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Estimating Calculations — OCR GCSE Maths J560
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Mathematics
OCR GCSE Mathematics
Approximation and Estimation
Estimation Methods
Estimating Calculations
OCR GCSE Mathematics · J560
Estimating Calculations
What you need to know
Estimate or verify calculation results without a calculator using suitable approximations.
Estimate or verify results of complex calculations, including those with roots, without a calculator.
Use the approximation symbol ≈ appropriately.
Revision notes
1
Estimating Calculations
6 key terms
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Rounding Accuracy
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Error Intervals and Bounds
