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 √144 − 2 × 3 + √25
(a)35
(b)11
(c)1
(d)7
2.Work out (−2)² − 3
(a)−7
(b)1
(c)25
(d)−1
3.Work out (−6) + (−4) × 3
(a)−30
(b)−18
(c)18
(d)6
4.Work out the reciprocal of (2 + 3)
(a)1/5
(b)5/6
(c)5
(d)−1/5
5.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)
6.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
7.Work out 18 − 4 × 2
(a)12
(b)−10
(c)10
(d)28
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.Work out ((−3) + 5) × (−4) − (−6) ÷ 2
(a)−11
(b)−1
(c)−5
(d)11
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 √25 + 4² − 12 ÷ 3
(a)9
(b)17
(c)3
(d)37
13.Work out the value of √(16 + 9)
(a)5
(b)12
(c)7
(d)−5
14.Work out 36 ÷ (2 × 3)
(a)216
(b)54
(c)6
(d)18
15.Work out 20 − 8 ÷ 2 + 1
(a)16
(b)15
(c)7
(d)17

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