PORT SHEPSTONE ISLAMIC SCHOOL MATHEMATICS REVISION TEST ONE GRADE 9 TERM 1 2021 TIME: 1 Hour NAME : …………………………………………………………. TOTAL: 50 CLASS:……………. INSTRUCTIONS AND INFORMATION 1. This question paper consists of 6 questions. 2. Answer ALL the questions. 3. Clearly show ALL calculations, diagrams, graphs et cetera that you have used in determining yours answers 4. Number the answers correctly according to the numbering system used in this question paper. 5. Round off answers to TWO decimal places if the degree of accuracy is not specified. 6. Write neatly and legibly. Turn over 2 QUESTION 1 Classify the following numbers as Natural, Whole number, irrational, non – real, rational − 27 1.1 ______________________________ (1) 1.2 1.3 1.4 1.5 21 ______________________________ • (1) (1) 2, 3 ______________________________ 11 ______________________________ (1) ______________________________ (1) −9 [5] QUESTION 2 2.1 Find the HCF of 24x3yz4 ; 30x2y2z3 and 36x3y2z3 __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ (4) 2.2 Determine the LCM of 150 ; 250 and 375. __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ (4) [8] 3 QUESTION 3 3.1 Simplify the ratio 154: 132 in its simplest form __________________________________________________________ (2) 3.2 Increase R700 in the ratio 3: 2 __________________________________________________________ __________________________________________________________ (2) 3.3 Decrease 117 kg in the ratio 10: 13. __________________________________________________________ __________________________________________________________ (2) 3.4 Three boys share R2100 in the ratio 3: 5: 7. Calculate how much each boy will get. __________________________________________________________ __________________________________________________________ __________________________________________________________ (3) 3.5 Michelle and Themba are travelling from Cape Town to Johannesburg by car. They travel 30km in 18 minutes and they continue at this constant speed. How far will they have travelled in 1 hour 48 min. __________________________________________________________ __________________________________________________________ __________________________________________________________ (3) 3.6 The table below shows the cost in rand for litres of milk. 3.6.1 Complete the table. Litres of milk 1 2 4 Cost in rand 8 16 32 6 12 64 (3) 3.6.2 What type of proportion is this? __________________________________________________________ (1) 4 3.7 The table below shows the number of hours that men take to complete a particular task. 3.7.1 Complete the table Number of Men to do task 1 2 4 Hours to complete a task 8 4 2 6 12 4 5 (3) 3.7.2 What type of proportion is this? __________________________________________________________ (1) [20] QUESTION 4 In this question you are not allowed to use a calculator. Show all your calculations. 4.1 Calculate the value of: 3 − 27 − 36 __________________________________________________________ __________________________________________________________ (2) 4.2 Between which two consecutive integers does 130 lie? __________________________________________________________ __________________________________________________________ (2) 4.3 3 73 − (− 3) = 2 __________________________________________________________ __________________________________________________________ (2) 4.4 1,44 − 3 0,064 = __________________________________________________________ __________________________________________________________ (2) 4.5 Evaluate 4.5.1 7 7 − , giving your answer as a fraction in its lowest terms. 8 10 __________________________________________________________ __________________________________________________________ (1) 1 1 4.5.2 2 3 , giving your answer as a mixed number. 3 2 __________________________________________________________ __________________________________________________________ (1) 5 4.5.3 24 6 + 2 9 __________________________________________________________ __________________________________________________________ (2) 4.5.4 0,4 0,02 __________________________________________________________ __________________________________________________________ (1) [13] QUESTION 5 Calculate the following without the use of a calculator: 5.1 − 82 ( − 2)3 __________________________________________________________ (1) 5.2 1 1 2 +1 2 3 __________________________________________________________ __________________________________________________________ (1) 5.3 2 1 2 1 3 9 __________________________________________________________ __________________________________________________________ (1) 5.4 3 − 1 1 − 2 8 4 __________________________________________________________ __________________________________________________________ (1) [4] GRAND TOTAL 50