explain Approximation by rounding in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Rounding numbers to convenient values to form an estimate, such as rounding to one significant figure for a quick check.
Topics that use Approximation by rounding
- Measures and accuracy (AQA GCSE)
Related terms
- Applying bounds to real-life measurement problems
- Checking technology-obtained answers
- Error intervals and inequality notation
- Estimation to check calculations
- Limits of accuracy
- Lower limit
- Maximising and minimising sums and differences
- Upper and lower bounds in calculations
Using Approximation by rounding 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.
Start free
All Mathematics GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge