Error Intervals – Foundation – GCSE Questions – AQA 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 2 sizes.

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AQA Foundation: June 2017 Paper 3, Q23 The length of some fabric is 8 metres to the nearest metre. Complete the error interval for the length of the fabric. [1 mark] 1 (a) The length of some fabric is 8 metres to the nearest metre. Complete the error interval for the length of the fabric. [1 mark] Answer m ⩽ length < m Answer m ⩽ length < m 1 (b) The length of a different piece of fabric is 7 metres to the nearest metre. Jenny says, “The total length of the two pieces of fabric is 14 metres to the nearest metre.” Give an example to show that she could be correct. 1 (b) The length of a different piece of fabric is 7 metres to the nearest metre. Jenny says, “The total length of the two pieces of fabric is 14 metres to the nearest metre.” Give an example to show that she could be correct. [2 marks] [2 marks] AQA Foundation: June 2017 Paper 3, Q23 AQA Foundation: June 2017 Paper 3, Q23 1 (a) The length of some fabric is 8 metres to the nearest metre. Complete the error interval for the length of the fabric. [1 mark] 1 (a) The length of some fabric is 8 metres to the nearest metre. Complete the error interval for the length of the fabric. [1 mark] Answer m ⩽ length < m Answer m ⩽ length < m 1 (b) The length of a different piece of fabric is 7 metres to the nearest metre. Jenny says, “The total length of the two pieces of fabric is 14 metres to the nearest metre.” Give an example to show that she could be correct. 1 (b) The length of a different piece of fabric is 7 metres to the nearest metre. Jenny says, “The total length of the two pieces of fabric is 14 metres to the nearest metre.” Give an example to show that she could be correct. [2 marks] [2 marks]

AQA Foundation: June 2018 Paper 2, Q28 The length of each side of a regular hexagon is 7.3 cm to 1 decimal place. 1 The length of each side of a regular hexagon is 7.3 cm to 1 decimal place. 1 (a) Complete the error interval for the length of one side. 1 (a) Complete the error interval for the length of one side. [2 marks] [2 marks] cm ⩽ length < cm cm ⩽ length < cm 1 (b) Complete the error interval for the perimeter. 1 (b) Complete the error interval for the perimeter. [1 mark] [1 mark] cm ⩽ perimeter < cm cm ⩽ perimeter < cm AQA Foundation: June 2018 Paper 2, Q28 AQA Foundation: June 2018 Paper 2, Q28 1 The length of each side of a regular hexagon is 7.3 cm to 1 decimal place. 1 The length of each side of a regular hexagon is 7.3 cm to 1 decimal place. 1 (a) Complete the error interval for the length of one side. 1 (a) Complete the error interval for the length of one side. [2 marks] [2 marks] cm ⩽ length < cm cm ⩽ length < cm 1 (b) Complete the error interval for the perimeter. 1 (b) Complete the error interval for the perimeter. [1 mark] [1 mark] cm ⩽ perimeter < cm cm ⩽ perimeter < cm

AQA Foundation: November 2017 Paper 1, Q24 Three whole numbers are each rounded to the nearest 10 The sum of the rounded numbers is 50 Work out the maximum possible sum for the original three numbers. 1 Three whole numbers are each rounded to the nearest 10 The sum of the rounded numbers is 50 Work out the maximum possible sum for the original three numbers. [2 marks] [2 marks] Answer Answer AQA Foundation: November 2017 Paper 1, Q24 AQA Foundation: November 2017 Paper 1, Q24 1 Three whole numbers are each rounded to the nearest 10 The sum of the rounded numbers is 50 Work out the maximum possible sum for the original three numbers. 1 Three whole numbers are each rounded to the nearest 10 The sum of the rounded numbers is 50 Work out the maximum possible sum for the original three numbers. [2 marks] [2 marks] Answer Answer

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