Range – Foundation – GCSE Questions These questions are the same format as previous GCSE exams.

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GCSE GCSE GCSE GCSE Edexcel Foundation: June 2018 Paper 3, Q15 Mary is asked to find the value of 14 – 3 × 5 Here is her working. 14 – 3 × 5 = 11 × 5 = 55 Mary’s answer is wrong. (a) Explain what Mary has done wrong. 1 Mary is asked to find the value of 14 – 3 × 5 Here is her working. 14 – 3 × 5 = 11 × 5 = 55 Mary’s answer is wrong. (a) Explain what Mary has done wrong. Roger is asked to find the range of the numbers 5 7 4 8 1 Here is his working. Range = 5 – 1 = 4 This is wrong. (b) Explain why. (1) Roger is asked to find the range of the numbers 5 7 4 8 1 Here is his working. Range = 5 – 1 = 4 This is wrong. (b) Explain why. (1) (1) (1) (Total for Question 1 is 2 marks) (Total for Question 1 is 2 marks) GCSE GCSE Edexcel Foundation: June 2018 Paper 3, Q15 Edexcel Foundation: June 2018 Paper 3, Q15 1 Mary is asked to find the value of 14 – 3 × 5 Here is her working. 14 – 3 × 5 = 11 × 5 = 55 Mary’s answer is wrong. (a) Explain what Mary has done wrong. 1 Mary is asked to find the value of 14 – 3 × 5 Here is her working. 14 – 3 × 5 = 11 × 5 = 55 Mary’s answer is wrong. (a) Explain what Mary has done wrong. Roger is asked to find the range of the numbers 5 7 4 8 1 Here is his working. Range = 5 – 1 = 4 This is wrong. (b) Explain why. (1) Roger is asked to find the range of the numbers 5 7 4 8 1 Here is his working. Range = 5 – 1 = 4 This is wrong. (b) Explain why. (1) (1) (1) (Total for Question 1 is 2 marks) (Total for Question 1 is 2 marks)

GCSE Edexcel Foundation: June 2018 Paper 3, Q15 1 Mary is asked to find the value of 14 – 3 × 5 Here is her working. 14 – 3 × 5 = 11 × 5 = 55 Mary’s answer is wrong. (a) Explain what Mary has done wrong. Roger is asked to find the range of the numbers 5 7 4 8 1 Here is his working. Range = 5 – 1 = 4 This is wrong. (b) Explain why. (1) (1) (Total for Question 1 is 2 marks)

GCSE Incorrect order of operations OR should multiply first Edexcel Foundation: June 2018 Paper 3, Q15 1 Mary is asked to find the value of 14 – 3 × 5 Here is her working. 14 – 3 × 5 = 11 × 5 = 55 Mary’s answer is wrong. (a) Explain what Mary has done wrong. Incorrect order of operations OR should multiply first Roger is asked to find the range of the numbers 5 7 4 8 1 Here is his working. Range = 5 – 1 = 4 This is wrong. (b) Explain why. (1) Range = greatest – least OR Range = 8-1 = 7 (1) (Total for Question 1 is 2 marks)

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