Reasonableness checking
What Reasonableness checking means in Mathematics A-Level, as defined for AQA.
Definition of Reasonableness checking
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Read the wording for your board, then hide it and explain Reasonableness checking in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Comparing the result with the context, such as checking that a length is positive or a probability is between 0 and 1.
Topics that use Reasonableness checking
- OT2: Mathematical problem solving (AQA A-Level)
Related terms
- Analytical vs numerical solutions
- contextual interpretation
- error analysis
- Error bounds and tolerance
- Interpretation and validation
- Iterative processes and convergence
- Iterative refinement
- Limitations of numerical methods
Using Reasonableness checking 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.
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