1 霹雳怡保培南独立中学 SM POI LAM (SUWA) IPOH FINAL EXAMINATION 2021 MATHEMATICS PAPER 1 DATE: TIME : 19 NOVEMBER 2021 1135 – 1235 (60 MINUTES) NAME：______________________ REG NO:_________________ CLASS：J1 ZI / J1 YI READ THESE INSTRUCTIONS FIRST Write your name, class and student number on all the work you hand in. Write only in dark blue or black pen. Do not use correction fluid. Answer all the questions. If working is needed for any question it must be shown in the space below that question. Omission of essential working will result in loss of marks. ELECTRONIC CALCULATOR IS NOT ALLOWED TO BE USED IN THIS PAPER. The number of marks is given in brackets [ ] at the end of each question or part question. The total of the marks for this paper is 50. Do Not Turn This Page Until You Are Told To Do So This paper consists of 9 printed pages including this page. Prepared by ： Darchinie ………………… (MS DARCHINIE) Checked by： Ong Eik Hooi ………………… (MR ONG EIK HOOI)
2 Answer all the questions. 1. Here is a list of numbers. 27 49 56 85 97 125 Write down all the numbers from this list which are [4m] i) Even ____________________ ii) Square ____________________ iii) Cube ____________________ iv) Prime ____________________ 2. Estimate the value of 9.954×2.703 0.152 correct to one significant figure. Answer: _____________ [2m] 3. a) Represent the two numbers (−√4) 2 and 15 ÷ (−√27 3 ) on the number line below. [3m] − − − − − −
3 b) Express the following word statements algebraically in their simplest form. i) Subtract the square of from the quotient of divided by the cube of . [1m] ii) Divide the sum of 4 and 5 by the product of 3 and . [2m] 4. Complete the following. a) 2.4 + 4.9 by giving your answers in . b) 68.76 − 48, leaving your answer in . Answers: (a) _____________ [2m] (b) _____________ [2m]
4 5. Solve the following equation. a) 8 − 23 = −18 b) 5( + 7) = 2( − 10) Answers: (a) _____________ [2m] (b) _____________ [3m] 6. Danny bought 120 watermelons and 90 mangoes to be sold at a night market. He sold the watermelons and mangoes at the price of 1.80 and 0.30 each respectively. If he sold all the watermelons but was left with 20 mangoes unsold, how much money did he get? Answer: _____________ [3m]
5 7. Abdullah and Jasmine bought a car for 180 000. Abdullah paid 45% of the amount and Jasmine paid the rest. a) How much did Jasmine pay towards the cost of the car? Answer: (a) _____________ [3m] b) Write down the ratio of the payments ℎ ∶ in its simplest form. Answer: (b) _____________ [2m] 8. Find ∠ in the following figure. Answer: ________________ [3m]
6 9. a) On the grid below, i) Plot the points (0,3) and (−2, −3). Then, draw a line through and . [3m] ii) Draw the line = 2. [1m] b) Calculate the gradient of AB. Answer: (b) _____________ [1m] 4 3 2 1 0 -1 -2 -3 -4 -3 -2 -1 1 2 3 4
7 10. a) The height of 18 boys from Bukit Merah Secondary School is shown in the table below. Height ( ) 110 ≤ < 120 120 ≤ < 130 130 ≤ < 140 140 ≤ < 150 Number of boys 4 5 2 i) Find the value of . Answer: = _____________ [1m] ii) The information is to be represented in a histogram. Complete the histogram below. [2m]
8 iii) Find the modal class of the given height. Answer: (iii) _____________ [1m] iv) Calculate the median for the height of 18 boys from Bukit Merah Secondary School. Answer: (iv) _____________ [2m] b) Paolo’s football team played 46 games. The pictogram shows some information about the number of goals scored by Paolo’s football team. They did not score any goals in five games. i) Complete the key. [1m] ii) Complete the pictogram. [1m]
9 11. A square construction paper was cut as shown below so that a symmetrical star was obtained. Find the area of the star that was cut out. Answer: ________________ [5m] END OF QUESTION PAPER
