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 · 15 questions

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1.Work out 20 − 8 ÷ 2 + 1
(a)16
(b)15
(c)7
(d)17
2.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)
3.Work out (5 + 2) × 3²
(a)147
(b)63
(c)23
(d)441
4.Work out (−36) ÷ (−6) × 2
(a)3
(b)6
(c)12
(d)−12
5.Work out 3 × (−2)² − 5
(a)7
(b)−3
(c)31
(d)−17
6.Work out 2 × (−3 + 7)
(a)1
(b)6
(c)−20
(d)8
7.Work out 3 + 4 × 2²
(a)28
(b)67
(c)196
(d)19
8.Work out (−6) + (−4) × 3
(a)−30
(b)−18
(c)18
(d)6
9.Work out (−2)³ + (−3)² − (−4)
(a)5
(b)−13
(c)−3
(d)21
10.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
11.Work out ((−3) + 5) × (−4) − (−6) ÷ 2
(a)−11
(b)−1
(c)−5
(d)11
12.Work out √144 − 2 × 3 + √25
(a)35
(b)11
(c)1
(d)7
13.Work out 100 − 4 × 5²
(a)0
(b)2400
(c)60
(d)−300
14.Work out 36 ÷ (2 × 3)
(a)216
(b)54
(c)6
(d)18
15.A number is divided by 5, then 6 is subtracted, giving the result −1. Work out the number.
(a)25
(b)−5
(c)1
(d)−35

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