Mathematics A-Level
Reasoned estimation
What Reasoned estimation means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of Reasoned estimation
Check what you remember
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Reference: Pearson Edexcel
Judging accuracy by checking the sign and size of the answer, comparing with a graph, or using a simpler model.
Topics that use Reasoned estimation
- Overarching theme 2: Mathematical problem solving (Pearson Edexcel A-Level)
Related terms
- Adaptive problem solving
- Contextual meaning
- Diagram construction
- Error bounds
- Feasibility checking
- Free-body diagrams in mechanics
- Iterative refinement
- Limitations of numerical methods
Using Reasoned estimation in the exam
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