Printable · GCSE Higher · ages 14-16

Inverse operations and priority of operations worksheet — GCSE Higher

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 Higher

Maths · GCSE Higher · N3 · Inverse operations and priority of operations · 15 questions

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1.Write down the reciprocal of 0.2
(a)−0.2
(b)0.8
(c)5
(d)0.5
2.Work out (−6) + (−4) × 3
(a)−30
(b)−18
(c)18
(d)6
3.Find the missing number: ▢ ÷ 15 = 24
(a)360
(b)39
(c)9
(d)1.6
4.Work out (−36) ÷ (−6) × 2
(a)3
(b)6
(c)12
(d)−12
5.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
6.Work out 36 ÷ (2 × 3)
(a)216
(b)54
(c)6
(d)18
7.Work out √25 + 4² − 12 ÷ 3
(a)9
(b)17
(c)3
(d)37
8.Work out 100 − 4 × 5²
(a)0
(b)2400
(c)60
(d)−300
9.Work out √144 − 2 × 3 + √25
(a)35
(b)11
(c)1
(d)7
10.Work out (−2)² − 3
(a)−7
(b)1
(c)25
(d)−1
11.Work out (−2)³ + (−3)² − (−4)
(a)5
(b)−13
(c)−3
(d)21
12.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
13.Work out the reciprocal of (2 + 3)
(a)1/5
(b)5/6
(c)5
(d)−1/5
14.Find the missing number: 17 × ▢ = 391
(a)23
(b)374
(c)17
(d)6647
15.Work out 3 × (−2)² − 5
(a)7
(b)−3
(c)31
(d)−17

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