Cambridge IGCSE Design and Technology 0445 — 2012 May/June Paper 2 · Variant 1

0445/21 May/June 2012 1 hour For Examiner’s use Centre Number … © UCLES 2012 Candidate’s Number … Candidate’s Surname … Other Names … [Turn over Sheet 1 of 2 Section A Answer all questions in this section. A shop selling sweets, chocolates and ice-cream is called LUCKY TREATS. The design for the signboard is shown below. A1 Complete the full size view of the signboard in the space provided to the right by drawing: (a) the regular octagon 80 A/F; [5] (b) a semi-circle on the top of the octagon; [1] (c) equilateral triangles on the sides of the octagon. [2] A2 Complete the signboard for LUCKY TREATS by: (a) adding the two remaining letters; [4] (b) drawing in the remaining parts of the outline. [3] All the letters must be to the same height and style as those given. semi-circle regular octagon 80 A/F equilateral triangle www.XtremePapers.com

0445/21 May/June 2012 1 hour © UCLES 2012 A3 A child-sized model of an ice-cream is used to attract customers to the shop. Orthographic views of the ice-cream model are shown below. The model is made from expanded polystyrene. In the space to the right, draw an isometric view of the ice-cream model to a scale of 1:5. [10] SCALE 1:5 100 100 110 400 600 R200 110 250

0445/21 May/June 2012 1 hour Centre Number … © UCLES 2012 Candidate’s Number … Candidate’s Surname … Other Names … [Turn over Sheet 2 of 2 Section B Answer either question B4 or B5. B4 The shop has a PYO (Pick Your Own) promotion for children. A special box has been designed for children to fi ll with their selected sweets. The outline drawing below shows the box fully assembled. The box uses arrow tabs and slots to join the sides together. (a) In the space to the right, draw a full size, one-piece development (net) of the box. The base of the box has been drawn for you. [12] (b) Add to the development (net) suffi cient arrow tabs and slots to hold the sides together. [8] (c) Write the letters PYO in the correct orientation on the correct face of your development (net). [3] (d) In the space below, draw a method of holding the side fl aps together when folded inwards to close the box. Glue is not to be used. [2] 45 40 60 PYO 40 45 40 side flap side flap R14 arrow tab and slot 10 base of box

0445/21 May/June 2012 1 hour © UCLES 2012 B5 (a) The quantities of fl avoured ice-creams sold in the shop during the hottest week of the year in 2010 were as follows: Vanilla 1200 Coconut 450 Chocolate 900 Coffee 150 Strawberry 600 Mint 300 In the space to the right, draw a pie chart to show the distribution of fl avours as part of the total sales of ice-cream that week. [7] (b) The seasonal sales for each of the products sold in the shop in 2010 are shown below in the data chart. Shop sales 2010 Winter Spring Summer chocolates 800 850 450 sweets 550 500 550 ice-cream 350 450 950 TOTAL 1700 1800 1950 In the space below, draw a bar chart to show the sales of ice-cream over the winter, spring and summer in 2010. [3] (c) In the space below, draw a three-dimensional bar chart to show the difference in sales of all three products in the winter and the summer of 2010. [15]

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education MARK SCHEME for the May/June 2012 question paper for the guidance of teachers 0445 DESIGN AND TECHNOLOGY 0445/21 Paper 2 (Graphic Products), maximum raw mark 50 This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the examination. It shows the basis on which Examiners were instructed to award marks. It does not indicate the details of the discussions that took place at an Examiners’ meeting before marking began, which would have considered the acceptability of alternative answers. Mark schemes must be read in conjunction with the question papers and the report on the examination. • Cambridge will not enter into discussions or correspondence in connection with these mark schemes. Cambridge is publishing the mark schemes for the May/June 2012 question papers for most IGCSE, GCE Advanced Level and Advanced Subsidiary Level syllabuses and some Ordinary Level syllabuses. www.XtremePapers.com

Page 2 Mark Scheme: Teachers’ version Syllabus Paper IGCSE – May/June 2012 0445 21 © University of Cambridge International Examinations 2012 A1 (a) Octagon Constructional square 80 A/F (2) Centre determined (1) Arcs drawn (1) Side drawn to arc/square plot (1) [5] (b) Semi-circle Semi-circle to length of side (1) [1] (c) Triangles Two triangles equilateral (2) [2] [Total: 8] A2 (a) Lettering Accuracy and proportion of: K (1) Y (1) Spacing (1) Height (1) [4] (b) Quadrilateral border vertical (1) horizontal (1) Repeat angle (1) [3] [Total: 7] A3 Isometric rectangular base 50 x 80 (2) Top rectangle height 20 (1) Top rectangle in line with base (1) O/H to top of top rectangle 160 (1) Taper sides x2 (2) Semi-circle plots (1) Semi-circle constructed curve (1) Repeat curve to candidate thickness (1) [10] [Total: 10]

Page 3 Mark Scheme: Teachers’ version Syllabus Paper IGCSE – May/June 2012 0445 21 © University of Cambridge International Examinations 2012 B4 (a) Development Extra sides shown in correct position (7) 2 side flaps (1) Radius on side flap (1) Side flaps 45 long (1) Tuck-in flap 10 (1) Tuck-in flaps angled (1) [12] (b) Arrow-tabs Symmetrical (1) Stand off (1) Neck (1) Slot size to match neck (1) Min 4 arrow-tabs shown (4x1) [8] (c) PYO added (1) On correct face (1) In correct orientation (1) [3] (d) Halving slots or similar 0-2 (repeat of arrow tab/slot =0) (2) [2] [Total: 25]

Page 4 Mark Scheme: Teachers’ version Syllabus Paper IGCSE – May/June 2012 0445 21 © University of Cambridge International Examinations 2012 B5 (a) Pie chart Circle (1) 6 divisions (1) 2 x correct (1 mark) 3 x correct (2 marks) 4/5 correct (3 marks) Labels on correct segment or key (1) Quantity shown (1) [7] (b) Bar chart Three seasons correctly referenced (1) Rising chart (winter to summer) (1) To approximate scale (1) [3] (c) Three dimensional bar chart 3D (1) Winter Three blocks in 3D (2D = 0 marks) (up to 3 marks) Correct value to scale (3x1 up to 3 marks) Labels added and correct to value (1) Summer Three blocks in 3D (2D = 0 marks) (up to 3 marks) Correct value to scale (3x1 up to 3 marks) Labels added and correct to value (1) [15] [Total: 25]