Mathematics GCSE
Maximising and minimising sums and differences
What Maximising and minimising sums and differences means in Mathematics GCSE, as defined for AQA.
Definition of Maximising and minimising sums and differences
Check what you remember
Read the wording for your board, then hide it and explain Maximising and minimising sums and differences in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
For a sum, add the upper bounds for the maximum and the lower bounds for the minimum; for a difference, choose bounds for the required extreme.
Topics that use Maximising and minimising sums and differences
- 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
- Estimation to check calculations
- Limits of accuracy
- Lower limit
- Upper and lower bounds in calculations
Using Maximising and minimising sums and differences in the exam
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