FORM 2 MATHEMATICS MARKING SCHEME
[Pages:5]DIRECTORATE FOR QUALITY AND STANDARDS IN EDUCATION Department of Curriculum Management Educational Assessment Unit
Annual Examinations for Secondary Schools 2016
LEVELS 5 ? 6 ? 7
FORM 2
MATHEMATICS
MARKING SCHEME
Notes for Marking of Scripts
Types of Marks
M(ethod) marks are awarded for knowing a correct method of solution and attempting to apply it. Method marks cannot be lost for arithmetic mistakes. They can only be awarded if the method used would have led to the correct answer had not an arithmetic mistake been made. In general a correct method is implied by a correct answer and therefore when a correct answer is given and no work is shown, no method marks are lost.
A(ccuracy) marks are given for correct answer only (c.a.o.) Incorrect answers, even though nearly correct, score no marks. Accuracy marks are also awarded for incorrect answers which are correctly followed through (f.t.) from an incorrect previous answer, provided that f.t. is indicated in the marking scheme. No method (M) or accuracy (A) marks are awarded when a wrong method leads to a correct answer.
B marks are accuracy marks awarded for specific results or statements independent of the method used.
Misreading M marks can still be earned (unless that part of the question is trivialized) but the final A marks are lost.
Crossed out working An answer or working that is crossed out and not replaced is marked as if it was not crossed out. If the answer or working is replaced, then the crossed out answer or working is ignored and should not be considered for marking.
Units In general, missing or inaccurate units are not penalised unless otherwise indicated in the marking scheme.
Other Incorrect working or statement following a correct answer is ignored. Marks are not sub-divisible; no half marks may be awarded. Other abbreviations used:
o.e. (or equivalent)
e.e.o.o. (each error or omission) Markers are advised to indicate the M, A or B marks awarded in the body of the script and then
write their total in the margin. The total mark for each question should be written in the table included at the top of page 1 of the main paper. This measure facilitates the moderation of papers.
Mathematics ? Marking Scheme ? Form 2 Secondary ? L5 to L7 ? 2016
Page 1 of 5
NON CALCULATOR PAPER (25 marks)
No.
Answers
Marks
Total
1. a) 9, 16, 43, 85, 99
M1 (first and last numbers correct)
A1
b) 101, 250, 483, 515, 670
M1 (first and last numbers correct)
A1
4
M1
2. a) (i) 2, 3, 4, 6
B2 (1 mark for every two correct
(ii) any 3 factors from 1, 2, 3, 4, 6, 8, 12 and 24
factors)
B1 (all correct)
b) (i) any 3 correct multiples (ii) any 3 correct multiples
3. 180? - (45? + 30?)
105? 4. a) (i) 4 as the numerator
(ii) 3 as the numerator
B1 (all correct)
B1 (all correct)
5
M1(for adding)
M1(for subtracting)
A1
3
B1
B1
b)
5= 1
5
5.
B1, B1 4
Number
To the nearest
100
To the nearest
10
To the nearest whole
To one decimal
place
321
300
320
47.1
50
47
8.66
9
8.7
6. 32 ? 100% = 64%
50
7. a) -1 b) 4 c) -2
B4 (-1 e.e.o.o.)
4
M1, A1
2
B1
B1
B1
3
Non Calculator Total
25
Page 2 of 5
Mathematics ? Marking Scheme ? Form 2 Secondary ? L5 to L7 ? 2016
MAIN PAPER (75 marks)
No.
Answers
1. a) correct placing of numbers on the number
line
b) 80 ? 45 = 35
2. a) (i) 18
(ii) 8 b) (i) 2 ? 2 ? 2 = 8
4 ? 2 ? 2 = 16
(ii) 2, because the length of the cuboid is
double the length of the cube.
(or any other valid reason)
3. a) Isosceles triangle
Only 2
sides are equal
Rectangle
Only opposite
sides are equal
Equilateral triangle and Square
All sides are equal
b) (i)
Marks B 4 (-1e.e.o.o.)
M1, A1 B1 B1 M1, A1 M1, A1
B1
B4 (-1e.e.o.o.)
B1
Total 6
7
(ii)
c) four more shapes added correctly 4. a) correct net drawn
b) (i) 15
(ii) 10
(iii) 5
5. a) correct line drawn (? 0.2 cm)
b) correct angle drawn (? 2?)
c) correct angle drawn (? 2?)
d) complete triangle drawn
e) 9.9 (?0.2 cm)
6.
a)
(i)
55 100
=
11 20
(ii) 55, 45
b)
48 120
?
100
= 40% (or any other valid method)
c)
60 100
?
200
= 120
B1 (both lines are correct)
B2 (-1e.e.o.o.)
8
M1( attempt at drawing a net), A1
M1 (multiplying by 5)
A1
A1
A1 6
B1
B1
B1
B1
B1
5
M1, A1
B1, B1
M1, A1
M1, A1
8
Mathematics ? Marking Scheme ? Form 2 Secondary ? L5 to L7 ? 2016
Page 3 of 5
7. a) (i) 17, 19 (ii) adding two (o.e.)
b)
INPUT 14 15 16 27
OUTPUT 84 90 96 162
8. 2 9. a) (i) 16 + 7 = 23
(ii) 8 ? 7 = 56 b) 8
10. a) 4:2 b) 2:1 c) (i) 8 (ii) 4
11. a)
Frequency
10 8 6 4 2 0
Brazil Italy England Germany Team
b) Italy and England
B1(both correct) B1
B2 (1 mark for every 2 correct
answers)
4
M1, A1
2
M1, A1
M1, A1
M1 (dividing by 2)
M1 (subtracting 3)
A1
7
B1
B1
B1
B1
4
B2 (1 mark for every 2 correct
answers)
B1
3
Page 4 of 5
Mathematics ? Marking Scheme ? Form 2 Secondary ? L5 to L7 ? 2016
12. a)
1st Bag
2nd Bag
R B G Y R RR RB RG RY R RR RB RG RY G GR GB GG GY Y YR YB YG YY
B2 (1 mark for every 2 correct
entries)
41
b) 16 = 4
13.
y
a)
6
5
B 4
A
3
b)
2
1
C
x 0
-3 -2 -1 0 1 2 3 4 5
-1
c) (i)
(ii)
(iii)
14. a) plotting A(2, 4); B(3, 6)
y y 6 6
5 5 4 4 3 3
B A (4, 5)
22
1 1
C
0
O O
1 1
2 2
3 3
4 4
55 66
xx
b) joining of points c) No and correct plotting d) correct plotting and joining e) isosceles
M1 (f.t.)
A1
4
B1 (correct reflection)
B1 (correct moves to the right) B1 (correct moves down)
B1 4
B1, B1
B1(f.t.)
B1(f.t.), B1
B1
B1
7
Main Paper Total 75
Mathematics ? Marking Scheme ? Form 2 Secondary ? L5 to L7 ? 2016
Page 5 of 5
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