Download [PDF] 2014 CAIE P2 Questions 1112 Mathematics Specimen Cambridge Lower Secondary Checkpoint

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[PDF] 2014 CAIE P2 Questions 1112 Mathematics Specimen Cambridge Lower Secondary Checkpoint.pdf | Plain Text

This document consists of 16 printed pages. IB14 1112_02_SP/4RP © UCLES 2014 [Turn over Cambridge International Examinations Cambridge Checkpoint MATHEMATICS 1112/02 Paper 2 For Examination from 2014 SPECIMEN PAPER 1 hour Candidates answer on the Question Paper. Additional Materials: Calculator Geometrical instruments READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you \ hand in. Write in dark blue or black pen. You may use a soft 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 questio\ n or part question. The total number of marks for this paper is 50.

2 © UCLES 2014 1112/02/SP/14 1 Choose a suitable metric unit to measure each of the following. the mass of a letter the height of a house the capacity of a bath [2] 2 Solve the equation 4 b + 11 = 39 b = [1] 3 A carpet costs $15 per square metre. The total delivery charge is $21 Peter buys n square metres of carpet. Tick (
) the expression which represents the total cost in $. 21( n + 15) [1] 15(n + 21) 15 n + 21 21 n + 15

3 © UCLES 2014 1112/02/SP/14 [Turn over 4 The chart shows the number of units of el ectricity produced each day of the week. 0 2 4 6 Mon Tue Wed Thu Fri Sun Sat 8 10 Number of units Day of the week 12 14 16 18 Over the seven days shown, (a) calculate the total number of units produced, units [1] (b) calculate the mean number of units produced per day. units [1]

4 © UCLES 2014 1112/02/SP/14 5 The table shows hourly rates of pay in a factory. Day rate Night rate $7.20 per hour $8.80 per hour Sanjit works for 6 hours during the day on Monday and for 5 hours on Tuesday night. Calculate how much money Sanjit earns altogether. $ [2] 6 A cuboid has dimensions 8 cm, 5 cm and 14 cm. 14 cm 8 cm 5 cm NOT TO SCALE Find the volume of the cuboid. cm 3 [1]

5 © UCLES 2014 1112/02/SP/14 [Turn over 7 A teacher asks all the students in her cl ass to write down an algebraic expression. Julie writes down this expression: 4 n – 5 The expression that Jim writes down is: 2 n + 14 What value of n makes the value of Julie’s expression equal to the value of Jim’s expression? You must show your working. n = [2] 8 Pupils in Grade 7 and Grade 8 can study either Arabic, Spanish or Mandarin. Complete the two-way table. Arabic Spanish Mandarin Total Grade 7 11 45 Grade 8 19 Total 37 50 120 [2]

6 © UCLES 2014 1112/02/SP/14 9 Look at the diagram below. –2 –3 –1 1 2 3 4 2 3 4 5 6 –1 –2 –35 y x = 1 0 x A B C 1 –4 (a) Write down the co-ordinates of the point B. ( , ) [1] (b) The triangle ABC is reflected in the line x = 1 to give a new triangle PQR. Draw the new triangle PQR on the diagram above. [2]

7 © UCLES 2014 1112/02/SP/14 [Turn over (c) The original triangle ABC is rotated 90 ° clockwise about the point (3, 1) to give another triangle. Write down the co-ordinates of the new position of B. ( , ) [1] (d) The diagram is drawn on a one centimetre grid. Work out the area of the triangle ABC. cm 2 [1] 10 Andy, Brian and Charlie share $72 in the ratio 2 : 3 : 4 Work out how much Brian receives. $ [2]

8 © UCLES 2014 1112/02/SP/14 11 The grid shows the straight line with equation 2 x + y = 12 y x 1 0 234567 –1 2 4 6 8 10 12 14 –2 2 x + y = 12 (a) A different equation is y = 2 x + 2 Complete the table of values for y = 2 x + 2 x 0 2 4 6 [1] y 2 (b) Draw the line y = 2 x + 2 on the grid. [1] (c) Write down the solution to the simultaneous equations. 2 x + y = 12 y = 2x + 2 x = y = [1]

9 © UCLES 2014 1112/02/SP/14 [Turn over 12 Tim thinks of a number. His number rounded to 2 decimal places is 5.46 What is the smallest possible number Tim could have thought of ? [1] 13 The diagram shows a pentagon ABCDE. AB C E D 118 ° NOT TO SCALE Angle EAB = 118 ° Explain how you can tell from the s ize of this angle that the pentagon is not regular. [1]

10 © UCLES 2014 1112/02/SP/14 14 Factorise y2 – 8 y [1] 15 Part of a train timetable is shown below. Windermere 13 45 14 17 14 44 15 17 Staveley 13 53 14 25 14 52 15 25 Burneside 13 57 14 29 14 56 15 29 Kendal 14 02 14 34 15 01 15 34 Oxenholme 14 06 14 38 15 05 15 38 Grace wants to travel from Staveley to Kendal. She arrives at Staveley station at 14 30 (a) How long will she have to wait for the train? minutes [1] (b) How long will the train journey take from Staveley to Kendal? minutes [1] (c) Sam arrived at Kendal on the train that left Windermere at 14 17. How long does he need to wait at Kendal until Grace arrives? minutes [1]

11 © UCLES 2014 1112/02/SP/14 [Turn over 16 Kieran buys a car for $8000 The following year he sells the car for $7500 Find the percentage loss. %[2] 17 Fill in the boxes. ( x + 3) ( – ) = x 2 – x – 12 [1] 18 The distance from the Earth to the Sun is 92 868 000 miles. Write this distance correct to 3 significant figures. miles [1]

12 © UCLES 2014 1112/02/SP/14 19 A company makes 12 different types of television. The cost (in dollars) and screen size (in ce ntimetres) of each type of television are shown in the scatter diagram. 0 100 40 50 60 70 80 Screen size (cm) Cost ($) 90 100 120110 200 300 400 500 600 700 800 900 (a) Write down the cost of the televi sion that has a screen size of 65 cm. $ [1] (b) The company is introducing a new t elevision with a screen size of 85 cm. Put a ring around the cost that you thin k would be most appropriate for the new television. $320 $530 $690 $800 Explain your answer. [1]

13 © UCLES 2014 1112/02/SP/14 [Turn over 20 Use a trial and improvement method to f ind an approximate solution to the equation x 3 + 5x = 400 Start with x = 7 Give your answer to one decimal place. You must show all your working. x x 3 + 5 x 7 x = [4]

14 © UCLES 2014 1112/02/SP/14 21 Two fair four-sided dice numbered 1 to 4 are rolled and the scores are multiplied together. 2 1 3 2 (a) Complete the sample space diagram to show all the outcomes. [1] Score on second dice 1 2 3 4 Score on first dice 1 1 2 3 4 (b) What is the probability of obtaining an even outcome? [1]

15 © UCLES 2014 1112/02/SP/14 [Turn over 22 A baby elephant has a mass of 105 kg. The elephant increases in mass by 95 kg per year. Work out how many years it will take for the elephant’s mass to increase to 2 tonnes. Give your answer to the nearest year. years [3] 23 A circular fish pond has an area of 20 m 2 Calculate the diameter of the fish pond. m [3]

16 Permission to reproduce items where third-par ty 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 holder s, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opport\ unity. 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 depa\ rtment of the University of Cambridge. © UCLES 2014 1112/02/SP/14 24 A trapezium is made up of triangles. A ED BC NOT TO SCALE Triangles ABE and BCE are right-angled triangles. Triangles CDE and BCE are isosceles triangles ( CE = DE and BC = BE ). AE = 3 cm and EB = 4 cm. Work out the length of AD. cm [3]