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.Work out (−2)² − 3
(a)−7
(b)1
(c)25
(d)−1
2.Work out 2 × (−3 + 7)
(a)1
(b)6
(c)−20
(d)8
3.Work out 18 − 4 × 2
(a)12
(b)−10
(c)10
(d)28
4.Work out the reciprocal of (2 + 3)
(a)1/5
(b)5/6
(c)5
(d)−1/5
5.Work out 5 + 3 × (9 − 6)
(a)14
(b)24
(c)9
(d)26
6.Find the missing number: 17 × ▢ = 391
(a)23
(b)374
(c)17
(d)6647
7.A number is multiplied by 4, then 8 is added, giving the result 40. Work out the number.
(a)8
(b)128
(c)2
(d)12
8.Work out 3 × (−2)² − 5
(a)7
(b)−3
(c)31
(d)−17
9.Grace works out 7 × 99 by writing 99 as 100 − 1. Use her method to work out 7 × 99.
(a)707
(b)700
(c)693
(d)699
10.Write down the reciprocal of 0.2
(a)−0.2
(b)0.8
(c)5
(d)0.5
11.Work out 100 − 4 × 5²
(a)0
(b)2400
(c)60
(d)−300
12.Work out 20 − 8 ÷ 2 + 1
(a)16
(b)15
(c)7
(d)17
13.Work out (5 + 2) × 3²
(a)147
(b)63
(c)23
(d)441
14.Work out (−3) × 4 + 2 × (−5)
(a)−22
(b)50
(c)−2
(d)22
15.Work out 3 + 4 × 2²
(a)28
(b)67
(c)196
(d)19

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