pmr trial 2012 math (perak) q&a - wordpress.com · 2012. 9. 22. · k1 n1 2 3(a) (b) 4 3 4 –...
Post on 21-Jan-2021
4 Views
Preview:
TRANSCRIPT
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
www.papercollection.wordpress.com
SULIT
JABATAN PELAJARAN PERAK
PEPERIKSAAN PERCUBAAN PMR TAHUN 2012 MATHEMATICS 50Ogos2012
MATHEMATICS
PERATURAN PEMARKAHAN
www.papercollection.wordpress.com
ANSWER MATHEMATICS PAPER 1
1 C 21 A
2 C 22 C
3 B 23 A
4 C 24 B
5 B 25 A
6 D 26 D
7 D 27 A
8 B 28 D
9 C 29 A
10 B 30 B
11 C 31 B
12 C 32 B
13 C 33 C
14 A 34 A
15 A 35 B
16 B 36 B
17 B 37 D
18 C 38 C
19 A 39 B
20 A 40 D
www.papercollection.wordpress.com
MARKING SCHEMEMATHEMATICS PAPER 2
No Solution and Mark Scheme Sub
Mark
Full
Mark
1 289
× 67
83
or 2 23
K1
N1 2
2 0.075 or 403
68.78
K1
N1
2
3(a)
(b)
43
4 – ( � 32
)
112
or 5 12
or 5.5
N1
K1
N1 3
4(a)
(b)
�22 3x – x = 7 + 3 or – 3 – 7 = x – 3x x = 5
N1
KI
NI 3
5�
Image A’B’C’ correctly drawn Note :
1. Award N1 : Any one side drawn correctly OrCorrect image drawn using dotted lines OrCorrect image drawn by sketching
2. Ignore label
3. Accept gap or extension 41
� square grid
4. More than 1 image drawn, deduct 1 mark from N2 mark.
N2 2
www.papercollection.wordpress.com
A
B
C
A'
B'
C'
6
L
M
N
L'
M'
N'P
Point P mark correctly Note :
1. Award P1 if only intersection line drawn
2. Accept < 41 square grid for the point P
P2
2
7(a) (b)�
2x + y w² � 2w � 4w + 8 w² � 6w + 8
N1
K1
N1 3
www.papercollection.wordpress.com
8(a)
(b)
( 3x + 1 )( x – 1 )
4(x2 � 25) or 4(x2 � 52)
4(x + 5)(x � 5)
P1 P1
N1 3
9
3(2) (2 8 )
4y
x� � or 2
3(4 ) 2 (2 8 )8
x x yx
� � or
6 2 84
yx
� � or 2
12 4 168
x x xyx
� �
xy
484� or 2
8 168
x xyx� or 4(1 2 )
4y
x� or 2
8 (1 2 )8
x yx�
1 2y
x�
K1
K1
N1
3
10 x � 2 x � 9 2, 3, 5, 7
K1
K1 N1
3
11 3P = Qr + 2r r (Q+2) = 3P
23�
�Q
Pr
P1
P1
N1 3
12(a)
(b)
7
321
29
��m or 35�m or 3
5
mm
2m
N1
K1
N1 3
www.papercollection.wordpress.com
13(a)
(b)
Age (years)
Umur (tahun) FrequencyKekerapan
Age × Frequency Umur × Kekerapan
1 10 10
2 8 16
3 7 21
4 6 24
5 9 45
Complete table
nya40
116 or nya40
)4524211610( ����
2.9 or 1029 or
1092
N1
K1
N1
3
14
JanJan
FebFeb
MarMac
AprApr
MayMei
MonthBulan
Profit(RM)Keuntungan (RM)
500
1000
1500
2000
2500
3000
3500
All points plotted correctly Note: 4 or 3 points plotted correctly – award P1 Straight line passes through all the5 points Note: Sketch or dotted line, N0
P2
N1
3
www.papercollection.wordpress.com
15
Net complete and correctly drawn Note: 2 or 3 surfaces correctly drawn – award N2 Only one surface correctly drawn – award N1 Sketch or dotted line – award N0
N3
3
16(a)
(b)
(c)
JL Note: JL correctly drawn award P1 i. Arc with centre L and radius 4 units ii. Parallel line 3 units from straight line ML Mark intersection
P2
K1 K1
N1 5
17(a)
Correct construction of 60o at Q Arc 9� 0.1 cm from P intersecting any line drawn from Q Complete diagram Correct construction of perpendicular line from R to S
N1 N1 N1 K1
www.papercollection.wordpress.com
(b)
P Q
R
8.4 � 0.1 cm
N1 5
18(a) (b) (c)�
�Uniform scale on the y-axis in the range – 10 � y �17 All 7 points correctly plotted
Note: 6 or 5 points plotted correctly – award KIN0 Smooth curve passes through all the 7 points
K1
K2
N1 4
19(a)
(b)
�Q or �PQR or �RQP
QR or RQ
N1
N1 2
20 Identify RT = 4 Identify PT = 15 – 4 11
N1
K1
N1 3
www.papercollection.wordpress.com
top related