Download [PDF] April 2018 CAIE P1 Mark Schemes 0845 Mathematics Cambridge Primary Checkpoint

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[PDF] April 2018 CAIE P1 Mark Schemes 0845 Mathematics Cambridge Primary Checkpoint.pdf | Plain Text

This document consists of 10 printed pages. IB18 05_0845_01/3RP © UCLES 201 8 [Turn ov er Cambridge International Examinations Cambridge Primary Checkpoint M ATHEM ATICS 0845/01 Paper 1 April 2018 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.

0845 /01 Primary Checkpoint Mathematics - Mark Scheme POST-STANDARDISATION April 2018 © UCLES 2018 Page 2 of 11 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 POST-STANDARDISATION April 2018 © UCLES 2018 Page 3 of 11 Question Answ er Marks Further Information 1 67 1 Question Answ er Marks Further Information 2 18 (squares) 1 Do not accept 18 2 Question Answ er Marks Further Information 3 × 4 3 9 2 8 6 18 5 20 15 45 6 24 18 54 2 Award 2 marks for all 5 boxes correct. 3 or 4 boxes correct B1 Question Answ er Marks Further Information 4 Any 2 triangles shaded 1

0845 /01 Primary Checkpoint Mathematics - Mark Scheme POST-STANDARDISATION April 2018 © UCLES 2018 Page 4 of 11 Question Answ er Marks Further Information 5 2 All 4 numbers must be in the correct section of the diagram for 2 marks. 3 numbers correctly placed. B1 Question Answ er Marks Further Information 6 270 (° clockwise ) 1 Question Answ er Marks Further Information 7 Yes, together with calculations showing that 10 7 > 5 3 for ex ample: • 5 3 = 10 6 so 10 7 is larger • 5 3 = 0.6 and 10 7 = 0.7 so 10 7 is larger 1 Do not accept ‘Yes ’ without a mathematically correct explanation .

0845 /01 Primary Checkpoint Mathematics - Mark Scheme POST-STANDARDISATION April 2018 © UCLES 2018 Page 5 of 11 Question Answ er Marks Further Information 8 3721 1 Question Answ er Marks Further Information 9 E 1 Allow 65900 Question Answ er Marks Further Information 10 2 All three must be correct for the award of 2 marks. 2 correct answers. B1 Question Answ er Marks Further Information 11(a) 22 30 1 Accept 22:30 Do not accept 22.30 11(b) 08 45 1 Accept 08:45 Do not accept 8.45

0845 /01 Primary Checkpoint Mathematics - Mark Scheme POST-STANDARDISATION April 2018 © UCLES 2018 Page 6 of 11 Question Answ er Marks Further Information 12 2 Award 2 marks for all four answers correct with no errors. 2 or 3 answers correct with no more than 2 errors or All 4 correct but with additional pairs ringed . B1 Question Answ er Marks Further Information 13 45 4(m) 1 Accept 4 plus any fraction equivalent to 5 4. Do not accept 4.8 Question Answ er Marks Further Information 14(a) 8 (blocks ) 1 14(b) 6 (blocks ) 1

0845 /01 Primary Checkpoint Mathematics - Mark Scheme POST-STANDARDISATION April 2018 © UCLES 2018 Page 7 of 11 Question Answ er Marks Further Information 15(a) 16 and 53 1 Both numbers must be correct . 15(b) 1 Question Answ er Marks Further Information 16 1 All three must be correct for 1 mark. Question Answ er Marks Further Information 17 1

0845 /01 Primary Checkpoint Mathematics - Mark Scheme POST-STANDARDISATION April 2018 © UCLES 2018 Page 8 of 11 Question Answ er Marks Further Information 18 7.04 7.1 7.4 7.44 1 All 4 boxes must be correct for 1 mark. Question Answ er Marks Further Information 19 0.9 or 10 9 1 Question Answ er Marks Further Information 20 68.4 1.9 684 2 All 3 correct . 2 correct. B1 Question Answ er Marks Further Information 21 80 and 100 and 120 2 All 3 correct with no incor rect answers. 2 correct answers with no incorrect answers or 3 correct answers and no more than 1 incorrect answer B1 Question Answ er Marks Further Information 22 60 (°) 1

0845 /01 Primary Checkpoint Mathematics - Mark Scheme POST-STANDARDISATION April 2018 © UCLES 2018 Page 9 of 11 Question Answ er Marks Further Information 23 17 (°C) 1 Do not accep t –17 (°C) Question Answ er Marks Further Information 24(a) ($) 31.25 1 24(b ) ($) 258.65 1

0845 /01 Primary Checkpoint Mathematics - Mark Scheme POST-STANDARDISATION April 2018 © UCLES 2018 Page 10 of 11 Question Answ er Marks Further Information 25(a) 1 ‘Peg’ marked at the point (1, –1) Accept any identifiable mark . 25 (b ) (–1, –1) (0, –1) (2, –1) 1 All 3 co -ordinates must be correct for 1 mark. Accept the answers in any order. Question Answ er Marks Further Information 26 3500 1 Question Answ er Marks Further Information 27 1 17 2 (miles) or 17.5 (mile s) 1 Accept answers in the range 17 miles to 18 miles inclusive.

0845 /01 Primary Checkpoint Mathematics - Mark Scheme POST-STANDARDISATION April 2018 © UCLES 2018 Page 11 of 11 Question Answ er Marks Further Information 28 (a) Any three numbers of which at least two are 6 1 28 (b) Any three numbers where largest – smallest is 7 1