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.Find the missing number: ▢ ÷ 15 = 24
(a)360
(b)39
(c)9
(d)1.6
2.Work out 2 × (−3 + 7)
(a)1
(b)6
(c)−20
(d)8
3.Find the missing number: 17 × ▢ = 391
(a)23
(b)374
(c)17
(d)6647
4.Work out (−3) × 4 + 2 × (−5)
(a)−22
(b)50
(c)−2
(d)22
5.Work out 18 − 4 × 2
(a)12
(b)−10
(c)10
(d)28
6.Work out the value of √(16 + 9)
(a)5
(b)12
(c)7
(d)−5
7.Work out 3 × (−2)² − 5
(a)7
(b)−3
(c)31
(d)−17
8.Work out 100 − 4 × 5²
(a)0
(b)2400
(c)60
(d)−300
9.Work out (−36) ÷ (−6) × 2
(a)3
(b)6
(c)12
(d)−12
10.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
11.Work out 20 − 8 ÷ 2 + 1
(a)16
(b)15
(c)7
(d)17
12.Work out 36 ÷ (2 × 3)
(a)216
(b)54
(c)6
(d)18
13.Work out √25 + 4² − 12 ÷ 3
(a)9
(b)17
(c)3
(d)37
14.Write down the reciprocal of 0.2
(a)−0.2
(b)0.8
(c)5
(d)0.5
15.Work out the reciprocal of (2 + 3)
(a)1/5
(b)5/6
(c)5
(d)−1/5

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