Page 58 - 01-Yr5_Front cover-ccp.indd

60 RM58
• Stonegate School • • • • • • • Percentages of measures • orRM59
There were 48 passengers on this bus.
75% were children from Stonegate School. DJ Work out:
How many children from Stonegate ~=1•M41EJ._
• 50% of a £24 ·,50 b 330g c 2·5cm
were there?
• 25% of d £3·60 e 420g f 4·5cm PAGE 35
• 75% of g £9-40 h 800g i 8·2cm
W A bar of chocolate is marked as weighing 200 g
plus 25% free.
rn What is the weight of the bar?
A carpet in o sole, originally selling ot £290,
is marked 50% off.
How much would you save if you bought it?
/~./o,,e w·•rote· 25% is 12 passengers
so 75% is 36 passengers.
~,...... 36 were children.
~
DJ Using any method you prefer, work out:
a 25% of 160 b 10% of 480 c 75% of 72 d 25% of 88
e 40% of 280 f 75% of 84 g 15% of 300 h 5% of 500.
13.J There are 360 children at Stonegate School. GJ Work out:
How many are in each of these groups? (Show your workings-out.)
• 10% of a £32·50 b 230g c 1m
a 50% ore girls. b 75% come to school by car • 10% of d £1·50 e 2kg f 2·5m
c 20% bring pocked lunches. d 10% ore left-handed
e 5% ploy in the school orchestra. f 25% are less than 7 years old. @] A 1-litre bottle of cola has on extra 10% free.
g 80% attend ofter-school clubs. h 60% con swim. How many millilitres of cola do you get tree?
!]] A tree grows by 10% of its existing height in one year.
CHALLENGE If it is 5 m high to begin with. how high will it be by the end of the year?
[2J
How many solutions? • % of 120 ; • 10% of the price of a lottery ticket goes to pay expenses.
If £34 worth of tickets are sold, how much is spent on expenses?
• is a whole number.
[[j Ask your teacher if you should do RM 58 or RM 59.
1$TEPS5;261
rn rn ~
a 40 b 48 c 54 d 22 e 112 f 63 g 45 h 25 a £12·25 b 1659 c 1·25cm 100ml
d qop e 1059 f 1·125cm
[ID
g £7·05 h 6009 6·15cm
a 180 b 270 c 72 d 36 e 18 t qo g 288 h 216 5-5 metres
[gJ
Challenge [1J
2509
20 solutions: £3·40
5 % of 120 = 6 40 % of 1 20 = 48 75 % of 120 = qo
1 O % of 1 20 = 1 2 45 % of 120 = 54 80 % of 120 = q5 00
1 5 % of 1 20 = 1 8 50 % of 120 = 60 85 % of 120 = 1 02 £145 00
20 % of 120 = 24 55 % of 120 = 66 qo % of 120 = 1 05 See Resource Masters 58 and 5q_
25 % of 120 = 30 60 % of 1 20 = 72 q5 % of 1 20 = 114
30 % of 120 = 36 65 % of 1 20 = 78 1 00 % of 1 20 = 1 20 ~
35 % of 120 = 42 70 % of 120 = 84 a £3·25 b 239 c 10cm

d 15p e 2009 f 25cm