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)² − 3
(a)−7
(b)1
(c)25
(d)−1
2.Work out (−3) × 4 + 10
(a)−42
(b)−2
(c)−22
(d)22
3.Work out √25 + 4² − 12 ÷ 3
(a)9
(b)17
(c)3
(d)37
4.Work out 3 + 4 × 2²
(a)28
(b)67
(c)196
(d)19
5.Work out 3 × (−2)² − 5
(a)7
(b)−3
(c)31
(d)−17
6.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
7.Write down the reciprocal of 0.2
(a)−0.2
(b)0.8
(c)5
(d)0.5
8.Work out (−36) ÷ (−6) × 2
(a)3
(b)6
(c)12
(d)−12
9.Work out 20 − 8 ÷ 2 + 1
(a)16
(b)15
(c)7
(d)17
10.Work out (−2)³ + (−3)² − (−4)
(a)5
(b)−13
(c)−3
(d)21
11.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
12.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
13.Work out the value of √(16 + 9)
(a)5
(b)12
(c)7
(d)−5
14.Work out (−3) × 4 + 2 × (−5)
(a)−22
(b)50
(c)−2
(d)22
15.Find the missing number: ▢ ÷ 15 = 24
(a)360
(b)39
(c)9
(d)1.6

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