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 100 − 4 × 5²
(a)0
(b)2400
(c)60
(d)−300
2.Work out 3 + 4 × 2²
(a)28
(b)67
(c)196
(d)19
3.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)
4.Work out √144 − 2 × 3 + √25
(a)35
(b)11
(c)1
(d)7
5.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
6.Work out (−3) × 4 + 10
(a)−42
(b)−2
(c)−22
(d)22
7.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
8.Work out the value of √(16 + 9)
(a)5
(b)12
(c)7
(d)−5
9.Work out 36 ÷ (2 × 3)
(a)216
(b)54
(c)6
(d)18
10.Work out √25 + 4² − 12 ÷ 3
(a)9
(b)17
(c)3
(d)37
11.Work out 20 − 8 ÷ 2 + 1
(a)16
(b)15
(c)7
(d)17
12.Work out 2 × (−3 + 7)
(a)1
(b)6
(c)−20
(d)8
13.Work out 5 + 3 × (9 − 6)
(a)14
(b)24
(c)9
(d)26
14.Write down the reciprocal of 0.2
(a)−0.2
(b)0.8
(c)5
(d)0.5
15.Work out (−3) × 4 + 2 × (−5)
(a)−22
(b)50
(c)−2
(d)22

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