plumiRounding and error intervals: Edexcel GCSE Maths questions
Every Edexcel 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 16 questions on Rounding and error intervals, as a list
- June 2025, Paper 3H, Q5 (2 marks): Karim rounds a number, n, to 1 decimal place. The result is 23.8 Complete the error interval for n. n <
- November 2024, Paper 3H, Q7 (2 marks): Jana used her calculator to find the value of a number t. The answer on her calculator began 10.2 Complete the error interval for t. t <
- June 2024, Paper 2H, Q9 (2 marks): A number N is rounded to 2 significant figures. The result is 7.3 (a) Write down the least possible value of N. Leila says, “The value of N cannot be greater th
- November 2023, Paper 2H, Q8 (2 marks): A number x is written correct to 2 significant figures. The result is 1.9 Complete the error interval for x. x <
- June 2023, Paper 2H, Q7 (2 marks): A number, d, is rounded to 1 decimal place. The result is 12.7 Complete the error interval for d. d <
- November 2022, Paper 3H, Q12 (2 marks): Martin used his calculator to work out the value of a number P. He wrote down the first two digits of the answer on his calculator. He wrote down 1.2 Complete t
- June 2022, Paper 2H, Q3 (2 marks): The length of a football pitch is 90 metres, correct to the nearest metre. Complete the error interval for the length of the football pitch. m length < m
- November 2021, Paper 3H, Q11 (2 marks): Freya writes down the value of x, correct to 1 decimal place. She writes x = 6.4 Complete the error interval for x. x <
- November 2020, Paper 3H, Q3 (2 marks): A number, m, is rounded to 1 decimal place. The result is 9.4 Complete the error interval for m. m <
- November 2019, Paper 2H, Q2 (2 marks): The length of a pencil is 128 mm correct to the nearest millimetre. Complete the error interval for the length of the pencil. mm length mm
- November 2019, Paper 3H, Q2 (3 marks): (a) Use your calculator to work out Write down all the figures on your calculator display. (b) Write your answer to part (a) correct to 4 significant figures.
- June 2019, Paper 2H, Q6 (2 marks): Sally used her calculator to work out the value of a number y. The answer on her calculator display began 8.3 Complete the error interval for y. - y
- November 2018, Paper 2H, Q9 (2 marks): Martin truncates the number N to 1 digit. The result is 7 Write down the error interval for N.
- November 2018, Paper 3H, Q1 (3 marks): (a) Write 7357 correct to 3 significant figures. 2 17 + 4 (b) Work out 2 7 3 . Write down all the figures on your calculator display.
- November 2017, Paper 3H, Q5 (3 marks): (a) Find the value of the reciprocal of 1.6 Give your answer as a decimal. Jess rounds a number, x, to one decimal place. The result is 9.8 (b) Write down the e
- June 2017, Paper 2H, Q7 (2 marks): A number, n, is rounded to 2 decimal places. The result is 4.76 Using inequalities, write down the error interval for n.
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