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Ma Mathematics test KEY STAGE 3 TIER 6–8 Paper 1 Calculator not allowed First name Last name 2009 School Remember The test is 1 hour long. You must not use a calculator for any question in this test. You will need: pen, pencil, rubber and a ruler. Some formulae you might need are on page 2. This test starts with easier questions. Try to answer all the questions. Write all your answers and working on the test paper – do not use any rough paper. Marks may be awarded for working. Check your work carefully. Ask your teacher if you are not sure what to do. Sourced from SATs-Papers.co.uk TOTAL MARKS http://www.SATs-Papers.co.uk Instructions Answers This means write down your answer or show your working and write down your answer. Calculators You must not use a calculator to answer any question in this test. Formulae You might need to use these formulae Trapezium b Area = 1 (a + b)h 2 height (h) a Prism length area of cross-section Volume = area of cross-section × length KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 2 http://www.SATs-Papers.co.uk Matching 1. Match each instruction on the left with an instruction on the right that has the same effect. The ﬁrst one is done for you. Subtract 0 1 2 Add 0 Add Add 2 Subtract Subtract 2 1 2 Add –2 Subtract –2 1 mark KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 3 http://www.SATs-Papers.co.uk Oak leaves 2. Pupils are investigating oak leaves. They want to collect a sample of oak leaves. Here is their plan for how to collect the sample. Plan Choose one oak tree. Take 10 leaves from the lowest branches of the tree. Give two reasons why this sample of leaves may not be representative of all oak leaves. First reason: 1 mark Second reason: 1 mark KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 4 http://www.SATs-Papers.co.uk Missing lengths 3. Look at the rectangle. Not drawn accurately y x 6.1cm 4cm The total area of the rectangle is 40cm 2 Work out lengths x and y x = KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk cm y = cm 2 marks 5 http://www.SATs-Papers.co.uk Counters 4. (a) Bags A and B contain some counters. 6y + 1 counters 4y + 7 counters Bag A Bag B The number of counters in each bag is the same. Work out the value of y 2 marks (b) Bag C contains more counters than bag D. 4k counters k + 12 counters Bag C Bag D What is the smallest possible value of k? 2 marks KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 6 http://www.SATs-Papers.co.uk Prize money 5. Gary took part in a quiz show and won a million pounds. He spent £20 000 on a holiday. Then he spent half of the money left on a house. How much did Gary’s house cost? £ 2 marks KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 7 http://www.SATs-Papers.co.uk Correlation 6. Look at these two scatter graphs. They are both drawn using the same scale. Graph A (a) Graph B Which scatter graph shows positive correlation? A B Explain your answer. 1 mark (b) Which scatter graph shows stronger correlation? A B Explain your answer. 1 mark KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 8 http://www.SATs-Papers.co.uk Shape rules 7. Look at the sequence of shapes on a square grid. Shape number 1 Shape number 2 Shape number 3 Shape number 4 The table shows information about these shapes. Shape number Base Height Area N B H A 1 4 2 4 2 4 3 6 3 4 4 8 4 4 5 10 Rules connect N, B, H and A. Write one missing letter in each space below to complete the rule. H = + 1 A = × 2 + 2 2N = 2 marks KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 9 http://www.SATs-Papers.co.uk Fortieths 8. Look at this information. 27 = 0.675 40 29 = 0.725 40 Use this information to write the missing decimals below. 31 = 40 23 = 40 KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 1 mark 1 mark 10 http://www.SATs-Papers.co.uk Expressions In this question, n stands for any whole number. 9. (a) For the expression 2n, tick ( ) the correct statement below. 2n must be odd. 2n must be even. 2n could be odd or even. Explain your answer. 1 mark (b) For the expression 3n, tick ( ) the correct statement below. 3n must be odd. 3n must be even. 3n could be odd or even. Explain your answer. 1 mark KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 11 http://www.SATs-Papers.co.uk Ratio 10. (a) On this necklace the ratio of black beads to white beads is 1 : 3 How many more black beads do you need to add to make the ratio of black to white 3 : 1? black beads 1 mark (b) Here is the necklace again. How many more black beads and white beads do you need to add to make the ratio of black to white 3 : 2? black beads, white beads 1 mark KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 12 http://www.SATs-Papers.co.uk Powers, Sorting primes 11. Show that the difference between 32 and 33 is 18 1 mark 12. Sophie says: If n represents a prime number, then 2n + 1 will also represent a prime number. Use an example to explain why she is wrong. 1 mark KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 13 http://www.SATs-Papers.co.uk Score 13. A game has six rounds. In each round of the game, the player gains points which are added to their total score. (a) The graph shows Sue’s total score after each round of her game. 70 60 50 40 Total score after each round 30 20 10 0 0 1 2 3 Round 4 5 6 How many points did Sue gain in round 4? 2 marks (b) Derek plays the game. The graph of his total score after each round is a straight line. What can you say about the number of points Derek gained in each round? 1 mark KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 14 http://www.SATs-Papers.co.uk Rhombus 14. Inside the rectangle below is a shaded rhombus. The vertices of the rhombus are the midpoints of the sides of the rectangle. 8cm Not drawn accurately 6cm What is the area of the shaded rhombus? 2 marks 1 mark KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 15 http://www.SATs-Papers.co.uk Sums and products, Mean 15. (a) Sandra is thinking of two numbers. Her two numbers have a negative sum, but a positive product. Give an example of what her numbers could be. and 1 mark (b) Mark is also thinking of two numbers. His two numbers have a positive sum, but a negative product. Give an example of what his numbers could be. and 1 mark 16. The mean of ﬁve numbers is 10 I add one more number and the mean is now 11 What number did I add? 2 marks KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 16 http://www.SATs-Papers.co.uk Simultaneous 17. Solve these simultaneous equations using an algebraic method. 3x + 6y = 30 x + 6y = 20 You must show your working. x = KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk y = 3 marks 17 http://www.SATs-Papers.co.uk Shape 18. This shape is made of four congruent rectangles. Each rectangle has side lengths 2a and a Not drawn accurately a 2a The perimeter of the shape is 80cm. Work out the area of the shape. cm2 2 marks KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 18 http://www.SATs-Papers.co.uk Circle shapes 19. The diagram shows three congruent circles drawn on an isometric grid. The area of this equilateral triangle is y The area of this segment is w Write expressions, using y and w, for area A and area B. A B Area A = Area B = 1 mark 1 mark KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 19 http://www.SATs-Papers.co.uk False 20. (a) A pupil wrote: For all numbers j and k, ( j + k )2 = j 2 + k 2 Show that the pupil is wrong. 2 marks (b) A different pupil wrote: For all numbers j and k, ( j + k )2 can never be equal to j 2 + k 2 Show that this pupil is also wrong. 1 mark KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 20 http://www.SATs-Papers.co.uk Dice probability 21. I have two fair four-sided dice. The dice are both numbered 3, 4, 5 and 6 I am going to roll both dice and multiply the scores. What is the probability that the product is a multiple of 3? 2 marks KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 21 http://www.SATs-Papers.co.uk Solving 22. Solve these equations using an algebraic method. You must show your working. 5( 3y – 4 ) 2y = 7 y = 2 marks ( x + 4 )( x – 4 ) = 9 x = or x = 2 marks KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 22 http://www.SATs-Papers.co.uk Distance from school 23. Pupils in a class investigated how far they live from school. The frequency diagram shows the results. 12 8 Frequency 4 0 0 (a) 1 2 3 4 Distance from school (miles) 5 Complete the cumulative frequency graph below to show these results. 28 24 20 16 Cumulative frequency 12 8 4 0 0 (b) 1 2 3 4 Distance from school (miles) 5 2 marks Estimate the median distance from school for this class. miles 1 mark KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 23 http://www.SATs-Papers.co.uk Coordinates 24. Look at the graph. y = x2 – 2 y y=x–2 Not drawn accurately x 0 B A At points A and B, y = x – 2 and y = x2 – 2 What are the coordinates of A and B? A is ( , ) 1 mark B is KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk ( , ) 24 http://www.SATs-Papers.co.uk 1 mark Similar triangles 25. In the diagram triangle BCD is mathematically similar to triangle ACE. C 4cm B D Not drawn accurately 6cm A E 71 2 cm Work out the length of BD. cm 2 marks KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 25 http://www.SATs-Papers.co.uk Regions 26. Look at the graph. The x -axis, the y -axis and the lines y = x and y = – x divide the graph into eight regions, A to H. y y=x C B D A E H F x G y = –x (a) Write down the letters of the four regions where x , 0 , and 1 mark (b) Write down the letters of the four regions where y , x , and 1 mark (c) Write down the letters of the four regions where xy , 0 , and 1 mark KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 26 http://www.SATs-Papers.co.uk Average speed 27. A cyclist went 1km up a hill at 15km per hour. Then she went 1km down the hill at 30km per hour. Show that her average speed for the 2km was 20km per hour. 2 marks KS3/09/Ma/Tier 6–8/P1 Sourced from SATs-Papers.co.uk 27 http://www.SATs-Papers.co.uk END OF TEST ISBN No: 978-1-84721-706-6 © QualificationsSATs-Papers.co.uk Authority 2009 Sourced from and Curriculum QCA/09/3790 (Pupil pack) QCA/09/3783 (Mark scheme pack) http://www.SATs-Papers.co.uk 290013