plumiRounding and error intervals: AQA GCSE Maths questions
Every AQA GCSE Maths exam question on N15 Rounding and error intervals, 2017–2025, with its mark scheme and examiner’s report.
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All 12 questions on Rounding and error intervals, as a list
- June 2025, Paper 2H, Q5 (4 marks): (a) The length of a fence panel is 160 cm to the nearest 10 cm Complete the error interval. Answer cm ⩽ length < cm 5 (b) A different fence panel measures 2 met
- November 2024, Paper 1H, Q16 (2 marks): When w is truncated the answer is 8 Sacha writes the error interval due to truncation as 7.5 ⩽ w < 8.5 Give a reason why Sacha is wrong and state the correct er
- November 2024, Paper 2H, Q9 (2 marks): The length of a wall is 9 metres to the nearest metre. Complete the error interval for the length of the wall. Answer m ⩽ length < m
- June 2024, Paper 1H, Q4 (2 marks): The attendance for a rugby match is 8400 people to the nearest 100 4 (a) Write down the minimum possible attendance. Answer 4 (b) Write down the maximum possibl
- November 2023, Paper 3H, Q3 (2 marks): The length of a line is 8 cm to the nearest centimetre. Complete the error interval. Answer cm ⩽ length < cm
- June 2022, Paper 3H, Q10 (1 mark): The mass of a baby is 3.6 kilograms to 1 decimal place. What is the error interval for the mass in kilograms? Tick one box. 3.5 ⩽ mass ⩽ 3.6 3.55 ⩽ mass ⩽ 3.65
- November 2020, Paper 3H, Q5 (2 marks): To the nearest 1000, there are 18 000 people at a festival. 5 (a) Write down the minimum possible number of people at the festival. Answer 5 (b) Write down the
- November 2019, Paper 3H, Q4 (1 mark): When rounded to 3 significant figures, x = 6.37 Circle the correct error interval. 6.365 ⩽ x < 6.375 6.36 ⩽ x < 6.38 6.369 ⩽ x < 6.379 6.365 ⩽ x < 6.3749
- June 2019, Paper 2H, Q2 (1 mark): The height of a tree is 12 metres, correct to the nearest metre. Circle the error interval. 11.5 m ⩽ height < 12.5 m 11.5 m ⩽ height ⩽ 12.5 m 11.5 m < height ⩽
- November 2018, Paper 3H, Q5 (2 marks): The length of a table is 110 cm to the nearest cm Complete the error interval. cm ⩽ length < cm
- June 2018, Paper 2H, Q9 (3 marks): The length of each side of a regular pentagon is 8.4 cm to 1 decimal place. 9 (a) Complete the error interval for the length of one side. cm ⩽ length < cm 9 (b)
- June 2017, Paper 3H, Q7 (4 marks): (a) The length of a pipe is 6 metres to the nearest metre. Complete the error interval for the length of the pipe. Answer m ⩽ length < m 7 (b) The length of a d
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