Download [PDF] October 2017 CAIE P1 Mark Schemes 0845 Mathematics Cambridge Primary Checkpoint

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[PDF] October 2017 CAIE P1 Mark Schemes 0845 Mathematics Cambridge Primary Checkpoint.pdf | Plain Text

This document consists of 9 printed pages and 1 blank page. IB17 10_0845_01/3RP © UCLES 2017 [Turn over Cambridge International Examinations Cambridge Primary Checkpoint MATHEMATICS 0845/01 Paper 1 October 2017 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 a 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.

0845/01 Primary Checkpoint Mathematics – Mark Scheme Published October 2017 Page 2 of 10 Mark scheme annotations and abbreviations M1 method mark A1 accuracy mark B1 independent mark FT follow through after error dep dependent oe or equivalent cao correct answer only isw ignore subsequent working soi seen or implied

0845/01 Primary Checkpoint Mathematics – Mark Scheme Published October 2017 Page 3 of 10 Question Answer Marks Further information 1 8 1 Question Answer Marks Further Information 2 650 1 Question Answer Marks Further Information 3 2390 (people) 1 Question Answer Marks Further Information 4 16 (cm) 1 Question Answer Marks Further Information 5 1Both must be circled for the mark to be awarded. Question Answer Marks Further Information 6(a) 9 (children) 1 6(b) 28 (children) 1 3436 43 56 64 67

0845/01 Primary Checkpoint Mathematics – Mark Scheme Published October 2017 Page 4 of 10 Question Answer Marks Further Information 7 763, 736, 673, 637, 376, 367 2All six answers in order with no additional answers. Five correct answers in the correct order. B1 Do not accept reverse order. Question Answer Marks Further Information 8 7:15 1Accept equivalent answers. Question Answer Marks Further Information 9(a) 1024 1 9(b) 19 140 1 Question Answer Marks Further Information 10 5 (crates) 1Do not accept 4 remainder 6 Question Answer Marks Further Information 11 2.25 (metres) 1Correct answer only.

0845/01 Primary Checkpoint Mathematics – Mark Scheme Published October 2017 Page 5 of 10 Question Answer Marks Further Information 12 8 3 1Accept equivalent fractions. Question Answer Marks Further Information 13 5.3 (m) 1 Question Answer Marks Further Information 14 1 Question Answer Marks Further Information 15 1.15 (kg) 1Accept answers between 1.13 and 1.17 (kg) inclusive. Question Answer Marks Further Information 16(a) 21:07 1Do not allow 21:7 16(b) 00:22 1Do not allow 24:22 Question Answer Marks Further Information 17(a) 3 1 17(b) 14 (cars) 1 –50 –28 –27 –23 –22

0845/01 Primary Checkpoint Mathematics – Mark Scheme Published October 2017 Page 6 of 10 Question Answer Marks Further Information 18 36 or 81 1 Question Answer Marks Further Information 19 1 Question Answer Marks Further Information 20 1 (minute(s)) 38 (second(s)) 1 Question Answer Marks Further Information 21 7 (red balls) 1 Question Answer Marks Further Information 22 1All three answers must be correct for the award of the mark. 6 8 3 4 9 12 2 8 4 8 3.5 4.8 7.1 6.3 2.9 5.23.7 6.5

0845/01 Primary Checkpoint Mathematics – Mark Scheme Published October 2017 Page 7 of 10 Question Answer Marks Further Information 23 1Accept slight inaccuracies in the drawing if the intention is clear. Question Answer Marks Further Information 24 6 1 Question Answer Marks Further Information 25 6.25 × 10 = 62.5 True 625 ÷ 10 = 6.25 False 0.625 × 100 = 625 False 6250 ÷ 100 = 62.5 True 1All three answers must be correct for the award of the mark. Question Answer Marks Further Information 26 1.7, 1.4, 1.1 1All three answers must be correct for the award of the mark.

0845/01 Primary Checkpoint Mathematics – Mark Scheme Published October 2017 Page 8 of 10 Question Answer Marks Further Information 27 1Both must be circled for the award of the mark. Question Answer Marks Further Information 28 2.06 2.35 2.4 2.6 2.95 1 Question Answer Marks Further Information 29 2 a correct method containing any number of arithmetic errors, e.g.: 85 + [⅓(130 – 85)] and 130  [⅓(130 – 85)] M1 Award only one of M1 or B1 100 or 115 in incorrect box. B1 Question Answer Marks Further Information 30 E D A B C 2All five answers correct. three or four answers correct. B1 20 × 1800 60 × 60 400 × 90 30 × 120 85 130 100 115

0845/01 Primary Checkpoint Mathematics – Mark Scheme Published October 2017 Page 9 of 10 Question Answer Marks Further Information 31 2Three correct answers. Two correct answers. B1 Question Answer Marks Further Information 32 169 32 8 3 8 5 1 0.7 × = 63 0.9 × 7 = – 70 = 0.963 – 9 = 7 6390 6.3

0845/01 Primary Checkpoint Mathematics – Mark Scheme Published October 2017 Page 10 of 10 BLANK PAGE