Mathematics GCSE
Estimation to check calculations
What Estimation to check calculations means in Mathematics GCSE, as defined for AQA.
Definition of Estimation to check calculations
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Reference: AQA
Using an estimate to check whether an exact or technology-obtained answer is reasonable, identifying errors such as a misplaced decimal point.
Topics that use Estimation to check calculations
- Measures and accuracy (AQA GCSE)
Related terms
- Applying bounds to real-life measurement problems
- Approximation by rounding
- Checking technology-obtained answers
- Error intervals and inequality notation
- Limits of accuracy
- Lower limit
- Maximising and minimising sums and differences
- Upper and lower bounds in calculations
Using Estimation to check calculations in the exam
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