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 18 − 4 × 2
(a)12
(b)−10
(c)10
(d)28
2.Work out 20 − 8 ÷ 2 + 1
(a)16
(b)15
(c)7
(d)17
3.Work out 2 × (−3 + 7)
(a)1
(b)6
(c)−20
(d)8
4.Work out (−2)³ + (−3)² − (−4)
(a)5
(b)−13
(c)−3
(d)21
5.Work out 100 − 4 × 5²
(a)0
(b)2400
(c)60
(d)−300
6.Work out (−6) + (−4) × 3
(a)−30
(b)−18
(c)18
(d)6
7.Work out (−2)² − 3
(a)−7
(b)1
(c)25
(d)−1
8.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
9.Write down the reciprocal of 0.2
(a)−0.2
(b)0.8
(c)5
(d)0.5
10.Write down the reciprocal of 5/8
(a)−8/5
(b)8/5
(c)5/8
(d)3/8
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.Work out ((−3) + 5) × (−4) − (−6) ÷ 2
(a)−11
(b)−1
(c)−5
(d)11
13.Work out (5 + 2) × 3²
(a)147
(b)63
(c)23
(d)441
14.Work out 5 + 3 × (9 − 6)
(a)14
(b)24
(c)9
(d)26
15.Work out the reciprocal of (2 + 3)
(a)1/5
(b)5/6
(c)5
(d)−1/5

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