Question 11 mark
Question
The probability of picking a green pen from a box is 0.17 . Find the probability of not picking a green pen from the box. …… [1]
Mark scheme
1 0.83 oe 1
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Cambridge IGCSE Mathematics (0580), Paper 2 (Extended), May/June 2025. Read both free below, or download them. Done the paper? Get it marked by AI against this mark scheme.
0580_s25_qp_230580_s25_ms_230580/23/M/J/25
Each question as it's printed, and the mark scheme's points for it, as text. Diagrams, tables and graphs are in the PDFs above.
Question
The probability of picking a green pen from a box is 0.17 . Find the probability of not picking a green pen from the box. …… [1]
Mark scheme
1 0.83 oe 1
Question
A x° E 30° 104° y° F NOT TO SCALE D 130° B 70° C ABCD is a quadrilateral. CDE is a straight line. AFB is an isosceles triangle. Find the value of x and the value of y. x = …… y = …… [4] * 0000800000004 * DFD 4
Mark scheme
2 x = 84 4 B2 for x = 84 y = 75 or M1 for CDA = 76 or 360 – 70 – 130 – (180 – 104) oe B2 for y = 75 or M1 for (180 – 30) ÷ 2
Question
E NOT TO SCALE D C M A B The diagram shows a pyramid ABCDE with a square base. M is the centre of the square base. E is vertically above M. (a) Write down the number of planes of symmetry of this pyramid. …… [1] (b) Using two of the letters from A, B, C, D, E and M, complete the statement about the pyramid. The axis of rotational symmetry passes through the points …… and …… [1]
Mark scheme
3(a) 4 1 3(b) E and M 1
Question
The number of ice creams sold increases as the temperature rises. What type of correlation does this statement describe? …… [1] * 0000800000005 * DFD 5
Mark scheme
4 Positive 1
Question
y 9 8 7 6 B 5 4 3 A 2 1 –7 –6 –5 –4 –3 –2 –1 0 1 2 3 4 5 6 7 8 9 10 11 x –1 –2 –3 –4 –5 –6 –7 (a) Describe fully the single transformation that maps triangle A onto triangle B. …… [3] (b) On the grid, draw the image of (i) triangle A after a reflection in the line x =-1 [2] (ii) triangle A after a rotation 90° clockwise, centre (1, -2). [2] * 0000800000006 * DFD 6
Mark scheme
5(a) Enlargement 3 B1 for each [Scale factor] 3 (1, 2) 5(b)(i) Triangle at (–6, 1), (–3, 3), (–4, 4) 2 B1 for reflection in x = k or in y = –1 5(b)(ii) Triangle at (4, –5), (6, –2), (7, –3) 2 B1 for correct 90° anticlockwise rotation about (1, –2) or correct orientation, wrong centre
Question
There are 15 giraffes in a group. The table gives information about the heights of the 15 giraffes. One giraffe has a height of 2.6 m No giraffe is shorter than 2.5 m The range of heights for the 15 giraffes is 2.3 m More than 3 giraffes have the same height The modal height for the giraffes is 3.9 m The stem-and-leaf diagram shows information about the height of 9 of these giraffes. 2 5 3 2 7 7 4 1 1 4 5 7 Key: 4|1 represents a giraffe height of 4.1 m Use the information in the table to complete the stem-and-leaf diagram for the group of 15 giraffes. [3] * 0000800000007 * DFD 7
Mark scheme
6 2 5 6 3 B1 for each correct row 3 2 7 7 9 9 9 9 4 1 1 4 5 7 8
Question
Work out. 5 7 (a) - 6 12 Give your answer as a fraction in its simplest form. …… [2] 1 8 (b) 1 ' 3 15 Give your answer as a mixed number in its simplest form. …… [3]
Mark scheme
7(a) 1 2 M1 for correct method to find common cao 4 10 7 denominator e.g. and , 12 12 60 42 and 72 72 7(b) 1 3 4 15 2 cao M2 for × 2 3 8 20 8 or ÷ oe with common 15 15 denominator 4 their k 15 or M1 for or for × , where 3 3 8 k>3
Question
(a) Write 42 as a product of its prime factors. …… [2] (b) Find the highest common factor (HCF) of 84 and 70. …… [2] * 0000800000008 * DFD 8
Mark scheme
8(a) 2×3×7 2 B1 for 2, 3, 7 or M1 for correct factor tree/diagram/table 8(b) 14 2 B1 for answer 2 or 7 or M1 for 2 × 7 as final answer or 84 = 2 × 2 × 3 × 7 and 70 = 2 × 5 × 7 or 2 correct factor trees or tables
Question
(a) Solve. 5x 2 = 12 - 17x x = …… or x = …… [4] (b) ax 2 + a = b where a and b are integers. One solution of this equation is x = 6 . Write down the other solution. x = …… [1]
Mark scheme
9(a) 3 4 M1 for 5x2 + 17x – 12 [= 0] or 0.6 5 and –4 M2 for correct method to solve their ax2 + bx – c [= 0] e.g. factorising (5x – 3)(x + 4) [= 0], completing the square or using the formula or M1 for (5x + a)(x + b) where ab = –12 or 5b + a = 17 or correct partial factorisation e.g. 5x(x + 4) – 3(x + 4) or for 172 − 4 ( 5)( −12 ) or better −17 + d −17 − d or or 2 ( 5) 2 ( 5) 9(b) –6 1
Question
Solve the simultaneous equations. 4x - 5y = 13 3x - 2y = 8 x = …… y = …… [4] * 0000800000009 * DFD 9
Mark scheme
10 [x =] 2 4 M1 for correctly equating one set of [y =] –1 coefficients or for making x or y the subject of one equation M1 for correct method to eliminate one variable A1 for x = 2 A1 for y = –1 If M0 scored, SC1 for 2 values satisfying one of the original equations
Question
Angela picks a number at random from the numbers 1, 2 and 3. She then picks a number at random from the numbers 4, 5 and 6. She adds the two numbers to find the total. (a) Complete the table to show the possible outcomes. First number + 1 2 3 4 5 6 7 Second number 5 6 [2] (b) Given that the total is odd, find the probability that one of the numbers Angela picks is 3. …… [2] 2
Mark scheme
11(a) 2 B1 for 4 correct First number + 1 2 3 Second 4 5 6 7 number 5 6 7 8 6 7 8 9 11(b) 2 2 c oe B1 for answer where c < 5 5 5 2 or seen in working 5
Question
(a) v =e o -3 Find 5v. f p [1] (b) H is the point (-3, 8) and K is the point (-4, 0). 7 HJ = e o -2 Find JK . …… [4] * 0000800000010 * DFD 10
Mark scheme
12(a) 10 1 −15 12(b) 10 4 B3 for answer ±10 OR M3 for (–4 – 4)2 + (0 – 6)2 oe or better OR −4 4 M2 for − oe 0 6 −1 or B1 for [J =] (4, 6) soi or −8 M1 for (their –8) + (their –6)2 oe or 2 better
Question
F A 60° 35° NOT TO SCALE E D B C A, B, C and D are points on a circle. EF is a tangent to the circle at A. AB is parallel to DC. (a) Find angle DCB, giving a geometrical reason. Angle DCB = …… because …… …… [2] (b) Find angle DBC. Angle DBC = …… [2]
Mark scheme
13(a) 120 2 B1 for 120 or a fully correct reason and opposite angles of a cyclic quadrilateral sum to 180° 13(b) 25 2 M1 for (180 – 120) – 35 or B1 for ABC = 60 or ABD = 35
Question
Find the lowest common multiple (LCM) of 15xy 3 and 18x 4 y . …… [2] * 0000800000011 * DFD 11
Mark scheme
14 90x4 y3 final answer 2 B1 for two correct parts from: 90, x4 and y3 or for 3×5×x×y×y×y and 2×3×3×x×x×x×x×y or for correct answer seen then spoilt
Question
(a) Simplify. 27 + 12 …… [2] 40 8 (b) = k , where k is an integer. 5 2 Find the value of k. k = …… [2] (c) Rationalise the denominator. 1 3- 5 …… [2] o o as a fraction in its simplest form.
Mark scheme
15(a) 5 3 2 B1 for 3 3 or 2 3 15(b) 16 2 8 4 2 M1 for 40 × 2 2 , 8 ×2 2 , or 2 40 8 2 or better 5 2 2 or B1 for 8 4 or 256 15(c) 3+ 5 2 1 3+ 5 M1 for × oe 4 3− 5 3+ 5
Question
Write 0.328 …… [3] * 0000800000012 * DFD 12
Mark scheme
16 65 3 65 cao B2 for a fraction equivalent to e.g. 198 198 325 990 3 28 or M1 for 328.28 − 3.28 oe or + 10 990 k oe or 990x = 325 or 990
Question
Solid A is mathematically similar to solid B. H cm NOT TO SCALE 7 cm Solid A Solid B The height of solid A is 7 cm and its surface area is 60 cm 2 . The surface area of solid B is 540 cm 2 . Calculate the height of solid B. …… cm [3]
Mark scheme
17 21 3 540 60 M2 for 7 × oe or 7 ÷ oe 60 540 540 60 or M1 for oe or oe or 60 540 2 7 60 = oe H 540
Question
Make t the subject of the formula. m (1 - t) 2= pt t = …… [4]
Mark scheme
18 m 4 M1 for correctly clearing their fraction [t = ] final answer M1 for correct expansion 2p+m M1 for correctly collecting their terms in t on one side and other terms on the other side, not dividing by 1 – t M1 for correct factorisation and division of their two-term expression in t To a maximum of 3 marks for an incorrect answer
Question
Simplify. 7x - x 2 49 - x 2 …… [3] * 0000800000013 * DFD 13
Mark scheme
19 x 3 B1 for x(7 – x) final answer 7+ x B1 for (7 – x)(7 + x)
Question
A NOT TO 40° B SCALE O The diagram shows a sector of a circle, centre O. The radius of the circle is 6 cm. Calculate the length of the major arc AB. Give your answer in its simplest form in terms of r . ……cm [3]
Mark scheme
20 32 2 3 360 − 40 π or 10 π cao M2 for × π ×6 ×2 3 3 360 360 − 40 22 or × × 6 × 2 oe 360 7 40 or M1 for × π × 6 × 2 oe 360 or B1 for major sector angle = 320 soi or 12π
Question
(a) Differentiate x 3 - 3x 2 + 1. …… [2] (b) Find the coordinates of the turning points of the graph of y = x 3 - 3x 2 + 1. ( …… , …… ) ( …… , …… ) [4] * 0000800000014 * DFD 14
Mark scheme
21(a) 3x2 – 6x or 3x(x – 2) 2 B1 for 3x2 – kx or kx2 – 6x or correct answer spoilt or SC1 for 3x2 – 6x + 1 21(b) (0, 1) 4 B3 for one correct coordinate or for two (2, –3) correct values of x following 3x2 – 6x oe seen in (b) or M2 for [3]x(x – 2) [= 0] or −−6± ( −6)2 − 4 × 3 × 0 [= 0] oe 2×3 OR dy dy M1 for their = 0 or stating =0 dx dx M1 for correct method to solve their quadratic
Question
f (x) = 2x + 5 g (x) = x - 4 h (x) = 5 x (a) Find f (3) . …… [1] (b) Find f -1 (x) . f -1 (x) = …… [2] (c) Solve fg (x) = 25 . x = …… [3] (d) Find x when h -1 (x) = 2 . x = …… [2] * 0000800000015 * DFD 15
Mark scheme
22(a) 11 1 22(b) x −5 2 M1 for correct first step 2 y −5 x = 2y + 5 or y – 5 = 2x or =x 2 y 5 or = x+ 2 2 22(c) 14 3 M2 for x – 4 = (25 – 5) ÷ 2 oe or better or 2x – 8 = 25 – 5 oe or better or M1 for 2(x – 4) + 5 = 25 22(d) 25 2 M1 for h(2) or 52
Question
(a) Write down the value of cos 90°. …… [1] (b) x NOT TO SCALE n 30° 30° The diagram shows two different right-angled triangles joined by a common side. Find x in terms of n. x = …… [5] Question 24 is on the next page. * 0000800000016 * DFD 16
Mark scheme
23(a) 0 1 23(b) 4n 4n 3 5 B4 for correct explicit expression to find [x =] or oe x 3 3 2n 2n e.g. x = or x = oe cos30 3 2 OR M3 for correct explicit method to find x n ÷ sin 30 with 2 trig functions e.g. x = cos30 oe or a correct implicit method with one trig 2n function e.g. cos 30 = oe x OR B2 for hypotenuse of lower triangle = 2n or M2 for any correct implicit method with 2 trig functions e.g. cos 30 = n ÷ sin 30 oe x OR M1 for seeing any correct trig value from sin 30 or cos 60 = 0.5, cos 30 or 3 3 sin 60 = or tan 30 = oe 2 3 or for hypotenuse of lower triangle = n oe sin 30
Question
(a) A is the point (a, 12) and B is the point (b, 27). (i) Find the y-coordinate of the midpoint of AB. …… [1] (ii) The line AB has gradient 3. Find an expression for a in terms of b. a = …… [3] (b) D is the point (22, 34) and E is the point (23, 39). D is the point on CE such that 2CE = 5DE. Find the coordinates of C. ( …… , …… ) [3]
Mark scheme
24(a)(i) 19.5 1 24(a)(ii) [a =] b – 5 oe 3 27 −12 M1 for 3 = oe b−a M1 for 3(b – a) = 27 – 12 or better 27 −12 e.g. [a =] b – 3 24(b) 41 53 3 SC2 for answer (25.5, 51.5) or (20.5, 26.5) or ( , ) 2 2 51 103 ( , ) 2 2 OR 5 M2 for 23 − ( 23 − 22) 2 5 or 39 − ( 39 − 34 ) oe 2 or sketch 12.5 2.5 2.5 −2.5 or vector e.g. or 12.5 −12.5 or M1 for 5 1 5 5 ( 23 − 22) or ( 39 − 34 ) 2 2 1 −1 or vector e.g. or 5 −5
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