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.Write down the reciprocal of 0.2
(a)−0.2
(b)0.8
(c)5
(d)0.5
2.Work out the value of √(16 + 9)
(a)5
(b)12
(c)7
(d)−5
3.Work out 3 × (−2)² − 5
(a)7
(b)−3
(c)31
(d)−17
4.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
5.Work out √25 + 4² − 12 ÷ 3
(a)9
(b)17
(c)3
(d)37
6.Work out 5 + 3 × (9 − 6)
(a)14
(b)24
(c)9
(d)26
7.Find the missing number: ▢ ÷ 15 = 24
(a)360
(b)39
(c)9
(d)1.6
8.Work out 36 ÷ (2 × 3)
(a)216
(b)54
(c)6
(d)18
9.Work out (−3) × 4 + 10
(a)−42
(b)−2
(c)−22
(d)22
10.Work out (−36) ÷ (−6) × 2
(a)3
(b)6
(c)12
(d)−12
11.Work out (5 + 2) × 3²
(a)147
(b)63
(c)23
(d)441
12.Work out the reciprocal of (2 + 3)
(a)1/5
(b)5/6
(c)5
(d)−1/5
13.Work out (−2)² − 3
(a)−7
(b)1
(c)25
(d)−1
14.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
15.Work out 100 − 4 × 5²
(a)0
(b)2400
(c)60
(d)−300

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