Mathematics GCSE
Checking the reasonableness
What Checking the reasonableness means in Mathematics GCSE, as defined for AQA.
Definition of Checking the reasonableness
Check what you remember
Read the wording for your board, then hide it and explain Checking the reasonableness in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Using estimation to check an answer, since a speed in m/s will have a smaller numerical value than the same speed in km/h.
Topics that use Checking the reasonableness
- Ratio, proportion and rates of change (AQA GCSE)
Related terms
- Algebraic rearrangement of compound-unit formulae
- Chord versus tangent
- Comparing quantities of the same kind
- compound interest
- Compound Measure
- compound unit
- constant of proportionality
- Converge
Using Checking the reasonableness 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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