Printable · GCSE Foundation · ages 14-16

Inverse operations and priority of operations worksheet — GCSE Foundation

Fifteen questions on "inverse operations and priority of operations" — DfE statement N3. Print it, or print three versions so neighbours cannot copy by letter; the key gives the letter for each version.

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Inverse operations and priority of operations worksheet — GCSE Foundation

Maths · GCSE Foundation · N3 · Inverse operations and priority of operations · Non-calculator · 15 questions

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1.Insert one pair of brackets into 2 + 3 × 5 − 1 so that the calculation is equal to 24. Which calculation is correct?
(a)(2 + 3 × 5) − 1
(b)(2 + 3) × 5 − 1
(c)2 + 3 × (5 − 1)
(d)(2 + 3) × (5 − 1)
2.Work out ((−3) + 5) × (−4) − (−6) ÷ 2
(a)−11
(b)−1
(c)−5
(d)11
3.Work out 18 − 4 × 2
(a)12
(b)−10
(c)10
(d)28
4.Work out 36 ÷ (2 × 3)
(a)216
(b)54
(c)6
(d)18
5.Work out 2 × (−3 + 7)
(a)1
(b)6
(c)−20
(d)8
6.Find the missing number: 17 × ▢ = 391
(a)23
(b)374
(c)17
(d)6647
7.Work out 5 + 3 × (9 − 6)
(a)14
(b)24
(c)9
(d)26
8.Work out (5 + 2) × 3²
(a)147
(b)63
(c)23
(d)441
9.Find the missing number: ▢ ÷ 15 = 24
(a)360
(b)39
(c)9
(d)1.6
10.Work out (−6) + (−4) × 3
(a)−30
(b)−18
(c)18
(d)6
11.Work out (−2)² − 3
(a)−7
(b)1
(c)25
(d)−1
12.Four students work out 6 + 2 × 3. Which student has worked it out correctly?
(a)Chen: 6 × 2 = 12, then 12 + 3 = 15
(b)Dev: 2 × 3 = 5, then 6 + 5 = 11
(c)Ben: 2 × 3 = 6, then 6 + 6 = 12
(d)Amy: 6 + 2 = 8, then 8 × 3 = 24
13.A shop buys boxes of pens for £4 each. It sells each box on to a school for £3 more than it paid, and charges an extra £2 delivery fee for the whole order. A school orders 5 boxes. Work out the total cost of the order.
(a)£45
(b)£37
(c)£25
(d)£22
14.Work out 3 + 4 × 2²
(a)28
(b)67
(c)196
(d)19
15.Work out (−2)³ + (−3)² − (−4)
(a)5
(b)−13
(c)−3
(d)21

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