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 · 15 questions

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1.Work out (−6) + (−4) × 3
(a)−30
(b)−18
(c)18
(d)6
2.Work out (−2)² − 3
(a)−7
(b)1
(c)25
(d)−1
3.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
4.Work out √144 − 2 × 3 + √25
(a)35
(b)11
(c)1
(d)7
5.Find the missing number: 17 × ▢ = 391
(a)23
(b)374
(c)17
(d)6647
6.Work out 36 ÷ (2 × 3)
(a)216
(b)54
(c)6
(d)18
7.Work out 100 − 4 × 5²
(a)0
(b)2400
(c)60
(d)−300
8.Work out √25 + 4² − 12 ÷ 3
(a)9
(b)17
(c)3
(d)37
9.Work out the value of √(16 + 9)
(a)5
(b)12
(c)7
(d)−5
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 3 × (−2)² − 5
(a)7
(b)−3
(c)31
(d)−17
12.Work out 3 + 4 × 2²
(a)28
(b)67
(c)196
(d)19
13.Work out the reciprocal of (2 + 3)
(a)1/5
(b)5/6
(c)5
(d)−1/5
14.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
15.A shop buys boxes of pens for £4 each. It sells each box on to a school for £3 more than it paid, and charges an extra £2 delivery fee for the whole order. A school orders 5 boxes. Work out the total cost of the order.
(a)£45
(b)£37
(c)£25
(d)£22

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