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Mathematics 0580/22 October/November 2020: question paper and mark scheme

Cambridge IGCSE Mathematics (0580), Paper 2 (Extended), October/November 2020. Read both free below, or download them. Done the paper? Get it marked by AI against this mark scheme.

0580_w20_qp_220580_w20_ms_220580/22/O/N/20

Paper
Paper 2 (Extended)
Total marks
70
Time
1 hour 30 minutes
Code on the paper
0580/22/O/N/20
0580_w20_ms_22.pdf

0580/22 mark scheme, question by question

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 11 mark

Question

Write two hundred thousand and seventeen in figures. …… [1]

Mark scheme

1 200 017 1

Question 21 mark

Question

Insert one pair of brackets to make this calculation correct. 7 - 5 - 3 + 4 = 9 [1]

Mark scheme

2 7 – (5 – 3) + 4 1

Question 32 marks

Question

Solve the equation. 6 - 2x = 3x x = …… [2]

Mark scheme

3 1 6 2 M1 for 6 = 2x + 3x or better 1.2 or 1 or 5 5

Question 43 marks

Question

x° y° NOT TO SCALE 140° 120° The diagram shows a triangle drawn between a pair of parallel lines. Find the value of x and the value of y. x = …… y = …… [3]

Mark scheme

4 [x =] 60 3 B1 for [x =] 60 [y =] 80 B2 for [y =] 80 or B1 for 40 in a correct place on diagram If 0 scored SC1 for their x + their y = 140

Question 52 marks

Question

Increase 42 by 16%. …… [2]

Mark scheme

5 48.72 2 16 M1 for × 42 oe or better 100

Question 61 mark

Question

Factorise completely. 4 - 8x …… [1]

Mark scheme

6 4(1 – 2x) 1

Question 72 marks

Question

C NOT TO SCALE h cm A 6 cm B The area of triangle ABC is 27 cm 2 and AB = 6 cm. Calculate the value of h. h = …… [2]

Mark scheme

7 9 2 1 M1 for × 6 × h = 27 oe 2

Question 82 marks

Question

Calculate the size of one interior angle of a regular polygon with 40 sides. …… [2]

Mark scheme

8 171 2 M1 for 180 – (360 ÷ 40) oe or ( 40 − 2 ) × 180 oe 40

Question 92 marks

Question

Solve the simultaneous equations. 2x + y = 7 3x - y = 8 x = …… y = …… [2] 5 1

Mark scheme

9 [x =] 3 2 B1 for each [y =] 1

Question 103 marks

Question

Without using a calculator, work out '1 . 6 3 You must show all your working and give your answer as a fraction in its simplest form. …… [3]

Mark scheme

10 5 3 5 8 M2 4 5 3 × or ÷ oe M1 for seen or for × their 6 4 6 6 3 6 4 5 their8 or for ÷ 6 6 5 A1 dep on M2 cao 8

Question 112 marks

Question

Simplify. 2x 2 # 5x 5 …… [2]

Mark scheme

11 10x7 final answer 2 B1 for kx7 or 10xk final answer or for correct answer then spoilt

Question 122 marks

Question

Alex and Chris share sweets in the ratio Alex : Chris = 7 : 3. Alex receives 20 more sweets than Chris. Work out the number of sweets Chris receives. …… [2]

Mark scheme

12 15 2 M1 for 4 [parts] = 20 soi or x + 20 x a correct equation e.g. = oe 7 3

Question 133 marks

Question

The length of one side of a rectangle is 12 cm. The length of the diagonal of the rectangle is 13 cm. Calculate the area of the rectangle. …… cm 2 [3]

Mark scheme

13 60 3 M2 for 12 × 132 − 122 or M1 for 132 – 122 or for 12 × their 5 from Pythagoras or trig

Question 142 marks

Question

Work out (3 # 10 199) + (2 # 10 201) . Give your answer in standard form. …… [2]

Mark scheme

14 2.03 × 10201 2 B1 for figs 203 or [0].03 × 10201 or 200 × 10199

Question 152 marks

Question

NOT TO SCALE 60° 7.5 cm Calculate the area of this sector of a circle. …… cm 2 [2]

Mark scheme

15 29.5 or 29.45 to 29.46 2 60 M1 for × π × 7.52 oe 360

Question 162 marks

Question

The selling price of a shirt is $26.50 . This includes a tax of 6%. Calculate the price of the shirt before the tax was added. $ …… [2]

Mark scheme

16 25 2 6 M1 for x × 1 + = 26.50 oe or better 100

Question 174 marks

Question

4 3 Speed 2 (m/s) 1 0 0 10 20 30 40 Time (seconds) The diagram shows the speed–time graph for the first 40 seconds of a cycle ride. (a) Find the acceleration between 20 and 40 seconds. …… m/s 2 [1] (b) Find the total distance travelled. …… m [3]

Mark scheme

17(a) 1 1 0.1 or 10 17(b) 90 3 M2 for 1 1 × 10 × 2 +10 × 2 + ( 2 + 4 ) × 20 oe 2 2 or M1 for one area calculation or indicated on diagram

Question 183 marks

Question

The sides of an isosceles triangle are measured correct to the nearest millimetre. One side has a length of 8.2 cm and another has a length of 9.4 cm. Find the largest possible value of the perimeter of this triangle. …… cm [3]

Mark scheme

18 27.15 cao 3 M2 for (9.4 + 0.05) × 2 + 8.2 + 0.05 or better or M1 for 8.2 + 0.05 or 9.4 + 0.05 or better seen OR SC2 for answer 25.95 or SC1 for answer 26.85

Question 196 marks

Question

100° NOT TO 8 cm SCALE x° 9 cm (a) Calculate the value of x. x = …… [3] (b) Calculate the area of the triangle. …… cm 2 [3]

Mark scheme

19(a) 61.1 or 61.08 to 61.09... 3 8sin100 M2 for [sin x =] oe or better 9 9 8 or M1 for = oe sin100 sin x 19(b) 11.7 or 11.66 to 11.67 3 M2 for 1 × 9 × 8 × sin(180 − 100 − their (a)) oe 2 or M1 for 180 – 100 – their (a)

Question 203 marks

Question

A model of a statue has a height of 4 cm. The volume of the model is 12 cm 3 . The volume of the statue is 40 500 cm 3 . Calculate the height of the statue. …… cm [3]

Mark scheme

20 60 3 40500 M2 for 4 × 3 oe 12 3 4 12 or M1 for = oe l 40500 40500 12 or 3 oe or 3 oe 12 40500

Question 214 marks

Question

(a) Differentiate 6 + 4x - x 2 . …… [2] (b) Find the coordinates of the turning point of the graph of y = 6 + 4x - x 2 . ( …… , …… ) [2]

Mark scheme

21(a) 4 – 2x 2 B1 for 4 or – 2x 21(b) (2, 10) 2 B1 for x-coordinate of 2 or M1 for their 4 – 2x = 0

Question 224 marks

Question

C A NOT TO SCALE a M O B b The diagram shows a triangle OAB and a straight line OAC. OA : OC = 2 : 5 and M is the midpoint of AB. OA = a and OB = b . Find, in terms of a and b, in its simplest form (a) AB, AB = …… [1] (b) MC . MC = …… [3]

Mark scheme

22(a) –a + b 1 22(b) 1 3 1 1 2a – b B2 for answer 2a + pb or qa – bq≠ 2 2 2 or correct unsimplified answer in terms of a and b ρ 3 ρ 5 or M1 for AC = a or OC = a or 2 2 correct route 1 If 0 scored SC1 for answer a + b 2

Question 233 marks

Question

Write as a single fraction in its simplest form. 2x - 1 2- x+1 …… [3] 1

Mark scheme

23 3 3 B1 for 2( x + 1) − (2 x − 1) oe final answer x +1 B1 for common denominator x + 1

Question 245 marks

Question

A line from the point (2, 3) is perpendicular to the line y = x + 1. 3 The two lines meet at the point P. Find the coordinates of P. ( …… , …… ) [5] Questions 25 and 26 are printed on the next page.

Mark scheme

24 (2.4, 1.8) oe 5 1 M1 for [gradient =] –1 ÷ oe 3 M1 for substituting (2, 3) into y = (their m)x + c oe 1 M1 for x + 1 = their ( mx + c ) with 3 1 their m ≠ 3 M1 for substituting their x-coord into either equation to find y or for substituting their y-coord into either equation to find x

Question 252 marks

Question

Solve the equation tan x = 2 for 0° G x G 360° . x = …… or x = …… [2]

Mark scheme

25 63.4 or 63.43... 2 B1 for each 243.4 or 243.4... If 0 scored SC1 for two answers with a difference of 180

Question 264 marks

Question

Simplify. ux - 2u - x + 2 u2 - 1 …… [4]

Mark scheme

26 x−2 4 B2 for ( x − 2)(u − 1) oe final answer u +1 or B1 for u ( x − 2) − ( x − 2) or x(u − 1) − 2(u − 1) B1 for (u − 1)(u + 1)

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How this paper is marked

Examiners follow the generic marking principles at the front of the scheme, then each question's points: method (M), accuracy (A) and independent (B) marks, error carried forward where the scheme allows it, and positive marking, so you're credited for what you got right.

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0580/22 questions

Where can I find the 0580/22 October/November 2020 mark scheme?

On this page, free: the mark scheme for IGCSE Mathematics 0580/22, October/November 2020 (0580_w20_ms_22), and the question paper (0580_w20_qp_22), to read or download, with each question's marking points written out underneath.

How many marks is 0580/22 out of?

Mathematics 0580/22 for October/November 2020 is out of 70 marks, with 1 hour 30 minutes to answer it.

Can I get my 0580/22 answers marked?

Yes. Upload your answers to 0580/22/O/N/20 as a PDF or photos, and CIE Buddy marks every question against this paper's official mark scheme, using Cambridge's marking rules. You get your score, each lost mark explained on your own script, and the topics to revise. It's a guide, not an official Cambridge grade.