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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS Cambridge Primary Checkpoint MATHEMATICS 0845/01 For Examination from 2012 Paper 1 SPECIMEN MARK SCHEME 45 minutes MAXIMUM MARK: 40 This document consists of 7 printed pages and 1 blank page. © UCLES 2011 [Turn over 2 Question 1 Part Mark 1 Answer Further Information 15 hundreds 150 tens Both must be correct for the award of the mark. Answer Further Information Total 1 Question 2 Part Mark (a) 1 1096 (b) 1 9100 Total 2 Question 3 Part Mark 2 Total 2 Question 4 Part Mark (a) 1 (b) 1 Total 2 Question 5 Part Mark 1 Total © UCLES 2011 Answer Further Information 60 ÷ 10 to 6 30 ÷ 3 to 10 28 ÷ 4 to 7 Award 2 marks for all 3 correct. Award 1 mark for 2 correct. Answer Further Information 14 16 Both correct = 1 mark. bar drawn to 7 Accept bar drawn between the grid lines representing 6 and 8. Answer Further Information 2 1 0845/01/SM/12 3 Question 6 Part Mark 1 Total 1 Question 7 Part Mark 1 Total 1 Question 8 Part Mark (a) 1 Answer Further Information 25 (grams) Answer Further Information 1708 Answer Further Information 2:03 or 14:03 or three minutes past two Accept any correct indication. Accept: 02:03 2.03 am 2.03 pm Do not accept: 2:3 2 hours 3 minutes (b) 1 Total 2 Question 9 Part Mark 1 Total © UCLES 2011 9:21 pm Answer Further Information The first triangle on the left should not be ticked. It is not an isosceles triangle. 1 0845/01/SM/12 [Turn over 4 Question 10 Part Mark (a) 1 any 3 squares shaded (b) 1 Keisha (c) 1 4 12 Total 3 Question 11 Part Mark 1 Answer Answer Further Information 70 Accept any number between 65 and 75 inclusive. Answer Further Information Total 1 Question 12 Part Mark (a) 1 10.29 (b) 1 572 (c) 1 57 Total 3 Question 13 Part Mark (a) 1 (1, 3) (b) 1 Plot D at (4, 3) Total 2 © UCLES 2011 Further Information Answer Further Information The rectangle does not need to be drawn for the award of the mark. 0845/01/SM/12 5 Question 14 Part Mark 2 Answer × Further Information Award 2 marks for 4 correct entries in table. Award 1 mark for 2 or 3 correct entries in table. 5 63 3 15 Total 2 Question 15 Part Mark Answer Further Information (a) 1 73 (mm) Accept answers in the range 71 to 75 mm inclusive. (b) 1 145 (cm) Accept answers in the range 144 to 146 cm inclusive. (c) 1 1500 (m) Total 3 Question 16 Part Mark 1 Total © UCLES 2011 Answer Further Information Pair 2 are perpendicular Both sentences must be correct for the award lines. of the mark. Pair 1 are parallel lines. 1 0845/01/SM/12 [Turn over 6 Question 17 Part Mark (a) 1 24.5 (b) 1 2.4 Total 2 Question 18 Part Mark 1 Answer Further Information Answer Further Information 4 5 Total 1 Question 19 Part Mark Answer Further Information (a) 1 9 or 39 If more than one answer is given, both must be correct. (b) 1 9 or 49 If more than one answer is given, both must be correct. (c) 1 19 or 29 If more than one answer is given, both must be correct. (d) 1 19 Total 4 Question 20 Part Mark 1 Total © UCLES 2011 Answer -10 -4 Further Information 0 4 14 1 0845/01/SM/12 7 Question 21 Part Mark 1 Answer Further Information square-based pyramid Accept pyramid. Do not accept triangular pyramid. Answer Further Information Total 1 Question 22 Part Mark (a) 1 any two different decimals that sum to 1 e.g. 0.1 + 0.9 0.25 + 0.75 (b) 1 0.01 and 9.99 Accept any clear indication of the correct numbers. Total 2 Question 23 Part Mark Answer Further Information ‘The number 11’ joined to ‘impossible’. 1 both correct = 1 mark ‘An odd number’ joined to ‘even chance’. Total © UCLES 2011 1 0845/01/SM/12 8 BLANK PAGE © UCLES 2011 0845/01/SM/12