Mathematics GCSE
higher tier estimation
What higher tier estimation means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of higher tier estimation
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Reference: Pearson Edexcel
A Higher tier skill of estimating powers and roots of any given positive number, showing the pair of known values or the rounded base rather than a calculator display.
Topics that use higher tier estimation
- Number - Structure and calculation (Pearson Edexcel GCSE)
Related terms
- Base
- cancelling common factors
- Circumference
- Counting without replacement
- denominator
- equivalent fractions
- Error interval
- estimating roots
Using higher tier estimation in the exam
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