Year 9 Assesment 3:Foundation

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32, 48 and 72 01=0.0018 72 -3 1.8 x 10 or 23€ -110 592 24 120mins 2 hours 73011-20-850 7:30 + 2h = 9:30am 1.8 X 10 (Total for question = 3 marks) 1.8 2x2x2 = Buses to Ashby leave a bus station every 24 minutes. Buses to Barford leave the same bus station every 20 minutes. A bus to Ashby and a bus to Barford both leave the bus station at 7 30 am. When will a bus to Ashby and a bus to Barford next leave the bus station at the same time? 20 40 60 80 100 1410 96 72 418 120 -14 8 110592 (Total for question = 2 marks) 160 9:30am 8:50am (Total for question = 3 marks) 11 4 Q7. (a) Write 2.673 x 104 as an ordinary number. 2.673 × 104 = 26730 (b) Write 0.0704 in standard form. 2 zeros 704 X 10 (c) Calculate (4.515 x 106) + (3.01 x 10-²) Give your answer in standard form. 10° 3.01 X10¹² = 0.0301 Q8. 704 XO Write 0.4 as a percentage. Q9. 1.5 X 108 40 = 40% 100 45150000.0301 The value of Michelle's car has decreased by 15% The car now has a value of £13 600 Work out the value of Michelle's car before the decrease. 13 600 26730 ÷ - 150000004 204000 34000 34000 15% OF 204000 = 3060 20400 13 6 0 0 0 + 6 8 ooo 204000 7.04×108 1.5 X 50600 ..... 57 x 10° x 40 100% -15% = 85%. (Total for question 4 marks) 80 X (1) (Total for question = 1 mark) 16,000 25160x % #SSY OF 13600-11560 13600 + 11S60 = 25160 100 IS-89 (Total for question - 2 marks) 13600 0.89 16,00 Q10. Write 37% as a fraction. Q11. Write 5 as a decimal. Q12. Bill's method is wrong. (a) Explain why. 300 Bill wants to increase 150 by 3% He writes down : 3-100 x 20 120 03 80 100 150 x 1.3 195 3070 03 x 150 =4.5 0.03 3/100=0.03. increase not 390 37 100 (Total for question = 1 mark) Sally wants to decrease 150 by 3% (b) Complete this statement to show how Sally can decrease 150 by 3% 150 x 0.03×150 = 4:5 190 97 4.5=445.S (Total for question = 1 mark) then? 581455 W (Total for question = 2 marks) Q13. Toby invested £7500 for 2 years in a savings account. He was paid 4% per annum compound interest. How much money did Toby have in his savings account at the end of 2 years? 7500 x 1.04³² = 8112 Principle Q14. period / year % 41% of Neil bought a house for £235 000 In the first year the value of the house depreciated by 4% In each of years 2 and 3 the value of the house increased by 6% Work out the value of the house at the end of year 3 £ : $112✓ 9400 (Total for question is 2 marks) 235000 235000-9400-229600✓ 225600 + 13536 +13936 = 292672 283484.16 82292672 x £ (Total for question =3 marks) | 1st year) 235 000 +0.96 = €225 600 1.06² =253484.16 2nd year) 229 600 x + 3rd year Q15. Rehan is on holiday in the USA. He has $200 to spend on clothes. Rehan buys 1 pair of trainers costing $60 3 T-shirts costing $25 each. He also wants to buy a jacket costing $80 (a) Has Rehan got enough money to buy the jacket? You must show how you get your answer. 60 +(25 x3) +80=215 78 25x3=75 The trainers cost $60 The exchange rate is $1= £0.749 Rehan says, "The trainers cost less than £40" ورم B 2+3 Rehan is wrong. (b) Using a suitable approximation, show working to explain why. 0.749 = 0.75 0.75 x 60-145 £0.75 £45 rehan does not have enough.ne goes $15 above -15 200-21S = -1S ) x60 ✓ [End of Examination Paper! sion Pypert Rehan is wrong as the trainer cost EUS which is bigger than £UO (3) (2) (Total for question = 5 marks)