Edexcel GCSE Mathematics 2540 Practice Paper A – 1F Mark Scheme
No /

Working

/ Answer / Mark / Notes
1 / (a)(i)
(ii)
(b)(i)
(ii) / 73
4 spaces after 50
450
2 spaces before 700 / 2
2 / B1 cao
B1 cao
B1 cao
B1 cao
2 / (a)(i)
(ii)
(b)
(c) / 18
21
2 rectangles
1 and a half rectangles / 2
1
1 / B1 cao
B1 cao
B1 cao
B1 cao
3 / (a)
(b)
(c)
(d) / 9306
Five thousand, three hundred and forty
7360
700 / 1
1
1
1 / B1 cao
B1 cao
B1 cao
B1 accept 7 hundred, or 100 or hundred
4 / Pet / Tally / Frequency
Cat / 8
Dog / 6
Rabbit / 4
Pony / 2
/ 3 / B3 for a fully correct table
[B2 for one error]
[B1 for one correct entry in either the tally or the frequency column]
5 / (i)
(ii) / Cuboid
cylinder / 2 / B1 cao
B1 cao
6 / (a)
(b)(i)
(ii) / 6.8 cm or 68 mm
Obtuse
137 / 2
2 / B1for 6.7 to 6.9 or 67 to 69
B1 for cm or mm
B1 cao
B1 for 135 to 139
7 / (a)
(b)
(c)
(d) / (2, 4)
(0, 2)
Correct point
Correct point / 1
1
1
1 / B1 cao
B1 cao
B1 cao
B1 cao
8 / (a)
(b) / 21
Add 4 to the previous term / 1
1 / B1 cao
B1 for an answer which includes the equivalent of adding 4 each time.
9 / (a)
(b)
(c) / 2 squares shaded
8 squares shaded
18 squares shaded / 1
1
1 / B1 cao
B1 cao
B1 cao
10 / 17 − 15 / 2 / 2 / M1 for attempting to work out 5×3 first.
A1 cao
11 / (a)(i)
(ii)
(b)
(c) / -8 + 5
6 − 8 / Greece
Greenland
− 3
−2 / 1
1
1
1 / B1 cao
B1 cao
B1 cao
B1 cao
12 / (a)
(b)
(c) / 7
1 or 4
20 / 1
1
1 / B1 cao
B1 cao
B1 cao
13 / (a)
(b) / 20 × 6
210 ÷ 30 / 120
7 / 2
2 / M1 for 20 × 6
A1 cao
M1 for 210 ÷ 30
A1 cao
14 / (a)
(b)
(c)
(d) / 3 5 6 6 7 8 9 9 9 10
10 − 3
(3+5+6+6+7+8+9+9+9+10) ÷ 10 / 9
7.5
7
7.2 / 1
2
2
2 / B1
M1 for correctly ordering the 10 numbers
A1 for 7.5 oe
M1 for 10 − 3
A1 cao
M1 for
(3+5+6+6+7+8+9+9+9+10) ÷ 10
A1 for 7.2 oe
15 / Type / Tally / Frequency
/ 3 / B1 for types of transport or a list of at least 3 examples
B1 for tally
B1 for frequency or total
16 / (a)
(b)
(c)
(d) / 3a
10m
8t + 5s
6y + 10 / 1
1
2
1 / B1 cao
B1 cao
B2 for 8t + 5s oe
[B1 for 8t or 5s oe]
17 / (i)
(ii) / (180 − 40) ÷ 2 / 70
Base angles of an isos triangle
Angle sum of triangle = 180o / 3 / M1 for (180 − 40) ÷ 2
A1 for 70
B1 for base angles of an isosceles triangle are equal
18 / (a)
(b)
(c) / 10 − (2.2 × 4)
1560
× 45
7800
62400 / 444
1.20
702.00 / 1
3
3 / B1 cao
M1 for 2.2 × 4
M1 for 10 − “(2.2 × 4)”
A1 cao
M1 for attempting to multiply 1560 by 45 (condone one multiplication error)
M1 for dividing their 70200 by 100
A1 cao
19 / Hexagon of sides 4, 2, 2, 2, 6 and 4 / 2 / B2 for a correct enlargement
[B1 for at least 2 correctly enlarged sides)
SC: B1 for a correct enlargement of SF 3
20 / ¾ is greater than 4/6 so Emily has the most left / 1 / B1 for a correct comparison of ¾ and 4/6
21 / Square / Parallelogram /
Kite
Opposite angles
are equal / /
All sides are equal /
Diagonals cross at right angles / /
/ 3 / B1 for a correct column for the square
B1 for a correct column for the parallelogram
B1 for a correct column for the kite
22 / (= 30) + (=12) = 42 marks / Nish since Belinda scored 42 marks / 4 / M1 for M1
M1 for “30” + “12”
A1 for 42 and Nish
23 / 60 ÷ 5 = 12
Cheese = 12 × 2
Topping = 12 × 3 / 24
36 / 3 / M1 for 60 ÷ 5
M1 for either 12 × 2 or 12 × 3
A1 cao
24 / Badminton 30 60o
Basketball 20 40o
Football 40 80o / 4 / B2 for both frequencies correct
[B1 for 1 correct frequency]
B2 for all correct angles
[B1 for 1 or 2 correct angles]
25 / 6 tessellating quadrilaterals with no gaps / 2 / B2 for 6 extra tessellating quadrilaterals with no gaps
[B1 for any 3 tessellating quadrilaterals with no gaps but one must be inverted]
26 / (i)
(ii) / 360 − 142 / 056o
218o / 3 / B1 for 056o (accept 56o)
M1 for 360 − 142
A1 cao
27 / 600 ÷ 6 = 100
103 / 1000 / 2 / M1 for 600 ÷ 6 or 100 seen
A1 cao
28 / Translation by the vector (7)
(2)
or 7 to the right and 2 up / 2 / B1 for translation
B1 for the vector (7)
(2)
or “7 to the right and 2 up”
29 / (a)
(b) / 4
2(6a + 1) / 2
1 / M1 for 2x = 8
A1 cao
B1 cao
30 / Straight line from (-2, -3) to (3, 17) / 3 / B3 for a straight line from (-2, -3) to (3, 17)
[B2 for 5 correct points plotted or for a line, of gradient 4, passing through 5 out of the 6 correct points]
[B1 for at least 2 correct points plotted or for a straight line of gradient 4 or for a straight line passing through (0, 5)

Edexcel GCSE Mathematics 2540 Practice Paper A – 1F Mark Scheme1