0580/12 Oct/Nov 2022, Question 6: Order of Operations
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Calculator · 2 marks
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The question, in short
Insert one pair of brackets into each numerical statement so that the calculation gives the stated result.
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Part (a) · 1 mark
Place one pair of brackets in 10 − 4 ÷ 2 + 18 so it equals 21.
- 1(10 − 4) ÷ 2 + 18 = 6 ÷ 2 + 18 = 3 + 18 = 21
Answer(10 − 4) ÷ 2 + 18 = 21
Part (b) · 1 mark
Place one pair of brackets in 7 × 3 + 1 + 2 so it equals 30.
- 17 × (3 + 1) + 2 = 7 × 4 + 2 = 28 + 2 = 30
Answer7 × (3 + 1) + 2 = 30
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Also searched as: 0580/12/O/N/22 · 0580_w22_qp_12 · 0580 w22 12 · question 6.
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