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)³ + (−3)² − (−4)
(a)5
(b)−13
(c)−3
(d)21
2.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
3.Work out ((−3) + 5) × (−4) − (−6) ÷ 2
(a)−11
(b)−1
(c)−5
(d)11
4.Work out √25 + 4² − 12 ÷ 3
(a)9
(b)17
(c)3
(d)37
5.Work out 18 − 4 × 2
(a)12
(b)−10
(c)10
(d)28
6.Work out 20 − 8 ÷ 2 + 1
(a)16
(b)15
(c)7
(d)17
7.Work out the reciprocal of (2 + 3)
(a)1/5
(b)5/6
(c)5
(d)−1/5
8.Work out (−6) + (−4) × 3
(a)−30
(b)−18
(c)18
(d)6
9.Write down the reciprocal of 0.2
(a)−0.2
(b)0.8
(c)5
(d)0.5
10.Find the missing number: 17 × ▢ = 391
(a)23
(b)374
(c)17
(d)6647
11.Work out 3 + 4 × 2²
(a)28
(b)67
(c)196
(d)19
12.Work out (−3) × 4 + 2 × (−5)
(a)−22
(b)50
(c)−2
(d)22
13.Write down the reciprocal of 5/8
(a)−8/5
(b)8/5
(c)5/8
(d)3/8
14.Work out (5 + 2) × 3²
(a)147
(b)63
(c)23
(d)441
15.Four students work out 6 + 2 × 3. Which student has worked it out correctly?
(a)Chen: 6 × 2 = 12, then 12 + 3 = 15
(b)Dev: 2 × 3 = 5, then 6 + 5 = 11
(c)Ben: 2 × 3 = 6, then 6 + 6 = 12
(d)Amy: 6 + 2 = 8, then 8 × 3 = 24

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