Download [PDF] October 2015 CAIE P1 Mark Schemes 0845 Mathematics Cambridge Primary Checkpoint

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[PDF] October 2015 CAIE P1 Mark Schemes 0845 Mathematics Cambridge Primary Checkpoint.pdf | Plain Text

This document consists of 10 printed pages. IB15 10_0845_01/3RP © UCLES 2015 [Turn over Cambridge International Examinations Cambridge Primary Checkpoint MATHEMATICS 0845/01 Paper 1 October 2015 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.

2 © UCLES 2015 0845/01/O/N/15 Question number 1 Part Mark Answer Further Information (a) 1 33 (b) 1 350 Total 2 Question number 2 Part Mark Answer Further Information 1 152 Total 1 Question number 3 Part Mark Answer Further Information (a) 1 3760 (b) 1 480 Total 2 Question number 4 Part Mark Answer Further Information 1 Saturday Allow clear abbreviations. Total 1

3 © UCLES 2015 0845/01/O/N/15 [Turn over Question number 5 Part Mark Answer Further Information 1 Accept any 2 squares shaded, for example: Accept shading equivalent to 2 whole squares if part squares are used. Total 1 Question number 6 Part Mark Answer Further Information (a) 1 Draws a rectangle 5 cm by 2 cm, e.g. or Do not accept rectangles whose vertices are not dots on the grid. Do not accept diagonal lines. (b) 1 14 (cm) Follow through from (a) provided the sides of the rectangle are horizontal and vertical, no diagonals. Total 2

4 © UCLES 2015 0845/01/O/N/15 Question number 7 Part Mark Answer Further Information 1 1.62 (m) Total 1 Question number 8 Part Mark Answer Further Information (a) 1 Shoe colour Black Blue Brown WhiteTally Frequency IIII IIII IIII IIII 7 5 4 2 (b) 1 Black Total 2 Question number 9 Part Mark Answer Further Information 1 210 Total 1

5 © UCLES 2015 0845/01/O/N/15 [Turn over Question number 10 Part Mark Answer Further Information (a) 1 4 (blocks) (b) 1 65 (cm) Total 2 Question number 11 Part Mark Answer Further Information 1 2  12 3  8 4  6 Total 1 Question number 12 Part Mark Answer Further Information (a) 1 2600 (b) 1 3570 Total 2 Question number 13 Part Mark Answer Further Information 1 3981 Total 1

6 © UCLES 2015 0845/01/O/N/15 Question number 14 Part Mark Answer Further Information 1 –3 Total 1 Question number 15 Part Mark Answer Further Information (a) 1 Javid Muran Aisha Ben Lia 0 102030405060708090100110120130140150160 (b) 1 118 Total 2 Question number 16 Part Mark Answer Further Information (a) 1 60 (°) (b) 1 isosceles Total 2 Question number 17 Part Mark Answer Further Information 1 1477 Total 1

7 © UCLES 2015 0845/01/O/N/15 [Turn over Question number 18 Part Mark Answer Further Information (a) 1 38.4 (b) 1 768 Total 2 Question number 19 Part Mark Answer Further Information (a) 1 18 000 (b) 1 1.8 Total 2 Question number 20 Part Mark Answer Further Information (a) 1 2 hundreds 2 tens 2 units 2 tenths 2 hundredths (b) 1 5 thousands Total 2 Question number 21 Part Mark Answer Further Information 1 5 + 10 (cm) 6 + 9 (cm) in any order 7 + 8 (cm) Total 1

8 © UCLES 2015 0845/01/O/N/15 Question number 22 Part Mark Answer Further Information 1 5.40 or 05.4 Total 1 Question number 23 Part Mark Answer Further Information (a) 1 3 (b) 1 An explanation that compares the frequency of a 2 occurring with the frequency of each of the other numbers occurring, for example:  There is only one 2 and there are more ones and threes  2 is the least common number  There are more ones and threes than twos. or An explanation that refers to the probability of 2 occurring, for example:  probability of 2 is only 81 Total 2 Question number 24 Part Mark Answer Further Information 1 15 (°C) Total 1

9 © UCLES 2015 0845/01/O/N/15 [Turn over Question number 25 Part Mark Answer Further Information 2 14 (beads) Award 1 mark for: Showing 35 split into groups of 5 (3 large and 2 small beads). or Gives the answer 21 (number of large beads required). Total 2 Question number 26 Part Mark Answer Further Information 1 An example of 2 square numbers with an even total. The square numbers must both be odd or both be even, for example 1 + 1 = 2 4 + 16 = 20 The correct calculation must be shown for the award of the mark. Total 1

10 © UCLES 2015 0845/01/O/N/15 Question number 27 Part Mark Answer Further Information 1 B Total 1