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.Write down the reciprocal of 5/8
(a)−8/5
(b)8/5
(c)5/8
(d)3/8
2.Work out (−3) × 4 + 10
(a)−42
(b)−2
(c)−22
(d)22
3.Work out (−3) × 4 + 2 × (−5)
(a)−22
(b)50
(c)−2
(d)22
4.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
5.Work out (−36) ÷ (−6) × 2
(a)3
(b)6
(c)12
(d)−12
6.Work out 5 + 3 × (9 − 6)
(a)14
(b)24
(c)9
(d)26
7.Work out 3 + 4 × 2²
(a)28
(b)67
(c)196
(d)19
8.Work out (−2)³ + (−3)² − (−4)
(a)5
(b)−13
(c)−3
(d)21
9.Work out 36 ÷ (2 × 3)
(a)216
(b)54
(c)6
(d)18
10.Work out 18 − 4 × 2
(a)12
(b)−10
(c)10
(d)28
11.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
12.Work out the reciprocal of (2 + 3)
(a)1/5
(b)5/6
(c)5
(d)−1/5
13.Work out √144 − 2 × 3 + √25
(a)35
(b)11
(c)1
(d)7
14.Work out the value of √(16 + 9)
(a)5
(b)12
(c)7
(d)−5
15.Work out (−2)² − 3
(a)−7
(b)1
(c)25
(d)−1

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