4024/11 May/Jun 2023, Question 5: Order of Operations
Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 2 marks
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The question, in short
Insert brackets in part a and operations in part b so that each given calculation with 3, 5, 2 and 7 becomes correct.
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Part (a) · 1 mark
Place one pair of brackets in 3 + 5 × 2 − 7 so the result equals 9.
- 1(3 + 5) × 2 − 7 = 8 × 2 − 7 = 16 − 7 = 9
Answer(3 + 5) × 2 − 7
Part (b) · 1 mark
Fill the three gaps with +, − and × so that 3, 5, 2, 7 gives 20.
- 13 × 5 − 2 + 7 = 15 − 2 + 7 = 20
Answer3 × 5 − 2 + 7
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Also searched as: 4024/11/M/J/23 · 4024_s23_qp_11 · 4024 s23 11 · question 5.
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