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GCSE Mathematics · key term
The process of removing digits beyond a chosen place value without changing the last retained digit.
Used by AQA, Edexcel and OCR
Specification N15 · Paper 1, Paper 2, Paper 3
Removing digits after a chosen place without changing the last digit kept.
Revise: Rounding and AccuracyTruncation means cutting off digits without using the next digit to round.
Specification N15 · Paper 1, Paper 2, Paper 3
For an error interval, identify the rounding or truncation step first. When rounding, halve this step to find the two boundary values.
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Truncation means cutting off unwanted digits without using the next digit to decide whether to round.
Specification 4.01c · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
Removing digits beyond a specified place without using the next digit to round the number.