Proportion (FH)
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The total cost of one adult ticket and all the child tickets was £146.
Work out the number of children Mrs Moger took to the theatre.
..................... children
(Total 3 marks)
60 g butter
30 g cheese
150 ml milk
Work out the amount of each ingredient needed to make 12 cheese scones.
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................... g butter
................... g cheese
................... ml milk
(Total 3 marks)
Veena bought exactly the same number of bread rolls and sausages.
(i) How many packs of bread rolls and packs of sausages did she buy?
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Q4.
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.....................................
(Total 3 marks)
When Jenny makes cheese scones each scone needs about 45 grams of mixture.
Work out the largest number of cheese scones that Jenny can make.
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(Total 4 marks)
Pancakes
300 ml milk
1 egg
120 g flour
5 g butter
................................................. ml
(2)
.................................................... g
(2)
(Total 4 marks)
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Special offer
£ ...........................
(3)
£ ...........................
(3)
(Total 6 marks)
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Q8. Here are the ingredients for making cheese pie for 6 people.
180 g flour
240 g cheese
80 g butter
4 eggs
160 ml milk
...................................... g
(2)
...................................... ml
(2)
(Total 4 marks)
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£ ...........................
(3)
.......................... %
(2)
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£ ...........................
(3)
(Total 8 marks)
.....................................
(2)
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........................................ %
(2)
.....................................
(2)
(Total 6 marks)
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M1.
M2.
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A1 cao
or
M1 200 ÷ 2 or 100
M1 100 × 3 or 300
A1 cao
(In any of the above methods the M marks can be
awarded for equivalent calculations with 60, 30 or 150)
M3.
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M4.
FE 380 ÷ 200 = 1.9 Regular by 3 M1 for 380 ÷ 200 (= 1.9) or 200 ÷ 380 (= 0.526)
0.1p per gram
350 ÷ 175 = 2 M1 for 350 ÷ 175 (= 2) oe or 175 ÷ 350 (= 0.5)
oe
M5.
OR
A1 cao.
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M6.
(a) 900 2
× 300 M1 for oe or oe or 300 + 300 + 300
or 37.5 seen
A1 for 900
(SC: B1 for sight of two of 3, 360 or 15)
(b) 180 2
× 120 M1 for use of or 1.5 oe, eg 120 + ‘ ’
or ‘120 ÷ 8’ × 12
A1 for 180
(SC: B1 for sight of two of 450, 1.5 or 7.5)
M7.
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(b) 17 3
× 20 = 3 M1 for × 20 oe or a correct method to
work out 10% and 5% of 20 or 2 and 1 seen
A1 for 3 cao
OR 10% = 20 ÷10
A1 ft for 20 − “3” dependant upon M1 scored
=2
[SC: B2 for 3 on answer line with no working]
5% = 2 ÷2 = 1
Alternative
15% = 2 + 1 = 3
B1 cao for 85 or 0.85 seen
20 – 3
Alternative
20 × 0.85 M1 for or “1 – 0.15” × 20
M8.
M9.
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(b) 75 2
× 100 M1 for oe
A1 cao
(c) 17 3
M1 for × 20 oe or a correct method to
× 20 = 3
work out 10% and 5% of 20, or 2 and 1 seen
A1 for 3 cao
OR 10% = 20 ÷ 10 = 2
A1 ft for 20 – “3” dependent on M1 scored
5% = 2 ÷ 2 = 1
Alternative:
15% = 2 + 1 = 3
B1 cao for 85 or 0.85 seen
20 – 3
Alternative:
20 × 0.85 M1 for × 20 or “1 – 0.15” × 20
A1 ft for a correct solution of
× 20 or “1 – 0.15” × 20
or 17 dependent on M1 scored
SC (for both alternatives) B2 for £3
M10.
(a) 2
M1
A1 cao
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(b) 30 2
× 100 M1
A1 cao
OR OR
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E1. This question was well understood and a surprising 65% of candidates obtained the
fully correct answer of 16. Many candidates tried unsuccessfully with repeated addition or
subtraction methods and did gain some marks for incorrect answers. The least successful
solutions were for those candidates who tried trial and improvement solutions as they
usually forgot the adult ticket price was different to the child ticket price. 26% of
candidates scored no marks.
E2. Foundation
About two thirds of the candidates were able to score at least 1 mark for this question.
Many candidates realised that they needed to increase the ingredients by half. Many
scored 2 marks for getting only one of the ingredients correct (usually 300), but then
accompanied this with often wild values for the other ingredients.
Higher
There were many good answers to this question. Most candidates managed to get the
300g for the self-raising flour, but then there was a noticeable tailing off in success. Those
candidates who added half as much again onto the weights given generally seemed to be
the most successful. Many candidates tried to use the unitary method, but then came
unstuck when dividing by 8. This was particularly true when the division would have led to
a decimal answer, for example, the 60g of butter. It was also disturbing to see the number
of candidates who could not successfully multiply 25 by 12.
##
Foundation
There were many good attempts at this question, with a significant number of correct
solutions. Most candidates attempted to list the multiples, but were often handicapped by
poor arithmetic, resulting in very long lists without a common multiple being found. Some
who achieved 120 in both lists then miscounted the number of 24s or 40s they had in their
list. The final mark was quite frequently lost because they thought they needed to add the
number of sausages and rolls, arriving at 240 instead of 120.
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Higher
It was pleasing to see how well candidates coped with this question. Nearly ¾ of the
candidates scored all 5 marks with a further 11% scoring 4 marks. Most candidates were
clearly aware of the need to find a common multiple of 24 and 40 but many had difficulty
adding 24 successively to produce a list of multiples. This led to some very extensive
searches as 120 was missed. The few who used factorisation or factor trees usually
completed the question well showing their understanding of LCM and HCF. Once 3 packs
of rolls and 5 packs of sausages (or multiples of these) were found, most could then go on
to find the correct number of hot dogs. However a substantial number of candidates then
either doubled their 120 or halved their 120 losing the final accuracy mark.
E6. This question was done well by the vast majority of the candidates. In part (a), most
candidates were able to find the amount of milk required to make 24 pancakes, but a few
thought that the recipe was used to make only one pancake and consequently worked out
24 × 300. In part (b), most candidates realised that they needed to find the amount of flour
to make 4 pancakes and then add this to 120 for a total of 12 pancakes. A popular
alternative approach was to find the amount of flour needed to make 1 pancake, 120 ÷ 8,
and then multiply this by 12 for the total amount. As with part (a) a common incorrect
method was to work out 12 × 120
E7. In part (a), most candidates realised the need to pay for 8 tins of cat food in order to
get 12; however a significant number of candidates made arithmetic errors in their
calculation of 40 × 8 Some candidates just worked out the cost of 12 tins, while many
assumed the offer was “buy one get one free” and just calculated the cost of 6 tins.
Part (b) was generally answered well with most candidates able, with whatever method, to
correctly work out 15% of £20. However a common error was to say 10% = £2, then 5% =
£4 rather than £1. A significant number of candidates did not then subtract the reduction
from £20 and thus failed to score the final mark.
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E8. Foundation
Most candidates were able to halve 180 correctly without any working, scoring both
available marks in part (a). However, some candidates failed to read the question carefully
and thought that you just divided 180 by 3 reaching an answer of 60. A few multiplied 180
by 3 thinking the initial ingredients were sufficient for one person.
Around 60% of the candidates managed to find that 400 ml of milk was needed in (b).
Many clearly understood what to do but lost an accuracy mark when they prematurely
rounded their answer to 160 ÷ 6, reaching a final answer somewhere between 399 and
405. A surprising number of candidates recognised the need to find the amount of milk
needed for 3 people but then proceeded to divided 160 by 3.
Higher
The correct answer to part (a) was obtained by the vast majority of candidates. Those few
candidates that did not obtain the correct answer generally divided by 3 rather than 2. Part
(b) was less well done. Approximately 5% of candidates gained only 1 out of 2 marks; this
was generally due to a loss of accuracy due to premature rounding although the incorrect
answers to 160 ÷ 2 or 160 × 2 were also frequently seen.
E9. This question differentiated well between candidates. Part (a) was quite well done,
many candidates using a diagrammatic representation or writing down lists to help them
understand the situation. These methods commonly lead to the award of at least 2 of the
3 marks available. Poor arithmetic affected some candidate’s responses whilst others just
worked out the cost of 12 tins (£4.80) or of 6 tins. This latter group seemed to be under
the illusion that the offer was equivalent to “buy one, get one free”. Many attempts to part
(b) of the question gave 9/12 as the relevant fraction, but commonly candidates were
unable to convert this to a percentage. 44% of candidates scored full marks in part (b).
Part (c) was quite well done. Some candidates worked out the price reduction but did not
subtract it from the normal price to find the sale price. Weaker candidates merely
subtracted 15(%) from (£)20 and gave the answer £5.
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E10. In many cases in part (a), candidates gave a fraction of and then either failed
to simplify it correctly or failed to complete the simplifying process.
Part (b) was quite poorly answered, many candidates misunderstanding the demand of
the question and trying to find 180% of 600. Many tried partitioning methods and often
statements like “10% = 60” were seen but solutions were unable to progress and no
marks could be awarded.
In part (c), the most popular misconception was to divide 330 by 2 (instead of 3) and then
to divide their answer by 2 again; 82.5 or similar being a common incorrect answer seen.
Some candidates failed to take account of both the yellow and red counters already
having been used, omitting usually just one of them, leading to an answer of 140 or 170.
One mark was awarded in these cases.
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