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 (−3) × 4 + 10
(a)−42
(b)−2
(c)−22
(d)22
2.Work out (5 + 2) × 3²
(a)147
(b)63
(c)23
(d)441
3.Find the missing number: 17 × ▢ = 391
(a)23
(b)374
(c)17
(d)6647
4.Work out ((−3) + 5) × (−4) − (−6) ÷ 2
(a)−11
(b)−1
(c)−5
(d)11
5.Work out 100 − 4 × 5²
(a)0
(b)2400
(c)60
(d)−300
6.Work out the reciprocal of (2 + 3)
(a)1/5
(b)5/6
(c)5
(d)−1/5
7.Write down the reciprocal of 5/8
(a)−8/5
(b)8/5
(c)5/8
(d)3/8
8.Work out the value of √(16 + 9)
(a)5
(b)12
(c)7
(d)−5
9.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
10.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
11.Work out (−2)² − 3
(a)−7
(b)1
(c)25
(d)−1
12.Work out 36 ÷ (2 × 3)
(a)216
(b)54
(c)6
(d)18
13.Work out √144 − 2 × 3 + √25
(a)35
(b)11
(c)1
(d)7
14.Write down the reciprocal of 0.2
(a)−0.2
(b)0.8
(c)5
(d)0.5
15.Work out 3 × (−2)² − 5
(a)7
(b)−3
(c)31
(d)−17

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