5/24/2018 2012 Edexcel Foundation a Paper 2 Mark Scheme

1/6

For Edexcel

GCSE Mathematics

Foundation Tier

Paper 2A (Calculator)

Marking Guide

Method marks (M) are awarded for knowing and using a correct method

Accurac! marks (A) are awarded for correct answers" ha#ing used a correct

method

($) marks are independent of method marks

(C) marks are for communication

%ritten &! 'haun Armstrong

nl! to &e copied for use in the purchasers school or college

2*+2 EFA Paper 2 marks Page + , Churchill Maths -imited

5/24/2018 2012 Edexcel Foundation a Paper 2 Mark Scheme

2/6

Foundation Tier Paper 2A Marking Guide

1 (a) (i)3

10B1

(ii)1

6[ or

3

18] B1

(b) e.g.

[ any 27 squares ] M1 A1

Total

2 (a) B1

(b) 12 B1 Total 2

3 (a) ! B1

(b) " B1

(#) $entagon B1 Total 3

4 (a) 8 B1

(b) 3 B1

(#) total no. o% &o'en 3 * 16 8 36 M1

%ra#tion *

36[

1

] A1 Total

5 (a) (+2, ) B1

(b) B1

(#) see abo-e B1 Total 3

2*+2 EFA Paper 2 marks Page 2 , Churchill Maths -imited

1

2

3

y

1 2 3 6 7 8 x+6 + +3+ +2 +1

+

+

+2

+3

+1

O

B

A

D

C

5/24/2018 2012 Edexcel Foundation a Paper 2 Mark Scheme

3/6

6 2*.

3. 8. M1 A1 Total 2

7 (a) / 10 3 M1 3 A1

(b) 13 / nu'ber 310 / nu'ber M1nu'ber o% boolets 10 3 A1 Total

8 (a) 3 B1

(b)

B2

Total 3

9 (a) no

e.g. be#ause only

1

2 o% ulian4s #ounters are re5 but

'ore tan1

2o% Mia4s are re5 B2

(b) e.g. te #an#e o% ulian $i#ing an orange #ounter

is

1an5

1o% * isn4t a &ole nu'ber B2 Total

10 (a) 1.80 0.80 1.10 3.70 M110 + 3.70 6.30 A1

(b) &it tea 2.20 1.60 1.10 .*0&it %iy 5rin 3.80#ea$er by .*0 + 3.80 1.10 M1 A1 Total

2*+2 EFA Paper 2 marks Page . , Churchill Maths -imited

5/24/2018 2012 Edexcel Foundation a Paper 2 Mark Scheme

4/6

*11 e.g. 1 #' re$resents 2 '

angle o% 38 5ra&n B15istan#e on 5iagra' 9 . #' M1real 5istan#e 11 ' M1eigt abo-e groun5 11 1. 12. ' A1 :1 Total

[ use of scale drawing with scale stated and right angle leading to consistent final answer ]

12 (a) e.g. 1; o% 20000000 200000 M10.; o% 20000000 100000 A1

(b) one $ #oin &eigs 26 8 3.2 g M1tree $ #oins &eig 3 / 3.2 *.7 g A1 Total

13 'inutes 3

our B1

3

/ 70 2. ' M1 A1 Total 3

14 (a) w B1

(b) 8x+ 6x 3 2x 3 M1 A1

(#) 2(3p ) B1

(5) 8m 20 M1m 20 8 2. A1 Total 6

15 (a) total 'ust be / 20 M1e.g. 1 2 3 6 8 A1

(b) 1 2 3 6 6 B1

(#) e.g. 1 2 6 7 8 M1 A1 Total

2*+2 EFA Paper 2 marks Page / , Churchill Maths -imited

5/24/2018 2012 Edexcel Foundation a Paper 2 Mark Scheme

5/6

16 (a) x< 20 M1x< A1

(b) B1

+ +3 +2 +1 0 1 2 3 6 7

Total 3

*17 1stto 1tA$ril 1 5ays16tA$ril to 11tMay 1 11 26 5ays M112tMay to 18tune 20 18 38 5ays1 / 0.0 26 / 0.80 38 / 1.20 M1

7.0 20.80 .60 73.*0 A1=ran as not rea#e5 er target :1 Total

[ use of days in months, valid method leading to consistent conclusion, allow arithmetic slip ]

18 (a) 1 $erson, 7 nigts B11 $erson, 1 nigts 1.2 / M12 $eo$le, 1 nigts 2 / 1110 A1

* (b) %ull boar5 2 / 1.2 / 30 132 B1B > B lun# an5 5inner

1110 1 / 2 / 32 M1[ can use 1, 1! or 1" as travel days may #e included ]

1110 8*6 2006re5u#tion 2006 + 132 6811

3 o% 2006 66* M1"rina is #orre#t (tey sa-e ?ust o-er one tir5) :1 Total 7

[clear evidence of wor$ing out cost #oth ways and comparing reduction to one third]

19 (a) 9 2 / 2.2 . $oun5s B1

(b) 3 in#es 9 3 / 2. #' 7. #' M182 '' 8.2 #'82 'illi'etres is te largest A1

(#) 1 gallon 9 . litres80$ $er litre 9 . / 80$ $er gallon 3.60 $er gallon M12 / 1.* 3.*0 M1@arry is &rong, te $ri#e 5i5 not 'ore tan 5ouble A1 Total 6

20 (a) (2 20) + 30 + 30 1 M1 A1

(b) C 30t B1

(#) a$$ro. t 2. B1

(5) i% tey tin te ?ob &ill tae less tan 2. rs, Ba5ri &illbe #ea$er, i% 'ore tan 2. rs, Martin &ill be #ea$er B1 Total

2*+2 EFA Paper 2 marks Page 0 , Churchill Maths -imited

5/24/2018 2012 Edexcel Foundation a Paper 2 Mark Scheme

6/6

Mean Mai'u' Te'$erature ( :)

0 2 6 8 10

:ost o%

as

Cse5

()

20

30

2

3

0

21 ra5ius 0 #'-olu'e D / 02/120 603186 #'3 M1 A11 #'3 1 'l so 1000 #'3 1 litre B1nee5s 603.2 litres to %ill barrelti'e 603.2 se#on5s 10 'inutes 3.2 se#on5s M1so 10 'inutes to nearest 'inute A1 Total

22 (a) (i) 1

2/ 10 / 1 70 #'2 M1 A1

(ii) d2 102 12 M1d2 100 1*6 2*6

d 2*6 17.2 #' (3s%) M1 A1

(b) (i) 'ore tan 100 ti'es B1

(ii) ea#tly 100 ti'es B1 Total 7

23 (a) negati-e B1

(b) e.g. B1

(#) e.g. 0. : is outsi5e range o% 5atarelationsi$ 'ay not be -ali5 B1

* (5) 3 / 3 / 6 / 10 6 / 7 7 / 8 / 1 M1 * 2 0 2 28 8 161'ean 'a te'$ 161 31 .2 : (15$) M1using line o% best %it9 30 (%ro' gra$) A1 :1 Total 7

[clear evidence of using data to find mean and line of #est fit to estimate cost of gas]

TOTA FO! PAP"!# 100 MA!$%

2*+2 EFA Paper 2 marks Page 1 , Churchill Maths -imited