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 100 − 4 × 5²
(a)0
(b)2400
(c)60
(d)−300
2.Work out the reciprocal of (2 + 3)
(a)1/5
(b)5/6
(c)5
(d)−1/5
3.Work out (−2)³ + (−3)² − (−4)
(a)5
(b)−13
(c)−3
(d)21
4.Write down the reciprocal of 5/8
(a)−8/5
(b)8/5
(c)5/8
(d)3/8
5.Work out 20 − 8 ÷ 2 + 1
(a)16
(b)15
(c)7
(d)17
6.Work out 2 × (−3 + 7)
(a)1
(b)6
(c)−20
(d)8
7.Work out 5 + 3 × (9 − 6)
(a)14
(b)24
(c)9
(d)26
8.Work out 18 − 4 × 2
(a)12
(b)−10
(c)10
(d)28
9.Work out the value of √(16 + 9)
(a)5
(b)12
(c)7
(d)−5
10.Work out √144 − 2 × 3 + √25
(a)35
(b)11
(c)1
(d)7
11.Work out (−3) × 4 + 2 × (−5)
(a)−22
(b)50
(c)−2
(d)22
12.Find the missing number: 17 × ▢ = 391
(a)23
(b)374
(c)17
(d)6647
13.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
14.Work out √25 + 4² − 12 ÷ 3
(a)9
(b)17
(c)3
(d)37
15.Work out 36 ÷ (2 × 3)
(a)216
(b)54
(c)6
(d)18

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