Question 11 mark
Question
Write down the value of the 7 in the number 570 296. …… [1]
Mark scheme
1 70 000 1
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Cambridge IGCSE Mathematics (0580), Paper 1 (Core), May/June 2020. Read both free below, or download them. Done the paper? Get it marked by AI against this mark scheme.
0580_s20_qp_110580_s20_ms_110580/11/M/J/20
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
Write down the value of the 7 in the number 570 296. …… [1]
Mark scheme
1 70 000 1
Question
The table shows the temperature, in °C, at midday on the first day of each month during one year in a city. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 9 11 15 19 23.5 27.5 29 28 25 19.5 14.5 10 Calculate the mean of these temperatures. …… °C [2]
Mark scheme
2 19.25 2 M1 for sum of 12 numbers ÷ 12
Question
Write these numbers in order, starting with the smallest. 13 5 5.6% 0.065 201 89 …… < …… < …… < …… [2] smallest
Mark scheme
3 5 13 2 B1 for 3 in correct order 5.6% 0.065 or M1 for 0.0647 0.056 0.0562 seen oe 89 201
Question
(a) On each shape draw all the lines of symmetry. [3] (b) Write down the order of rotational symmetry of this shape. …… [1]
Mark scheme
4(a) Three correct lines B2 B1 for one or more correct lines and no wrong lines One correct line B1 4(b) 2 1
Question
A NOT TO 38° SCALE B C D In the triangle ABC, AB = AC and angle BAC = 38°. BCD is a straight line. Work out angle ACD. Angle ACD = …… [3]
Mark scheme
5 109 3 M1 for (180 – 38) ÷ 2 oe M1 for 180 – their ACB
Question
(a) Diego flies from Madrid to Buenos Aires. His flight leaves at 20 55 and arrives at 03 50 local time. The local time in Buenos Aires is 5 hours behind the local time in Madrid. Work out, in hours and minutes, the time the flight takes. …… h …… min [2] (b) Diego changes 200 euros into Argentine Peso. The exchange rate is 1 euro = 24.8 pesos. Work out how many pesos he receives. …… pesos [1] (c) The distance between Madrid and Buenos Aires is 10 050 km. Diego’s return flight takes 12 hours 30 minutes. Calculate the average speed, in km/h, for the return flight. …… km/h [1]
Mark scheme
6(a) 11[h] 55[min] 2 B1 for 08 50 or 15 55 or 6[h] 55[min] seen 6(b) 4960 1 6(c) 804 1
Question
Rectangle A measures 3 cm by 8 cm. 8 cm NOT TO 3 cm A SCALE Five rectangles congruent to A are joined to make a shape. NOT TO SCALE Work out the perimeter of this shape. …… cm [2]
Mark scheme
7 86 2 M1 for correct method to find the perimeter e.g. (8 + 3) × 2 × 5 – 3 × 8 If 0 scored, SC1 for answer 98
Question
Find the highest odd number that is a factor of 60 and a factor of 90. …… [1]
Mark scheme
8 15 1
Question
y 4 3 2 Q 1 –4 –3 –2 –1 0 1 2 3 4 x –1 P –2 –3 –4 (a) Write PQ as a column vector. f p [1] (b) Write 3PQ as a single vector. f p [1]
Mark scheme
9(a) −5 1 3 9(b) −15 1 FT their (a) 9
Question
Work out the size of one interior angle of a regular 9-sided polygon. …… [2]
Mark scheme
10 140 2 M1 for 360 ÷ 9
Question
A cone has radius 4.5 cm and height 10.4 cm. Calculate, in terms of r, the volume of the cone. 1 [The volume, V, of a cone with radius r and height h is V = rr 2 h .] 3 …… cm 3 [2]
Mark scheme
11 70.2π 2 1 M1 for [π] × 4.52 × 10.4 3
Question
(a) The nth term of a sequence is 60 - 8n . Find the largest number in this sequence. …… [1] (b) Here are the first five terms of a different sequence. 12 19 26 33 40 Find an expression for the nth term of this sequence. …… [2]
Mark scheme
12(a) 52 1 12(b) 7n + 5 oe final answer 2 B1 for 7n + a or bn + 5 b ≠ 0
Question
Factorise completely. 21a 2 + 28ab …… [2]
Mark scheme
13 7a(3a + 4b) final answer 2 B1 for partial factorisation 7(3a2 + 4ab) or a(21a + 28b)
Question
The diagram shows a trapezium. (97 - 3x) ° NOT TO SCALE (69 + 5x) ° Work out the value of x. x = …… [3]
Mark scheme
14 7 3 M2 for 166 + 2x = 180 or better or M1 for 97 – 3x + 69 + 5x = 180 oe
Question
Simplify. 4p 5 q 3 # p 2 q -4 …… [2]
Mark scheme
15 4p7q−1 2 4 pb B1 for 4p7qa or 4pbq−1 or q
Question
(a) Write the number 0.0605 in standard form. …… [1] (b) Calculate (1.63 # 10 12) # (2.47 # 10 -1) . Give your answer in standard form. …… [1]
Mark scheme
16(a) 6.05 × 10−2 1 16(b) 4.0261 × 1011 1
Question
Expand and simplify. (x - 5) (x - 7) …… [2]
Mark scheme
17 x2 – 12x + 35 2 B1 for any three of x2, –5x, –7x, +35
Question
Mrs Salaman gives her class two mathematics tests. The scatter diagram shows information about the marks each student scored. 70 60 50 40 Test 2 30 20 10 0 0 10 20 30 40 50 60 70 Test 1 (a) Write down the highest mark scored on test 1. …… [1] (b) Write down the type of correlation shown in the scatter diagram. …… [1] (c) Draw a line of best fit on the scatter diagram. [1] (d) Hamish scored a mark of 40 on test 1. He was absent for test 2. Use your line of best fit to find an estimate for his mark on test 2. …… [1]
Mark scheme
18(a) 66 1 18(b) Positive 1 18(c) Ruled line of best fit 1 18(d) 46 to 50 1 FT their line of best fit if a positive gradient 2 B1 for each
Question
The length, l cm, of a sheet of paper is 29.7 cm, correct to the nearest millimetre. Complete this statement about the value of l. …… G l < …… [2] e2 - o # . 1 7 6
Mark scheme
19 29.65 29.75 If 0 scored, SC1 for both correct but reversed
Question
Without using a calculator, work out 3 8 25 You must show all your working and give your answer as a fraction in its simplest form. …… [4]
Mark scheme
20 M2 M2 for correct method for common denominator 56 21 − 7 24 24 or B1 for 3 35 6 M1 their × 24 25 7 A1 20
Question
Lucia invests $5000 at a rate of 4.5% per year compound interest. Calculate the value of her investment at the end of 7 years. $ …… [2]
Mark scheme
21 6800 or 6804 or 2 4.5 7 M1 for 50001 + 6803.3 to 6803.31 100
Question
y 6 L 5 4 3 2 1 –3 –2 –1 0 1 2 3 4 5 x –1 –2 –3 –4 –5 –6 (a) Find the equation of line L in the form y = mx + c. y = …… [2] (b) On the grid, draw a line that is perpendicular to line L. [1]
Mark scheme
22(a) 2x − 3 2 B1 for kx – 3 or 2x + k k ≠ −3 22(b) Ruled line perpendicular to L 1
Question
R 65° B NOT TO SCALE 78° 37° Q 78° A C P Explain why triangle ABC is similar to triangle PQR. …… [2]
Mark scheme
23 Angle ACB = 65˚ or M1 Angle RPQ = 37˚ 2 pairs of equal angles oe A1
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Mathematics 0580/11 for May/June 2020 is out of 56 marks, with 1 hour to answer it.
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