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.A number is multiplied by 4, then 8 is added, giving the result 40. Work out the number.
(a)8
(b)128
(c)2
(d)12
2.Work out (−3) × 4 + 2 × (−5)
(a)−22
(b)50
(c)−2
(d)22
3.Work out √25 + 4² − 12 ÷ 3
(a)9
(b)17
(c)3
(d)37
4.Work out (−2)³ + (−3)² − (−4)
(a)5
(b)−13
(c)−3
(d)21
5.Work out 3 × (−2)² − 5
(a)7
(b)−3
(c)31
(d)−17
6.Find the missing number: 17 × ▢ = 391
(a)23
(b)374
(c)17
(d)6647
7.Work out 18 − 4 × 2
(a)12
(b)−10
(c)10
(d)28
8.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
9.Work out √144 − 2 × 3 + √25
(a)35
(b)11
(c)1
(d)7
10.Work out (−36) ÷ (−6) × 2
(a)3
(b)6
(c)12
(d)−12
11.Work out (−6) + (−4) × 3
(a)−30
(b)−18
(c)18
(d)6
12.Work out ((−3) + 5) × (−4) − (−6) ÷ 2
(a)−11
(b)−1
(c)−5
(d)11
13.Work out (−2)² − 3
(a)−7
(b)1
(c)25
(d)−1
14.Work out (5 + 2) × 3²
(a)147
(b)63
(c)23
(d)441
15.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

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