Error Intervals – Higher – GCSE Questions These questions are the same format as previous GCSE exams. COPY means they use the exact same numbers as the original GCSE question. Otherwise, they are clone questions using different numbers. The worksheets are provided in a variety of sizes.

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GCSE GCSE GCSE GCSE Edexcel Higher: June 2017 Paper 2, Q7 A number, x, is rounded to 2 decimal places. The result is 3.58. Using inequalities, write down the error interval for x. 1 A number, x, is rounded to 2 decimal places. The result is 3.58. Using inequalities, write down the error interval for x. (Total for Question 1 is 2 marks) (Total for Question 1 is 2 marks) 2 A number, q, is rounded to 2 decimal places. The result is 5.63. Using inequalities, write down the error interval for q. 2 A number, q, is rounded to 2 decimal places. The result is 5.63. Using inequalities, write down the error interval for q. (Total for Question 2 is 2 marks) (Total for Question 2 is 2 marks) GCSE GCSE Edexcel Higher: June 2017 Paper 2, Q7 Edexcel Higher: June 2017 Paper 2, Q7 1 A number, x, is rounded to 2 decimal places. The result is 3.58. Using inequalities, write down the error interval for x. 1 A number, x, is rounded to 2 decimal places. The result is 3.58. Using inequalities, write down the error interval for x. (Total for Question 1 is 2 marks) (Total for Question 1 is 2 marks) 2 A number, q, is rounded to 2 decimal places. The result is 5.63. Using inequalities, write down the error interval for q. 2 A number, q, is rounded to 2 decimal places. The result is 5.63. Using inequalities, write down the error interval for q. (Total for Question 2 is 2 marks) (Total for Question 2 is 2 marks)

GCSE GCSE GCSE GCSE Edexcel Higher: November 2017 Paper 3, Q5 Find the value of the reciprocal of 1.6 Give your answer as a decimal. 1 Find the value of the reciprocal of 1.6 Give your answer as a decimal. (1) (1) Jonah rounds a number, y, to one decimal place. The result is 9.8 (b) Write down the error interval for y. Jonah rounds a number, y, to one decimal place. The result is 9.8 (b) Write down the error interval for y. (2) (2) (Total for Question 1 is 3 marks) (Total for Question 1 is 3 marks) GCSE GCSE Edexcel Higher: November 2017 Paper 3, Q5 Edexcel Higher: November 2017 Paper 3, Q5 1 Find the value of the reciprocal of 1.6 Give your answer as a decimal. 1 Find the value of the reciprocal of 1.6 Give your answer as a decimal. (1) (1) Jonah rounds a number, y, to one decimal place. The result is 9.8 (b) Write down the error interval for y. Jonah rounds a number, y, to one decimal place. The result is 9.8 (b) Write down the error interval for y. (2) (2) (Total for Question 1 is 3 marks) (Total for Question 1 is 3 marks)

GCSE Edexcel Higher: June 2017 Paper 2, Q7 1 A number, x, is rounded to 2 decimal places. The result is 3.58. Using inequalities, write down the error interval for x. 3.575 – 3.58 – 3.585 3.575 ≤ x < 3.585 (Total for Question 1 is 2 marks) 2 A number, q, is rounded to 2 decimal places. The result is 5.63. Using inequalities, write down the error interval for q. 5.625 – 5.63 – 5.635 5.625 ≤ q < 5.635 (Total for Question 2 is 2 marks)

GCSE Edexcel Higher: November 2017 Paper 3, Q5 1 Find the value of the reciprocal of 1.6 Give your answer as a decimal. 1 1.4 =0.625 0.625 (1) Jonah rounds a number, y, to one decimal place. The result is 9.8 (b) Write down the error interval for y. 9.75 - 9.8 – 9.85 9.75 ≤ 9.8 < 9.85 (2) (Total for Question 1 is 3 marks)

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