Download [PDF] October 2019 CAIE P2 Mark Schemes 0845 Mathematics Cambridge Primary Checkpoint

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This document consists of 8 printed pages and 0 blank page. IB19 10_0845_02/5RP © UCLES 2019 [Turn over Cambridge Assessment International Education Cambridge Primary Checkpoint M AT HEM AT ICS 0845/02 Paper 2 October 2019 MARK SCHEME Maximum Mark : 40 Published This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the examination. It shows the basis on which Markers were instructed to award marks. It does not indicate the details of the discussions that took place at an Markers’ meeting before marking began, which would have considered the acceptability of alternative answers. Mark schemes should be read in conjunction with the question paper and the End of Series Report. Cambridge will not enter into discussions about these mark schemes.

0845/02 Cambridge Primary Checkpoint – Mark Scheme October 2019 PUBLISHED Page 2 of 8 Question Answ er Marks Further Information 1(a) 8 (students) 1 1(b) 1 Allow if the height of the bar representing the cheetah is in the space between 10 and 8 Allow variable widths of bar so long as within confines of cheetah. The bar does not need to be shaded. 2 C, D, B, A 1 Allow 130°, 110°, 90°, 75° allow ± 2° Must be in the given order. 3 3 1 or 4 12 or 2 6 1 Accept any equivalent fraction.

0845/02 Cambridge Primary Checkpoint – Mark Scheme October 2019 PUBLISHED © UCLES 2019 Page 3 of 8 Question Answ er Marks Further Information 4 2 All 4 statements must be correct for 2 marks . 2 or 3 correct answers. B1 5 8 1 6 23 (packets) 1 7 1 Accept any clear indication. 8 Squares or square units 1 Accept mm 2 or cm 2. Accept any tessellating shape.

0845/02 Cambridge Primary Checkpoint – Mark Scheme October 2019 PUBLISHED Page 4 of 8 Question Answ er Marks Further Information 9 42 + 58 or 52 + 4 8 1 10 2 All 4 boxes correct. 2 or 3 boxes correct. M1 11(a) 1 Award 1 mark for an equilateral triangle in any position. Dots must be used as the vertices of the triangle. 11(b) Here are 3 different answers. For example: 1 Award 1 mark for an isosceles tr iangle in any position. Dots must be used as the vertices of the triangle.

0845/02 Cambridge Primary Checkpoint – Mark Scheme October 2019 PUBLISHED © UCLES 2019 Page 5 of 8 Question Answ er Marks Further Information 12 Frequency table of scores Scores Tally Frequency 3–6 1 7–10 3 11– 14 6 15– 18 5 2 Award 2 marks if both columns are correct. Tallies must be in groups of 5 Either the tally or the frequency column is correct. o r 4 or more boxes are correct . B1 Tallies must be in groups of 5 13 1 The diagram must be sufficiently accurate for the intention to be clear. 14 3 4 1 and 5 2 1 2 Do not accept decimal answers. Accept equivalent mixed numbers. one correct answer. B1

0845/02 Cambridge Primary Checkpoint – Mark Scheme October 2019 PUBLISHED Page 6 of 8 Question Answ er Marks Further Information 15 1 Numbers in each row can be given in any order. 16 4.1 7.8 2 .4 1 All 3 answers need to be correct for 1 mark. Accept answers such as 4.10 etc. 17 84, 12, 54 2 All 3 correct 2 correct answers . B1 18(a) 6 out of 10 is the same as 60%. 1 18(b) 5 out of 20 is the same as 25 %. 1 19 350 1 20 28 May 1

0845/02 Cambridge Primary Checkpoint – Mark Scheme October 2019 PUBLISHED © UCLES 2019 Page 7 of 8 Question Answ er Marks Further Information 21 55 cents or $0.55 1 Do not accept 55 or 0.55 22 59 × 30 = 1770 1 23 An explanation which recognises that all numbers ending in 3 are not prime, for example: • 33 divides by 3 so it is not prime • 63 i s divisible by 3 1 Accept a counter example, for example: 93 Do not accept a statement without exemplification, e.g. Not all numbers that end in 3 are prime. 24(a) ($) 3338 1 24(b) ($) 745 1 25 Multiples of 4 Not multiples of 4 Multiples of 5 40 Not multiples of 5 24 36 64 54 2 Award 2 marks for 4 numbers correctly placed. 3 numbers correctly placed B1

0845/02 Cambridge Primary Checkpoint – Mark Scheme October 2019 PUBLISHED Page 8 of 8 Question Answ er Marks Further Information 26 5.5 1 Do not allow − 5.5 27 30 (°C) 1 Do not allow − 30 (°C) 28 1 The diagram must be sufficiently accurate for the intention to be clear. 29(a) 124 (°) 1 Accept 123 – 125 (°) inclusive 29(b) 7.9 (cm) 1 Accept 7 .8 – 8.0 (cm) inclusive Accept 78 mm – 80 mm inclusive