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 × 2²
(a)28
(b)67
(c)196
(d)19
2.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
3.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
4.Work out 100 − 4 × 5²
(a)0
(b)2400
(c)60
(d)−300
5.Write down the reciprocal of 0.2
(a)−0.2
(b)0.8
(c)5
(d)0.5
6.Work out (−2)² − 3
(a)−7
(b)1
(c)25
(d)−1
7.Insert one pair of brackets into 2 + 3 × 5 − 1 so that the calculation is equal to 24. Which calculation is correct?
(a)(2 + 3 × 5) − 1
(b)(2 + 3) × 5 − 1
(c)2 + 3 × (5 − 1)
(d)(2 + 3) × (5 − 1)
8.Write down the reciprocal of 5/8
(a)−8/5
(b)8/5
(c)5/8
(d)3/8
9.Work out 3 × (−2)² − 5
(a)7
(b)−3
(c)31
(d)−17
10.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
11.Work out the reciprocal of (2 + 3)
(a)1/5
(b)5/6
(c)5
(d)−1/5
12.Work out the value of √(16 + 9)
(a)5
(b)12
(c)7
(d)−5
13.Work out √25 + 4² − 12 ÷ 3
(a)9
(b)17
(c)3
(d)37
14.Work out (−36) ÷ (−6) × 2
(a)3
(b)6
(c)12
(d)−12
15.Work out 18 − 4 × 2
(a)12
(b)−10
(c)10
(d)28

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