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4.1.2 Estimating Calculations — OCR Mathematics J560 | GradeGen.AI
Mathematics
Approximation and Estimation
Estimation Methods
Estimating Calculations
Estimating Calculations
OCR GCSE Mathematics (J560) — Approximation and Estimation
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
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Estimating Calculations
6 key terms
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Rounding Accuracy
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Error Intervals and Bounds
