[PDF] Cambridge Primary Checkpoint - Mathematics (0845) April 2017 Paper 2 Mark Scheme.pdf | Plain Text

This document consists of 10 printed pages. IB17 05_0845_02/5RP © UCLES 2017 [Turn over Cambridge International Examinations Cambridge Primary Checkpoint MATHEMATICS 0845/02 Paper 2 April 2017 MARK SCHEME Maximum Mark: 40 IMPORTANT NOTICE Mark Schemes have been issued on the basis of one copy per Assistant examiner and two copies per Team Leader. 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 Principal Examiner Report for Teachers. Cambridge will not enter into discussions about these mark schemes.

0845/02 Checkpoint Primary – Mark Scheme April 2017 Published 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

0845/02 Checkpoint Primary – Mark Scheme April 2017 Published Page 3 of 10 [Turn over Question Answer Marks Further Information 1 200 and 850 2 Accept 840 to 860 inclusive for 850. One correct answer. B1 Question Answer Marks Further Information 2 B C A D 1 Accept 20°, 85°, 90°, 130° (all ± 5°). Question Answer Marks Further Information 3 384 1 Question Answer Marks Further Information 4 Fraction Decimal 21 0.5 4 3 0.75 10063 0.63 1 Award 1 mark for both correct. Allow equivalent fractions for 4 3 e.g. 10075 .

0845/02 Checkpoint Primary – Mark Scheme April 2017 Published Page 4 of 10 Question Answer Marks Further Information 5 (a) 25 (ants) 1 5 (b) An explanation that shows there are more spiders in the Class 4B pictogram, for example:  The chart shows that Class 4A collected 3  5 = 15 spiders but Class 4B collected 2  10 = 20 spiders. 1 Do not award the mark for explanations that only restate the value of each symbol, for example  in 4A each symbol = 5  in 4B each symbol = 10 Values of 15 and 20 must be correct. Question Answer Marks Further Information 6 (a) 2 (cm) 1 6 (b) 36 (cm) 1 Question Answer Marks Further Information 7 8 (people) 1 Question Answer Marks Further Information 8 6710 6700 7000 2 All 3 answers must be correct for 2 marks. Any two correct answers. B1

0845/02 Checkpoint Primary – Mark Scheme April 2017 Published Page 5 of 10 [Turn over Question Answer Marks Further Information 9 1 5  9 3 = 1395 1 Accept 15 and 93 in either order. Question Answer Marks Further Information 10 1 Accept any clear indication of correct answer. Question Answer Marks Further Information 11 35 550 and 35 005 1 Both answers must be correct for 1 mark. 4 35 pm 14 05 16 2504 17

0845/02 Checkpoint Primary – Mark Scheme April 2017 Published Page 6 of 10 Question Answer Marks Further Information 12 An explanation that shows that the answer to 342 ÷ 5 is not a whole number, for example:  342 divided by 5 has a remainder (answer must be evaluated, i.e. gives the remainder of 2)  the answer is not a whole number (answer must be evaluated, i.e. gives answer of 68.4) or An explanation that includes 0 and 5, for example:  All the multiples of 5 end in 0 or 5  342 does not end in 0 or 5 or An explanation stating that any number ending in 2 cannot be divisible by 5, for example:  Any number with a units digit of 2 is not divisible by 5 1 Question Answer Marks Further Information 13 10 (minutes) 1 Question Answer Marks Further Information 14 Rectangle 9  2 or 6  3 1 Do not accept rectangles that do not use the dots. Question Answer Marks Further Information 15 14 24 34 42 54 1

0845/02 Checkpoint Primary – Mark Scheme April 2017 Published Page 7 of 10 [Turn over Question Answer Marks Further Information 16 1 Drawing should be accurate enough to demonstrate an understanding of the required translation. Question Answer Marks Further Information 17 11, 13, 17 and 19 2 Three correct answers with at most one additional incorrect answer. or All four correct with one extra. B1 Question Answer Marks Further Information 18 1 A B impossible unlikely even chance likely certain

0845/02 Checkpoint Primary – Mark Scheme April 2017 Published Page 8 of 10 Question Answer Marks Further Information 19 ($)78.90 2 A correct method containing any number of arithmetic errors, e.g. 22  2.75 + 4  4.60 M1 Question Answer Marks Further Information 20 (a) 2 squares shaded. 1 20 (b) 107 or ; 4 5 4 4 1 Accept equivalent fractions or decimals, for example: 0.7 or 20 14 Question Answer Marks Further Information 21 2 All three answers correct. Any one or two correct answers. B1 8.68 9.12 7.51.62 10.3 16.18

0845/02 Checkpoint Primary – Mark Scheme April 2017 Published Page 9 of 10 [Turn over Question Answer Marks Further Information 22 false true false 1 All answers must be correct for the award of 1 mark. Question Answer Marks Further Information 23 5 or – 6 1 Question Answer Marks Further Information 24 (a) 3 (cm) 1 24 (b) 52 (mm) 1 Allow 51 mm or 53 mm. Question Answer Marks Further Information 25 4 (faces) 8 (vertices) 8 (edges) 2 Two correct answers. B1 Question Answer Marks Further Information 26 21:35 1 Accept 9:35 pm. Do not accept 9:35.

0845/02 Checkpoint Primary – Mark Scheme April 2017 Published Page 10 of 10 Question Answer Marks Further Information 27 1 Both answers must be correct for the award of the mark. Question Answer Marks Further Information 28 18 (cats) 1 Question Answer Marks Further Information 29 ($) 6.20 2 A correct method containing any number of arithmetic errors e.g.  1003.5 2170  21.70 ÷ 35 M1 Only award one of the M1 or B1 marks. Sight of 620 with no unit (as final answer in their working). or 620 cents seen with incorrect place value conversion to $. B1 1 5 5 2