C1.12· 73 questions · 241 marks · 289 min · 2004–2024· Structured questions
Every Cambridge IGCSE Mathematics Paper 1 question on rates, laid out as 44 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.
![Question 1: Write as a 3-figure bearing the direction For Examiner's (a) West, Use Answer(a) [1] (b) North-East. Answer(b) [1]](https://img.pastlit.com/crops/44d13a35-d287-4292-aed4-91e4d89260b0/q6.webp)

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5 / 44![Question 9: (a) Alex invests $200 for 2 years at 4.05% per year simple interest. Calculate how much interest Alex receives. Answer(a) $ [2] (b) Bobbie …](https://img.pastlit.com/crops/b716c448-8e82-4734-b6ac-f1c4aaa5ebf2/q17.webp)
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15 / 44![Question 25: Hans invests $750 for 8 years at a rate of 2% per year simple interest. Calculate the interest Hans receives. Answer $ [2]](https://img.pastlit.com/crops/048bece3-cca0-4145-876a-d9c9edd8ad59/q6.webp)
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24 / 44![Question 35: The total mass of 38 spoons is 1824 g. Work out the mass of 53 spoons. Answer ............................................. g [2] _________…](https://img.pastlit.com/crops/edbcf8c1-0ee3-4027-bbbb-352bfb3554ce/q4.webp)

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![Question 45: Liz takes 65 seconds to run 400 m. Calculate her average speed. ............................................ m/s [1]](https://img.pastlit.com/crops/ddfe8510-b93d-4d50-b8a0-3e123e9c8c13/q3.webp)
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![Question 67: The bearing of A from B is 137°. Find the bearing of B from A. ................................................. [2]](https://img.pastlit.com/crops/a7fecb8e-98f1-4398-9fa2-c2dbbb970389/q19.webp)
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44 / 44Answers below. Sit the paper first if you are practising.
Pastlit
Mathematics 0580 · Rates — Paper 1
IGCSE · topical answer key — answer key (teacher use)
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1| Question | Answer | Marks | From |
|---|---|---|---|
| 1 | see sheet | 2 | 0580/11 Oct/Nov 2004 |
| 2 | see sheet | 4 | 0580/11 Oct/Nov 2004 |
| 3 | see sheet | 2 | 0580/11 May/June 2005 |
| 4 | see sheet | 5 | 0580/11 May/June 2005 |
| 5 | see sheet | 4 | 0580/11 Oct/Nov 2005 |
| 6 | see sheet | 5 | 0580/11 Oct/Nov 2005 |
| 7 | see sheet | 5 | 0580/11 May/June 2006 |
| 8 | see sheet | 2 | 0580/11 Oct/Nov 2006 |
| 9 | see sheet | 4 | 0580/11 Oct/Nov 2007 |
| 10 | see sheet | 2 | 0580/11 May/June 2009 |
| 11 | see sheet | 2 | 0580/11 Oct/Nov 2009 |
| 12 | see sheet | 3 | 0580/11 Oct/Nov 2009 |
| 13 | see sheet | 4 | 0580/11 Oct/Nov 2009 |
| 14 | see sheet | 3 | 0580/12 Oct/Nov 2009 |
| 15 | see sheet | 4 | 0580/12 Oct/Nov 2009 |
| 16 | see sheet | 4 | 0580/11 May/June 2010 |
| 17 | see sheet | 4 | 0580/13 May/June 2010 |
| 18 | see sheet | 2 | 0580/11 Oct/Nov 2010 |
| 19 | see sheet | 5 | 0580/13 Oct/Nov 2010 |
| 20 | see sheet | 4 | 0580/11 May/June 2011 |
| 21 | see sheet | 6 | 0580/12 May/June 2011 |
| 22 | see sheet | 6 | 0580/13 May/June 2011 |
| 23 | see sheet | 6 | 0580/11 Oct/Nov 2011 |
| 24 | see sheet | 3 | 0580/12 Oct/Nov 2011 |
| 25 | see sheet | 2 | 0580/13 May/June 2012 |
| 26 | see sheet | 2 | 0580/11 Oct/Nov 2012 |
| 27 | see sheet | 6 | 0580/11 Oct/Nov 2012 |
| 28 | see sheet | 3 | 0580/12 Oct/Nov 2012 |
| 29 | see sheet | 7 | 0580/13 Oct/Nov 2013 |
| 30 | see sheet | 2 | 0580/11 May/June 2014 |
| 31 | see sheet | 4 | 0580/12 May/June 2014 |
| 32 | see sheet | 5 | 0580/13 May/June 2014 |
| 33 | see sheet | 2 | 0580/13 Oct/Nov 2014 |
| 34 | see sheet | 4 | 0580/12 Feb/March 2015 |
| 35 | see sheet | 2 | 0580/11 May/June 2015 |
| 36 | see sheet | 3 | 0580/11 May/June 2015 |
| 37 | see sheet | 4 | 0580/11 Oct/Nov 2015 |
| 38 | see sheet | 2 | 0580/12 Oct/Nov 2015 |
| 39 | see sheet | 1 | 0580/12 Feb/March 2016 |
| 40 | see sheet | 5 | 0580/12 May/June 2016 |
| 41 | see sheet | 4 | 0580/13 May/June 2016 |
| 42 | see sheet | 6 | 0580/13 May/June 2016 |
| 43 | see sheet | 2 | 0580/13 Oct/Nov 2016 |
| 44 | see sheet | 2 | 0580/12 Oct/Nov 2017 |
| 45 | see sheet | 1 | 0580/13 May/June 2018 |
| 46 | see sheet | 3 | 0580/11 Oct/Nov 2018 |
| 47 | see sheet | 3 | 0580/11 Oct/Nov 2018 |
| 48 | see sheet | 3 | 0580/13 Oct/Nov 2018 |
| 49 | see sheet | 3 | 0580/11 May/June 2019 |
| 50 | see sheet | 3 | 0580/12 May/June 2019 |
| 51 | see sheet | 3 | 0580/11 Oct/Nov 2019 |
| 52 | see sheet | 2 | 0580/12 Oct/Nov 2019 |
| 53 | see sheet | 5 | 0580/12 Feb/March 2020 |
| 54 | see sheet | 4 | 0580/11 May/June 2020 |
| 55 | see sheet | 5 | 0580/11 Oct/Nov 2020 |
| 56 | see sheet | 3 | 0580/11 Oct/Nov 2020 |
| 57 | see sheet | 3 | 0580/13 Oct/Nov 2020 |
| 58 | see sheet | 3 | 0580/13 Oct/Nov 2020 |
| 59 | see sheet | 3 | 0580/11 May/June 2021 |
| 60 | see sheet | 1 | 0580/11 May/June 2021 |
| 61 | see sheet | 4 | 0580/11 May/June 2021 |
| 62 | see sheet | 3 | 0580/12 Oct/Nov 2021 |
| 63 | see sheet | 3 | 0580/12 Feb/March 2022 |
| 64 | see sheet | 3 | 0580/11 May/June 2022 |
| 65 | see sheet | 4 | 0580/11 May/June 2022 |
| 66 | see sheet | 2 | 0580/12 May/June 2022 |
| 67 | see sheet | 2 | 0580/11 Oct/Nov 2022 |
| 68 | see sheet | 3 | 0580/12 Oct/Nov 2022 |
| 69 | see sheet | 2 | 0580/13 Oct/Nov 2022 |
| 70 | see sheet | 2 | 0580/11 May/June 2023 |
| 71 | see sheet | 3 | 0580/12 Oct/Nov 2023 |
| 72 | see sheet | 2 | 0580/11 May/June 2024 |
| 73 | see sheet | 1 | 0580/13 Oct/Nov 2024 |
6 Write as a 3-figure bearing the direction For Examiner's (a) West, Use Answer(a) [1] (b) North-East. Answer(b) [1]
2 marks
Mark scheme: 6 (a) 270 1 (b) (0)45 1
19 In New Zealand, a bus leaves New Plymouth at 8.10 am and arrives in Wellington at 2.55 pm. For Examiner's (a) How long, in hours and minutes, does the journey take? Use Answer(a) h min [1] (b) The distance from New Plymouth to Wellington is 355 kilometres. Calculate, in kilometres per hour, the average speed for the journey. Answer(b) km/h [3]
4 marks
Mark scheme: 19 (a) 6 (hours) 45 (minutes) 1 16 (b) rounds to 52.6 or 52 3f.t. 3 27 B1 for 6.75 or 6 oe used or 4 his time correctly converted to hours. M1 for 355 ÷ his time. (any form) (55.0…or 0.87….ww implies M1) A1 f.t. provided his (a) correctly converted to hours.
11 Yasmeen is setting up a business. For She borrows $5000 from a loan company. Examiner's The loan company charges 6% per year simple interest. Use How much interest will Yasmeen pay after 3 years? Answer $ [2]
2 marks
Mark scheme: 11 900 2 M1 for (5000 x 3 x 6) ÷ 100 oe or B1 for 300 seen SC1 for 5900
22 For Examiner's DISTANCE 15 Use FROM HOME (km) 14 13 School 12 11 10 9 8 7 6 Friend's House 5 4 3 2 1 Home 0 7 30 8 00 8 30 9 00 TIME (am) Ricardo rode to his friend’s house. He waited for his friend to get ready. Then they cycled together to school. Ricardo’s journey is shown on the grid. (a) Work out the speed at which Ricardo cycled to his friend’s house. Answer (a) km/h [2] (b) How long did he wait for his friend? Answer (b) min [1] (c) Ricardo’s brother left home at 8 00 am. For He cycled directly to school at a constant speed of 15 kilometres per hour. Examiner's Draw his journey on the grid opposite. Use [1] (d) How many minutes earlier than Ricardo did his brother arrive at school? Answer (d) min [1]
5 marks
Mark scheme: 22 (a) 10 2 M1 for use of distance ÷ time with figures. 5/0.5, 5/30, 5/6, 5/0.30 only. Not 5/8.00, 5/0.3 (b) 20 1 (c) on the graph 1 ruled single line from 8.00 am home continued to school, 12 km line. Ignore beyond 12 km line must cross within square (d) 12 1ft ft their intended single ‘straight’ line (need not be (allow 10 < time < 15) ruled) and within a square, not on the boundary (allow 12 from unless actually on a boundary calculation)
19 Joseph buys 45 kilograms of potatoes from a supplier for $0.65 per kilogram. (a) How much does he pay for the potatoes? Answer(a) $ [1] (b) He then puts the potatoes into bags which each hold 2.5 kilograms. How many bags can he fill with the potatoes? Answer(b) bags [1] (c) At the market he sells the bags of potatoes for $2.20 per bag. Calculate the smallest number of complete bags he needs to sell in order to make a profit. Answer(c) bags [2]
4 marks
Mark scheme: 19 (a) 29.25 or 29.2 or 29.3 1 (b) 18 1 (c) Their (a) ÷ 2.20 M1 Implied by 13.3 or 13.2 (...) seen 14 A [16]
21 The graph below shows the amount a plumber charges for up to 6 hours work. For Examiner's Use 120 100 80 Charge ($) 60 40 20 0 1 2 3 4 5 6 Time (hours) (a) How much does he charge for 3 1 hours work? 2 Answer(a) $ [1] (b) The plumber charged $50. How many hours did he work? Answer(b) hours [1] (c) Another plumber charges $16 per hour. (i) Draw a line on the grid above to show his charges. Start your line at (0,0). [2] (ii) Write down the number of hours for which the two plumbers charge the same amount. Answer(c)(ii) hours [1]
5 marks
Mark scheme: 21 (a) 62 1 (b) 1 1 2 2 (c) (i) Ruled line through (0, 0) and (1, 16) B1 Through and further than (5, 80) B1 Dependent (ii) 5 1f.t. Intersection of their line with the given line. [10]
20 There are 565 sheets of paper in a book. (a) How many sheets of paper are there in 2000 of these books? Give your answer in standard form. Answer(a) [2] (b) A pile of 565 sheets of paper is 25 millimetres high. Calculate the thickness of 1 sheet of paper. Give your answer in standard form. Answer(b) mm [3]
5 marks
Mark scheme: 20 (a) 1.13 x 106 2 M1 for 2000 x 565 seen or B1 for figs 113 (b) 4.42(….) x 10–2 3 M1 for 25 ÷ 565 soi and B1 for figs 442(….) 10 Total 56
15 A truck uses 2.5 litres of fuel to travel 8 kilometres. (a) How far will the truck travel on 1 litre of fuel? Answer(a) km [1] (b) How far will the truck travel on 120 litres of fuel? Answer(b) km [1]
2 marks
Mark scheme: 15 (a) 3.2 1 (b) 384 1 ft their (a) × 120.
17 (a) Alex invests $200 for 2 years at 4.05% per year simple interest. Calculate how much interest Alex receives. Answer(a) $ [2] (b) Bobbie invests $200 for 2 years at 4% per year compound interest. Calculate how much interest Bobbie receives. Give your answer to 2 decimal places. Answer(b) $ [2]
4 marks
Mark scheme: 17 (a) ($) 16.2(0) 2 M1 for (200 × 4.05 × 2)/100 SC1 for 216.2(0) (b) ($) 16.3(2) or 16.3(0) 2 M1 for 200(1.04) 2 − 200oe SC1 for 216.3(2). SC1 for both 8.(00) and 8.3(2) seen
3 How many glasses, each holding 200 cm3, can be filled completely from a full 4.5 litre bottle of water? Answer [2]
2 marks
Mark scheme: 3 22 2 M1 for 4500 ÷ 200 or 4.5 ÷ 0.2
4 North NOT TO SCALE North B 72° A The diagram shows the position of two airports, A and B. The bearing of B from A is 072°. Work out the bearing of A from B. Answer [2]
2 marks
Mark scheme: 4 252 2 W1 for 108 or 72 correctly shown on the diagram at B. Or M1 for 180 + 72 or 360 − (180 − 72) soi
9 A train sets off at 11 53 on a journey to Mumbai. The journey takes 2 hours 30 minutes. (a) Write down the time when the train arrives in Mumbai. Answer(a) [1] (b) The distance to Mumbai is 235 kilometres. Calculate the average speed of the train. Answer(b) km/h [2]
3 marks
Mark scheme: 9 (a) 14 23 isw or 2.23 pm isw. 1 Not 02 23 or 2 23 alone. Not 14h(ours)23 (b) 94 2cao M1 for 235 ÷ 2.5 (or 2h 30min or 150) Method mark is for formula with values.
16 As the earth rotates, a point on the equator moves round at a speed of 1669.8 kilometres/hour. For Examiner's (a) Write down this number in standard form, correct to 3 significant figures. Use Answer(a) [2] (b) Change 1669.8 kilometres/hour into metres/second. Answer(b) m/s [2]
4 marks
Mark scheme: 16 (a) 1.67 × 103 2 W1 for 1.67 × 10n (n ≠ 0) or 1.(…..) × 103 as answer If zero SC1 for figs 167 in answer. (b) 464 or 463.8(3…..) 2 M1 for 1669.8 × 1000 ÷ 3600
9 A train sets off at 10 48 on a journey to Mumbai. The journey takes 4 hours 30 minutes. (a) Write down the time when the train arrives in Mumbai. Answer(a) [1] (b) The distance to Mumbai is 441 kilometres. Calculate the average speed of the train. Answer(b) km/h [2]
3 marks
Mark scheme: 9 (a) 15 18 isw or 3.18 pm isw. 1 Not 03 18 or 3 18 alone. Not 15h(ours)18 (b) 98 2cao M1 for 441 ÷ 4.5 (or 4h 30min or 270) Method mark is for formula with values.
16 As the earth rotates, a point on the equator moves round at a speed of 1669.8 kilometres/hour. ForFor Examiner'sExaminer's (a) Write down this number in standard form, correct to 3 significant figures. UseUse Answer(a) [2] (b) Change 1669.8 kilometres/hour into metres/second. Answer(b) m/s [2]
4 marks
Mark scheme: 16 (a) 1.67 × 103 2 W1 for 1.67 × 10n (n ≠ 0) or 1.(…..) × 103 as answer If zero SC1 for figs 167 in answer. (b) 464 or 463.8(3…..) 2 M1 for 1669.8 × 1000 ÷ 3600
17 City 3 2 Distance (kilometres) 1 Port 0 0 15 30 45 60 Time (minutes) (a) The travel graph shows the journey of a bus from a port to a city. Calculate the average speed of the bus (i) in kilometres per minute, Answer(a)(i) km/min [1] (ii) in kilometres per hour. Answer(a)(ii) km/h [1] (b) The bus waits in the city for 20 minutes and then returns to the port at an average speed of 12 km/h. Complete the travel graph. [2] Questions 18 and 19 are printed on the next page.
4 marks
Mark scheme: 17 (a) (i) 0.3 oe 1 (ii) 18 1 Follow through their (a)(i) × 60 (b) horizontal line to (30,3) 1 line from (30,3) to (45,0) 1ft OR from their (x,3) to (their x + 15, 0)
20 Examiner's Use 100 Garage 90 80 70 Distance (kilometres) 60 50 Café 40 30 20 10 Factory 0 0 1 2 3 4 5 6 7 8 9 Time (hours) The travel graph shows part of the journey of a truck driver. The driver leaves a factory to deliver tyres to a garage. After unloading the tyres, the driver returns to the factory, but stops at a café for 1 hour. He then completes the journey at an average speed of 80 km/h. (a) Calculate the average speed of the truck on its journey from the factory to the garage. Answer(a) km/h [1] (b) Write down the length of time the truck stays at the garage. Answer(b) hours [1] (c) Complete the travel graph. [2]
4 marks
Mark scheme: 20 (a) 45 1 (b) 1.5 o.e. 1 Allow 1 h(our) 30(min) or 1:30 (c) horizontal line from 1 (5.5, 40) to (6.5, 40) diagonal line from their 1ft Independent (x, 40) to (x + ½ , 0) √ 2 2 √
5 Sophie invests $450 at a rate of 1.5% per year simple interest. For Examiner's Calculate the interest she earns after 8 years. Use Answer $ [2]
2 marks
Mark scheme: 450 × 8 × 5.1 5 54(.00) final answer 2 M1 for oe 100 or SC1 for 504(.00)
22 School NOT TO SCALE Distance Shop (kilometres) Home 08 00 08 05 08 10 08 15 08 20 08 25 08 30 Time Rob walks to school each morning. One day, he leaves home at 08 00. He stops at a shop at 08 10 and stays there for 5 minutes. He then continues to school and arrives at 08 30. (a) Draw the travel graph for Rob’s journey from home to school. [3] (b) Rob’s average speed for the whole journey from home to school is 3.3 km/h. Calculate the distance from Rob’s home to school. Answer(b) km [2]
5 marks
Mark scheme: 22 (a) Lines connecting 3 (08 00, home) to (08 10, shop) B1 home to shop (their 08 10, shop) to B1ft horizontal and 5 minute period (their 08 15, shop) (their 08 15, shop) to B1ft for line to 08 30 and school (08 30, school) (b) 1.65 2 M1 for use of speed × time SC1 for 1.375 or 1.376 to 1.38
14 A train leaves Barcelona at 21 28 and takes 10 hours and 33 minutes to reach Paris. (a) Calculate the time the next day when the train arrives in Paris. Answer(a) [1] (b) The distance from Barcelona to Paris is 827 km. Calculate the average speed of the train in kilometres per hour. Answer(b) km/h [3]
4 marks
Mark scheme: 14 (a) (0)8(.)01(am) 1 Not 8.01 pm (b) 78.4 or 78.38 to 78.39 3 M2 for 827 ÷ 10.55 or M1 for figs 827 ÷ their time
19 (a) The travel graph on the opposite page shows Joel’s journey to his school. For He walks to the bus stop and waits for the bus, which takes him to the school. Examiner's Use (i) How long did Joel wait for the bus? Answer(a)(i) min [1] (ii) Find the distance from the bus stop to the school. Answer(a)(ii) km [1] (b) Joel’s sister, Samantha, leaves home 14 minutes later than Joel to cycle to the same school. She cycles at a constant speed and arrives at the school at 08 16. (i) On the grid, show her journey. [1] (ii) At what time did the bus pass Samantha? Answer(b)(ii) [1] (iii) How far from the school was she when the bus passed her? Answer(b)(iii) km [1] (iv) How many minutes after Joel did Samantha arrive at the school? Answer(b)(iv) min [1] 10 For Examiner's Use School 9 8 7 6 Distance 5 (km) 4 3 2 1 Home 0 07 00 07 10 07 20 07 30 07 40 07 50 08 00 08 10 08 20 Time
6 marks
Mark scheme: 19 (a) (i) 8 (min) 1 (ii) 7.8 (km) 1 (b) (i) Ruled line from 1 Ignore line continued above school. (07 20, 0) to (08 16, 9.4) (ii) (0)7 38 to (0)7 40 1ft Follow through their graph (iii) 5.8 (km) to 6.4 (km) 1ft Follow through their graph. (iv) 17 to 19 (min) 1ft Follow through their graph
20 For School 900 Examiner's Use 800 700 600 500 Distance (metres) 400 300 Friend’s house 200 100 Home 0 08 00 08 05 08 10 08 15 08 20 08 25 08 30 Time The graph shows part of Ali’s journey from home to his school. The school is 900 m from his home. He walks 200 m to his friend’s house and waits there. He then takes 20 minutes to walk with his friend to their school. (a) Complete the travel graph showing Ali’s journey. [1] (b) How long does he wait at his friend’s house? Answer(b) min [1] (c) Calculate the average speed for Ali’s complete journey from home to his school. Give your answer in kilometres per hour. Answer(c) km/h [4]
6 marks
Mark scheme: 20 (a) Straight ruled line from 1 (08 10, 200) to (08 30, 900) (b) 5 1 (c) 1.8 4 M1 for total distance ÷ total time M1 for converting time to hours M1 for converting metres to km
18 (a) Lucinda invests $500 at a rate of 5% per year simple interest. For Examiner's Calculate the interest Lucinda has after 3 years. Use Answer(a) $ [2] (b) Andy invests $500 at a rate of 5% per year compound interest. Calculate how much more interest Andy has than Lucinda after 3 years. Answer(b) $ [4]
6 marks
Mark scheme: 500 × 5 × 3 18 (a) 75 2 M1 for oe 100 or SC1 for answer of 575 (b) 3.81(25) 4 M2 for 500 × 1.05 × 1.05 × 1.05 or M1 for 500 × 1.05 × 1.05 A1 for 578.81(25) or 78.81(25) seen and A1ft for value of 500(1.05)3 – 500 – their (a)
15 A cruise ship travels at 22 knots. [1 knot is 1.852 kilometres per hour.] Convert this speed into metres per second. Answer m/s [3]
3 marks
Mark scheme: 15 11.3 3 M2 22 × 1.852 × 1000/3600 oe or M1 22 × figs 1852 or 22 × 1000/3600
6 Hans invests $750 for 8 years at a rate of 2% per year simple interest. Calculate the interest Hans receives. Answer $ [2]
2 marks
Mark scheme: 750 × 2 × 8 6 120 2 M1 for 100 oe seen or SC1 870 as final answer
6 On a mountain, the temperature decreases by 6.5 °C for every 1000 metres increase in height. At 2000 metres the temperature is 10 °C. Find the temperature at 6000 metres. Answer °C [2]
2 marks
Mark scheme: 6 –16 2 M1 for 4 × 6.5
20 For Distance from Examiner's Lola’s house (km) Use 14 Sarah’s house 12 10 8 6 4 2 Lola’s house 0 14 00 14 30 15 00 15 30 16 00 16 30 17 00 17 30 Time The travel graph shows Lola’s journey from her house to Sarah’s house. (a) Lola stopped at a shop on the way to Sarah’s house. For how many minutes did she stop? Answer(a) min [1] (b) Write down the time she arrived at Sarah’s house. Answer(b) [1] (c) Calculate Lola’s average speed from leaving the shop to arriving at Sarah’s house. Give your answer in kilometres per hour. Answer(c) km/h [2] (d) Lola stayed at Sarah’s house for 1 hour 20 minutes. She then cycled home without stopping. Her journey took 50 minutes. Complete the travel graph. [2]
6 marks
Mark scheme: 20 (a) 10 1 (b) 15 10 1 2 (c) 9 [km/h] 2 M1 for 6 ÷ or 6 ÷ 40 or better 3 (d) horizontal line from (15 10, 12) 1 ‘their 16 30’ + 50 minutes to (16 30, 12) line from (16 30, 12) to (17 20, 0) 1 ft
11 An athlete runs 1500 metres in 4 minutes. For Examiner's Use Calculate her average speed in (a) metres per minute, Answer(a) m/min [1] (b) kilometres per hour. Answer(b) km/h [2]
3 marks
Mark scheme: 11 (a) 375 1 (b) 22.5 2 ft M1 for their (a) ÷ 1000 × 60 or 1500 × 15 ÷ 1000 If zero SC1 for answer figs 225
22 The travel graph shows Natasha’s visit to her friend’s house. For Examiner′s She starts by walking and then runs. Use She stays at her friend’s house until 11 10 before returning home. 2000 1800 Friend’s 1600 house 1400 Distance 1200 from home (metres) 1000 800 600 400 200 Home 0 10 30 10 40 10 50 11 00 11 10 11 20 11 30 11 40 Time (a) (i) How far does Natasha walk on the journey to her friend’s house? Answer(a)(i) … m [1] (ii) Find Natasha’s average speed, in metres per minute, on the journey to her friend’s house. Answer(a)(ii) … m/min [2] (iii) How long does Natasha stay at her friend’s house? Answer(a)(iii) … min [1] (b) Natasha returns home at a constant speed of 64 metres per minute. For Examiner′s Use (i) Complete the travel graph. [2] (ii) Write down the time she arrives home. Answer(b)(ii) … [1] _____________________________________________________________________________________
7 marks
Mark scheme: 22 (a) (i) 1000 [m] 1 (ii) 80 [m/min] 2 M1 for 1600 ÷ 20 (iii) 20 [min] 1 (b) (i) Ruled line from (11 10, 1600) to (11 35, 0) 2 M1 for 1600 ÷ 64 soi (ii) 11 35 1FT their line at the axis if on the grid and not before 11 10.
13 The graph can be used to convert between miles and kilometres. 80 70 60 50 Kilometres 40 30 20 10 0 10 20 30 40 50 Miles A train travels 24 miles in 20 minutes. Find its average speed in kilometres per hour. Answer … km/h [2] __________________________________________________________________________________________
2 marks
Mark scheme: 13 114 to 117 2 B1 for 38 to 39 seen or 72 [mph]
17 A plane is travelling at 180 metres per second. How many minutes will it take the plane to travel 800 km? Give your answer correct to the nearest minute. Answer … min [4] __________________________________________________________________________________________
4 marks
Mark scheme: 17 74 4 M1 for 800 × 1000 or 180 ÷ 1000 soi and M1 for figs 8 ÷ figs 18 and M1 for converting (secs) to mins 74.1 or 74.07… implies M3
25 William Toby Town 4 3 Distance 2 (km) 1 Home 0 10 00 10 04 10 08 10 12 10 16 10 20 10 24 10 28 10 32 Time Toby and William cycled into town. Their journeys are shown on the travel graph. (a) For how many minutes did Toby stop on his journey into town? Answer(a) … min [1] (b) Explain what happened at 10 20. Answer(b) … [1] (c) Work out how long William took to cycle into town. Answer(c) … min [1] (d) Calculate William’s speed in km/h. Answer(d) … km/h [2] __________________________________________________________________________________________
5 marks
Mark scheme: 25 (a) 6 1 (b) They are at the same place at the same time 1 (c) 16 1 (d) 15 cao 2 M1 FT for 4 × 60 oe their ( c ) IGCSE – May/June 2014 0580 13
14 A train takes 65 minutes to travel 52 km. Calculate the average speed of the train in kilometres per hour. Answer … km/h [2] __________________________________________________________________________________________
2 marks
Mark scheme: 14 48 2 M1 for 52 ÷ 65 [× 60] oe implied by 0.8
20 Ravi cycles from home to the bank. It takes him 15 minutes, cycling at a constant speed of 14 km/h. (a) Work out how far Ravi cycles from home to the bank. Answer(a) … km [1] (b) Ravi stays at the bank for 18 minutes. He then cycles home at a constant speed for 12 minutes. Draw the travel graph to show Ravi’s journey since he left home. 4.5 4 3.5 3 Distance 2.5 (km) 2 1.5 1 0.5 Ravi’s home 0 5 10 15 20 25 30 35 40 45 50 Time (minutes) [3] __________________________________________________________________________________________ Question 21 is printed on the next page.
4 marks
Mark scheme: 20 (a) 3.5 1 (b) straight line from (0,0) to (15,their 3.5) 1FT FT from (a) horiz line from (their 15, their 3.5) to 1FT FT is horizontal line length 18 mins (their 33, their 3.5) 1FT FT is from (their x, their y) to straight line from (their 33, their 3.5) to (their x + 12, 0) (their 33 + 12, 0)
4 The total mass of 38 spoons is 1824 g. Work out the mass of 53 spoons. Answer … g [2] __________________________________________________________________________________________
2 marks
Mark scheme: 4 2544 2 M1 for 1824 ÷ 38 [×53] oe 3000 × 5 × 4
14 Six donkeys are each given two 5 ml spoons of medicine three times each day. Calculate the number of whole days a 2 litre bottle of medicine will last. Answer … days [3] __________________________________________________________________________________________
3 marks
Mark scheme: 14 11 3 B1 for 2000[ml] or 0.005[litres] soi M1 for figs 2 ÷ (6 × 2 × 5 × 3) or better or figs 111…. seen
21 (a) Sara works for 28 hours each week. She earns $12.45 per hour. Calculate how much she earns in one week. Answer(a) $ … [1] (b) Sara invests $750 for 3 years at a rate of 2.4% per year compound interest. Calculate the total amount she will have at the end of the 3 years. Answer(b) $ … [3] __________________________________________________________________________________________
4 marks
Mark scheme: 21 (a) 348.6[0] cao final answer 1 (b) 805.31 3 M2 for 750 × 1.0243 oe or M1 for 750 × 1.024 × 1.024 oe If zero scored, SC2 for answer of 55.31 or 55. 30[...], i.e. total interest
6 $2600 is invested for 5 years at a rate of 4% per year simple interest. Calculate the total interest at the end of the 5 years. Answer $ … [2]
2 marks
Mark scheme: 4 6 520 final answer 2 M1 for 2600 × 5 × oe 100
2 Apples cost $1.12 for each kilogram. Calculate the cost of 4.5 kilograms of apples. $ … [1]
1 marks
Mark scheme: 2 5.04 1
23 10 Sports 8 centre 6 Distance (km) 4 2 Home 0 15 30 15 45 16 00 16 15 16 30 16 45 17 00 17 15 17 30 17 45 Time Sonali cycles from home to the sports centre. The travel graph shows her journey. (a) At what time does she arrive at the sports centre? … [1] (b) Work out Sonali’s cycling speed in kilometres per hour. … km/h [2] (c) Sonali stays at the sports centre for 45 minutes. She then takes 30 minutes to cycle home. Complete the travel graph. [2]
5 marks
Mark scheme: 23 (a) 16 10 or 4 10 pm 1 (b) 12 2 M1 for 8 ÷ 40 or better (c) Line from (16 10, 8) to (16 55, 8) 1 Line from (16 55, 8) to (17 25, 0) 1FT FT line from their (16 55, 8) to ((their 16 55 + 30 mins), 0)
19 A D 93.5 m NOT TO SCALE B C 82.5 m The diagram shows a rectangular field, ABCD, with a straight path, BD. (a) Calculate the distance from C to D. … m [3] (b) Yan walks along the edge of the field from B to C and then from C to D. Lee walks along the straight path BD. Work out how much further Yan walks than Lee. … m [1]
4 marks
Mark scheme: 19 (a) 44 3 M2 for 93.52 − 82.5 2 or M1 for CD2 + 82.52 = 93.52 (b) 33 1FT FT 93.5 – (82.5 + their (a))
20 (a) Alice leaves home at 08 15 and walks at 80 metres per minute, arriving at her friend’s house half an hour later. (i) Work out the distance she walks, in metres, from her home to her friend’s house. … m [1] (ii) On the grid, show her journey from her home to her friend’s house. [1] 3000 2400 1800 Distance (m) 1200 600 Home 0 08 00 08 30 09 00 09 30 10 00 10 30 11 00 Time 1 (b) Alice stays at her friend’s house for 1 2 hours. She then jogs home, arriving 15 minutes later. (i) On the grid, complete the travel graph for her journey. [2] (ii) Calculate her average speed, in metres per minute, on her journey home. … m/min [2]
6 marks
Mark scheme: 20 (a) (i) 2400 1 (ii) Ruled line (08 15, 0) to 1FT Follow through their 2400 and 30 minute (08 45, their 2400) time period
9 30 28 26 24 22 DD 20 C 18 Distance (km) 16 B 14 12 10 8 A 6 4 2 0 0 10 20 30 40 50 60 70 80 90 Time (minutes) The diagram shows the distance-time graph for the first 65 minutes of a bicycle journey. (a) There are four different parts to the journey labelled A, B, C and D. Write down the part of the journey with the fastest speed. … [1] (b) After the first 65 minutes the bicycle travels at a constant speed of 20 km/h for 15 minutes. Draw this part of the journey on the diagram. [1]
2 marks
Mark scheme: 9 (a) A 1 (b) A ruled line joining (65, 23) to 1 (80, 28) 18 5 18 k 5 k
6 A taxi journey costs $4.50, plus 80 cents for each kilometre travelled. Julianna travels 7 km. Work out the cost of her journey. $ … [2]
2 marks
Mark scheme: 6 10.1[0] 2 M1 for [4.5 +] (7 × [0].8) or 450 + 7 × 80
3 Liz takes 65 seconds to run 400 m. Calculate her average speed. … m/s [1]
1 marks
Mark scheme: 3 2 1 6.15 or 6.153 to 6.154 or 6 13
14 Shohan cycles from home to the library. He stops at the post office on the way. The travel graph shows his journey. 10 Library 8 Distance 6 from home (km) 4 2 Home 0 10 00 10 15 10 30 10 45 11 00 11 15 11 30 11 45 12 00 Time (a) Write down the time Shohan arrives at the post office. … [1] (b) Shohan stays at the library for 25 minutes. He then cycles home at a constant speed of 18 km/h. Complete the travel graph. [2]
3 marks
Mark scheme: 14(a) 10 25 1 14(b) Graph completed correctly 2 B1 for line from (10 55, 9) to (11 20, 9) B1 FT for line from (their 11 20, 9) to (their 11 20 + 30 min, 0)
18 Jan invests $800 at a rate of 3% per year simple interest. Calculate the value of her investment at the end of 4 years. $ … [3]
3 marks
Mark scheme: 18 896 3 800 × 4 × 3 M2 for 800 + oe 100 800 × 4 × 3 or M1 for oe 100
24 A car travels at 108 km/h for 20 seconds. Calculate the distance the car travels. Give your answer in metres. … m [3]
3 marks
Mark scheme: 24 600 3 108 × 1000 × 20 M2 for oe 60 × 60 108 × 1000 or M1 for oe 60 × 60 or for figs108 × time oe
18 A car travels at a constant speed of 20 m/s. Work out the time it takes for the car to travel 10 km. Give your answer in minutes and seconds. … minutes … seconds [3]
3 marks
Mark scheme: 18 8 [min] 20 [sec] 3 10 M1 for [× 1000] soi 0.5 or 500 20 A1 for 500 [sec] or 8.33…[min] B1 for correctly converting their answer in seconds providing their answer is > 60 or decimal minutes to minutes and seconds
18 A machine always takes 5 minutes to paint an 80 metre white line on a road. (a) Work out the number of metres painted in 45 minutes. … m [1] (b) Work out the number of minutes taken to paint a 2.8 km line. … min [2]
3 marks
Mark scheme: 18(a) 720 1 18(b) 175 cao 2 2.8 × 1000[× 5] or 2.8 × 1000 × 45 M1 for 80 their (a) or B1 for figs 175
20 Juan travels from his home to a shop. The travel graph shows his journey. 18 Shop 12 Distance (km) 6 Home 0 13 00 14 00 15 00 16 00 Time (a) Find the distance Juan travels to the shop. … km [1] (b) Write down what happens at 14 00. … [1] (c) Juan travels home at a constant speed of 15 km/h. He leaves the shop at 15 15. Complete the travel graph. [1]
3 marks
Mark scheme: 20(a) 15 1 20(b) He stopped or 1 arrived at the shop 20(c) Ruled line from 1 (15 15, 15) to (16 15, 0)
11 Kiran leaves home at 9.45 am. She drives 135 km to visit a friend. She arrives at her friend’s house at 11.15 am. Work out her average speed in km/h. … km/h [2]
2 marks
Mark scheme: 11 90 2 M1 for 135 ÷ their time
19 A car travels at a constant speed of 45 kilometres per hour for 5 minutes. Each wheel of the car has radius 25 centimetres. Calculate the number of complete revolutions that a wheel makes during the 5 minutes. … [5]
5 marks
Mark scheme: 19 2387 cao 5 7500 M4 for oe π 60 figs 45 ÷ 5 or M3 for 2 × π × figs 25 60 or M2 for 2 × π × figs 25 and figs 45 ÷ 5 or M1 for 2 × π × figs 25 60 or for figs 45 ÷ 5
6 (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]
4 marks
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
7 Hua cycles from her home to the library. The travel graph shows this journey. Library 12 11 10 9 8 Distance from home 7 (km) 6 5 4 3 2 1 Home 0 10 00 10 30 11 00 11 30 12 00 Time (a) At what time does she start her journey? … [1] (b) (i) Find her distance from home when she stops for a rest. … km [1] (ii) How long does she stop for a rest? … min [1] (c) Hua stays at the library for 10 minutes. She then cycles home at a constant speed of 24 km/h. Complete the travel graph. [2]
5 marks
Mark scheme: 7(a) 10 10 [am] 1 7(b)(i) 8 1 7(b)(ii) 20 1 7(c) Line from 2 B1 for either line correct (11 10, 12) to (11 20, 12) and ruled line from (their11 20, 12) If zero scored, B1 for to (their11 20 + 30, 0) 30 [min] or half an hour or 0.5 [hours]
11 Rangan buys 3.6 kg of potatoes and 2.8 kg of leeks. The total cost is $13.72 . Leeks cost $2.65 per kilogram. Find the cost of 1 kg of potatoes. $ … [3]
3 marks
Mark scheme: 11 1.75 3 M2 for (13.72 – 2.8 × 2.65) ÷ 3.6 oe or M1 for 2.8 × 2.65
10 Ethan invests $6400 at a rate of 2.6% per year simple interest. Calculate the total value of his investment at the end of 3 years. $ … [3]
3 marks
Mark scheme: 10 6899.2[0] final answer 3 6400 × 2.6 × 3 M2 for + 6400 100 6400 × 2.6 × 3 or M1 for 100
18 Ramond walks 2460 metres in 33 minutes. Work out Ramond’s average speed in kilometres per hour. … km/h [3]
3 marks
Mark scheme: 18 4.47 or 4.472 to 4.473 3 2460 33 M2 for ÷ oe 1000 60 or B2 for figs 4472[7...] or 4473 or M1 for figs 246 ÷ their time or B1 for 2.46 or 0.55 seen
6 8 7 6 5 Distance (km) 4 3 2 1 0 12 00 13 00 14 00 15 00 16 00 Time The travel graph shows a student’s journey. (a) Explain what is happening between 14 20 and 14 40. … [1] (b) Complete the statement. The student is travelling fastest between the times … and … because … [2]
3 marks
Mark scheme: 6(a) Student is stationary oe 1 6(b) 13 00 13 20 2 B1 for both times correct or correct gradient is steepest reason
8 Nazaneen changes $6500 into 5798 euros at a bank. Work out the exchange rate the bank uses. $1 = … euros [1]
1 marks
Mark scheme: 8 0.892 1
22 There is a straight road between town A and town B of length 130 km. Maxi travels from town A to town B. Pippa travels from town B to town A. Both travel at a constant speed of 40 km/h. Maxi leaves 30 minutes before Pippa. Work out how far from town A they will be when they pass each other. … km [4]
4 marks
Mark scheme: 22 75 4 B3 for 55 or B2 for 110 or B1 for 20 seen OR 30 M1 for × 40 or better seen 60 M1dep for 130−their 20 their110 M1dep for 2 OR M1 for 130 ÷ 40 or better seen M1 for their 3.25 – 0.50 2.75 M1 for their × 40 2
19 Angelique rents a room for a party. The cost of renting the room is $15.50 for the first hour and then $7.25 for each additional hour. She pays $95.25 in total. Work out the total number of hours she rents the room for. … hours [3]
3 marks
Mark scheme: 19 12 3 M2 for (95.25 – 15.5) ÷ 7.25 oe or (95.25 – (15.5 – 7.25)) ÷ 7.25 oe or M1 for 95.25 – 15.5 or B1 for 79.75
17 Sanjay invests $700 in an account paying simple interest at a rate of 2.5% per year. Calculate the value of his investment at the end of 6 years. $ … [3]
3 marks
Mark scheme: 17 805 3 B2 for 105 700 × 2.5 × 6 or M2 for + 700 oe 100 700 × 2.5 [× 6 ] or M1 for oe 100
19 Lin invests $16 000 at a rate of r % per year simple interest. At the end of 5 years, she has a total amount of $17 920. Find the value of r. r = … [3]
3 marks
Mark scheme: 19 2.4 3 B2 for 0.024 seen or M2 for oe or better r 17 920 – 16 000 = 5 16000 100 or 17 920 = 16 000 × (1 + 5r)[×100] or M1 for any of these, oe or better r 17 920 – 16 000 or 5 16000 100 their 1 920 or 100 or 16000 17920 100 1 00 16000 their 1920 or 100 or figs 384 5
22 The table shows the population and area of three countries in 2020. Country Population Area (km2) Nigeria .206 # 108 9.11 # 10 5 Comoros 8.70 # 10 5 1.86 # 10 3 Vietnam 9.73 # 10 7 3.10 # 10 5 (a) Calculate the difference in population between Nigeria and Vietnam. … [1] (b) Which of Comoros or Vietnam has the greater population density? You must show all your working. population Population density = 2 > area(km ) H … [3]
4 marks
Mark scheme: 22(a) 108 700 000 1 or 1.087 × 108 22(b) 8.70 × 105 ÷ 1.86 × 103 oe M1 9.73 × 107 ÷ 3.10 × 105 oe M1 Comoros A1 Dependent on M2
22 North B NOT TO SCALE A The bearing of B from A is 059°. Work out the bearing of A from B. … [2]
2 marks
Mark scheme: 22 239 2 M1 for 180 59 or 360 180 59 oe or indicates correct angle on diagram
19 The bearing of A from B is 137°. Find the bearing of B from A. … [2]
2 marks
Mark scheme: 19 317 2 M1 for 137 + 180 oe
15 Jenna buys 2.4 m of ribbon and 4.8 m of fabric. The total cost is $33.48 . Ribbon costs $0.85 per metre. Find the cost of 1 m of fabric. $ … [3]
3 marks
Mark scheme: 15 6.55 3 M2 for (33.48 – 2.4 × 0.85) oe or M1 for 2.4 × 0.85
9 Nerina invests $5400 at a rate of r% per year simple interest. At the end of 3 years, the total interest earned is $429.30 . Calculate the value of r. r = … [2]
2 marks
Mark scheme: 9 2.65 2 5400 3 r M1 for = 429.3[0] oe or better 100
10 The cost of hiring a bicycle, $C, for y hours is given by the formula C = 12 + 3.5y . Maria pays $36.50 to hire this bicycle. Work out the number of hours she hires the bicycle for. … hours [2]
2 marks
Mark scheme: 10 7 2 M1 for 36.5[0] – 12 = 3.5y or better
16 Filip invests $4000 for 3 years at a rate of 2.5% per year simple interest. Calculate the value of his investment at the end of the 3 years. $ … [3]
3 marks
Mark scheme: 16 4300 3 B2 for 300 4000 2.5 3 or M2 for 4000 + oe 100 4000 2.5 3 or M1 for oe 100
23 Change 9.6 km/h into m/s. … m/s [2]
2 marks
Mark scheme: 23 2 2 9.6 1000 2 or 2.67 M1 for oe 3 60 60 or 2.666 to 2.667
3 A piece of string has length 65.1 cm. The string is cut into 7 equal pieces. Find the length of each piece. … cm [1]
1 marks
Mark scheme: 3 9.3 1