Mathematics GCSE
calculating with bounds
What calculating with bounds means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of calculating with bounds
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Read the wording for your board, then hide it and explain calculating with bounds in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Choosing the pair of bounds that drives the answer to the extreme you want, such as the upper bound of the first quantity and the lower bound of the second for a difference.
Topics that use calculating with bounds
- Number - Measures and accuracy (Pearson Edexcel GCSE)
Related terms
- compound measures
- Error interval
- error intervals
- Inverse operation
- Limits of accuracy
- Lower limit
- Problem solving in context
- Significant Figure
Using calculating with bounds in the exam
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