Download [PDF] 2012 CAIE P2 Questions 1112 Mathematics Specimen Cambridge Lower Secondary Checkpoint

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[PDF] 2012 CAIE P2 Questions 1112 Mathematics Specimen Cambridge Lower Secondary Checkpoint.pdf | Plain Text

This document consists of 13 printed pages and 1 blank page. © UCLES 2011 [Turn over For Examiner's Use 1 2 3 4 5 6 7 8 9 10 11 12 13 Total UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS Cambridge Checkpoint MATHEMATICS 1112/02 Paper 2 For Examination from 2012 SPECIMEN PAPER 1 hour Candidates answer on the Question Paper. Additional Materials: Geometrical Instruments Calculator Tracing Paper READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on the work you hand in. Write in dark blue or black pen. You may use a pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, highlighters, glue or correction fluid. Answer all questions. You should show all your working in the booklet. The number of marks is given in brackets [ ] at the end of each question or part question. The total number of marks for this paper is 50.

2 © UCLES 2011 1112/02/SP/12 1 Here are the ages of a group of office workers. 45 18 27 26 32 28 47 30 35 Work out (a) the median age [1] (b) the mean age. [2]

3 © UCLES 2011 1112/02/SP/12 [Turn over For Examiner's Use 2 (a) Ken makes a fruit drink. He mixes apple juice : mango juice in the ratio 3 : 1 Work out (i) how much apple juice he mixes with 3 litres of mango juice litres [1] (ii) how much mango juice he mixes with 1.5 litres of apple juice. litres [1] (b) Ivana uses 1.5 kg carrots, 500 g potatoes and 1 kg onions to make vegetable soup. Write the ratio carrots : potatoes : onions in its simplest form. : : [2] (c) In a school the student ratio of girls : boys is 3 : 5 There are 450 boys. Work out the total number of students in the school. [2]

4 © UCLES 2011 1112/02/SP/12 3 (a) The cost of a computer repair is worked out using the formula C = 35 + 15h where C is the cost in dollars and h is the time taken in hours. Use the formula to find (i) the cost of a repair that takes 3 hours $ [1] (ii) the time taken for a repair that costs $110 hours [2] (b) Rearrange the formula k = 3m – 2 to make m the subject. m = [2]

5 © UCLES 2011 1112/02/SP/12 [Turn over For Examiner's Use 4 Here is part of a bus timetable. All of the buses are on time. Business Park 14 03 14 33 15 03 15 33 South Hill 14 18 14 48 15 18 15 48 Hospital 14 28 14 58 15 28 15 58 Clock Tower 14 42 15 12 15 42 16 12 Bus Station 14 47 15 17 15 47 16 17 (a) Nihal gets to the bus stop at South Hill at 14 50 (i) At what time does the next bus arrive? [1] (ii) Write your answer to part (i) using the 12-hour clock. [1] (b) Meera catches the 14 58 bus from the Hospital. Work out how long it takes to get to the Bus Station. minutes [1] (c) The distance from the Business Park to South Hill is 10 kilometres. Work out the average speed of a bus from the Business Park to South Hill. Give your answer in kilometres per hour. km/hour [2]

6 © UCLES 2011 1112/02/SP/12 5 The diagram shows triangles A and B and point P and R on a grid. 5 4 3 2 1 –1 –2 –3 –4 –5y 0 –1 –2 –3 –4 –5 –665 4 3 2 1 A B P R x (a) Mark the point (3, 2). Label it Q. [1] (b) Point M is the midpoint of the line PR. Write down the coordinates of M. ( , ) [1] (c) Reflect triangle A in the y-axis. Label the image C. [1] (d) Describe in full the rotation that maps triangle A onto triangle B. [2]

7 © UCLES 2011 1112/02/SP/12 [Turn over For Examiner's Use 6 Ameera makes a sequence of patterns using counters. The first three patterns are shown. Pattern 1 Pattern 2 Pattern 3 Pattern number (p) 1 2 3 4 5 Number of counters (c) 5 8 11 (a) Complete the table. [1] (b) Work out the number of counters in Pattern 10. [1] (c) Find the formula for the number of counters, c, in pattern p. c = [2] (d) Ameera thinks that she can make one of these patterns with exactly 60 counters. Explain why she is wrong. [1]

8 © UCLES 2011 1112/02/SP/12 7 (a) Calculate the area of this triangle. 6.5 cm 4.8 cm cm 2 [1] (b) The diagram shows the full-size net of a cuboid drawn on a cm 2 grid. Work out the volume of the cuboid in cm 3. Show your measurements and working clearly. cm 3 [2]

9 © UCLES 2011 1112/02/SP/12 [Turn over For Examiner's Use (c) Calculate the area of the semicircle with radius 5 cm. cm 2 [2]

10 © UCLES 2011 1112/02/SP/12 8 (a) Lola buys a new car on credit. The total cost of the car is $6900 She pays a 20% deposit. How much is the deposit? $ [1] (b) Lola wins $240 She spends $48 on a dress. What percentage of the $240 has she spent? % [2] (c) Lola puts $150 into a bank account. The account pays 4% per annum simple interest. Work out the total amount of money in her account at the end of the year. $ [2]

11 © UCLES 2011 1112/02/SP/12 [Turn over For Examiner's Use 9 The diagram shows a triangular plot of land drawn to a scale of 1 cm to 10 m. A B C Scale: 1 cm to 10 m A tree is planted in the plot at point T such that  T is 70 metres from point A  T is 20 metres from side AB Using a ruler and compasses mark the point T. Leave all your construction lines. [3] Scale: 1 cm to 10 m

12 © UCLES 2011 1112/02/SP/12 10 Jamal uses two fair five-sided spinners in a game. His score is the total of the two numbers shown on the spinners. (a) Complete the table to show all his possible scores. 1 2 3 4 5 1 2 3 4 5 6 2 4 5 6 7 3 6 7 8 4 8 9 5 10 [1] (b) Find the probability that Jamal gets (i) a score of 10 [1] (ii) a score of 1 [1] (c) Find the probability that Jamal gets a score less than 6. Give your answer as a fraction in its lowest terms. [2]

13 © UCLES 2011 1112/02/SP/12 For Examiner's Use 11 The diagram shows a rectangular field ABCD. AB = 40 m, BC = 25 m. AB C D40 m 25 m A path crosses the field from A to C. Use Pythagoras’ theorem to work out the length of the path. m [3]

14 Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (UCLES) to trace copyright holders but, if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. University of Cambridge International Examinations is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of University of Cambridge Local Examinations Syndicate (UCLES), which is itself a department of the University of Cambridge. © UCLES 2011 1112/02/SP/12 BLANK PAGE