Page 69 - 01-Yr5_Front cover-ccp.indd

71
calculator
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Do [.D , 0 and@J without o colculotor.
~:l•N¥1fJ-- QJ How mony of this coin will equol these amounts? ,;2\ ~:l•I•l¥1fJ--
PAGe 56 a £1 b £5 c £7·50 d !::9·50 \.!fjl PAGE 58
[}.] How many of this coin will equal the same amounts as in L1J ? @
[Ii How many coins of this value will equal these amounts? (~~":\
a £3·20 b £5·60 c £8·80 d £9·40 ®
::£1 Show oil possible solutions to these equations.
a £. ••+ = £1 72 b £•·••+ = £2·44
c £•·••+ = £3·29
'l•" is o 1-digit number
@] Work out the cost
of a single item. b costof18
£8·1 0

a cost of 12
£6·60

d costof32~·· ,; ;-; . _· _ .
£8·96 -~ <
# •.• 1

[!] [g]

a £3·42 b £5·q5 c £ 10·80 d £28·80 e £24· 15 a 50 b 250 a 20 b 100 a 16 b 28
f £122·70 g £121·20 h £231·60 i £204·54 j £462·50 c 375 d 475 c 150 d 1qo c 44 d 47

k £110·60 1 £1qq.8o
~
[g] a £ 1 · 72 + 1 = £ 1 · 72; £3·44 + 2 = £ 1 · 72; £5-16 + 3 = £ 1 · 72; £6-88 + 4 = £ 1 · 72;
£8·60 + 5 = £1 ·72
Practical: without using a calculator, check answers to [JJ, showing
workings-out. b £2·44 + 1 = £2·44; £4·88 + 2 = £2·44; £7 ·32 + 3 = £2·44; £q· 76 + 4 = £2·44
c £3·2q + 1 = £3·2q; £6-58 + 2 = £3·2q; £q·87 + 3 = £3·2q

a 55p b 45p c 66p d 28p