GRADE D Maths Assessment
A
1(a)
Number
Equivalents
Test 6 Answers
Answer
0.15
15%
2
5
7
100
7%
1(b)
Order the numbers
3
5
0.4
62%
5
8
0.63
Mark
Criteria
1
2
(-1 per
error)
1
1
2
Decrease £56 by 25%
25% = £14
Sale price= £56 - £14 = £42
1
1
2
3(a)
Write 12:15 in form 1:n
1 : 1.25
1
3
(b)
How much yellow paint?
1.5 litres of yellow paint
1
(c)
4
Amount of leeks needed
25.6 x 3.4 = 87.04
Work out 87.04 ÷ 34
400g
2.56
1
1
5(a)
(b)
3 2
4 5
3
x
4
15 8
20 20
7
=
20
3
B
6(a)
Algebra
Expand: b(2b – 5)
(b)
7
Factorise: xy + 4x
Solve: 4(x + 2) = 10
8(a)
(b)
21
4
5
1
1
4
Mark
1
Criteria
6
1
1
7
10th term
x(y + 4)
4x + 8 = 10
4x = 2
x=½
26
1
8
3rd term
2x3 – 7 = -1
1
2
2b – 5b
9
9(a)
(b)
Complete table
-2
7
Draw graph of y=3x+1
y
1
12
Points
10
8
6
4
2
–2
–1
O
1
2
3
x
–2
–4
1
–6
Graph
–8
–10
–12
10
Midpoint
(6, 4)
1
10
11(a)
Form expression
S= 5x + 90
1
11
Value of y2 +2y when y = -4
16 – 8 = 8
1
(b)
C
12
Geometry and Measures
Calculate bearing
Mark
1
Criteria
12
13(a)
Find missing angle ‘x’
x=103
corresponding angles are equal
1
13
Find missing angle ‘y’
26
1
14
Exterior angle of polygon
360 ÷ 40 = 9
1
14
15
Construct triangle
1
15
1
16
(b)
290
0
16 c
1
a) Side
b) Sketch
17
Enlargement sf 3
1
17
18
Reflect in y=3
1
18
19
A
19
Area of trapezium
½ (8 + 12) x 5 = 50cm2
1
20(a)
TSA of triangular prism
6+6+50+40+30
=132cm2
1
(b)
21
D
22
23
Volume
Find area of circle with
radius 7cm
20
60cm3
Π x 72
=153.9cm2
1
21
1
Data Handling
Complete a 2-way table
Complete a stem & leaf
diagram
14
15
16
17
18
7
1
4
1
9
7
2
5
2
9
London
York
Total
Boys
23
14
37
Girls
19
24
43
Total
42
38
80
7 8
3 5 8
6 6 7
8
8
Key: 17 8 = 178
Mark
2
(-1 per
error)
Criteria
22
1
23
Key
1
Diagram
24(a)
(b)
25
26
Median number of
doughnuts
5
1
Mean number of
doughnuts
101 ÷ 19 = 5.3
2
Comment on heights
Missing probability
Team A smaller in height on average but more consistent
1-0.64 = 0.36
1
1
24
25
26