Rational Numbers

1.6.2 Rational Numbers (HOTS Questions), PT3 Practice Question 5: Calculate the value of ( − 0.6 × 1 1 4 ) − [ − 1.6 × ( − 1.5 ) ] ÷ 0.4 Solution: ( − 0.6 × 1 1 4 ) − [ − 1.6 × ( − 1.5 ) ] ÷ 0.4 = … Read more

1.6.1 Rational Numbers (HOTS Questions), PT3 Practice Question 1: Complete the following calculation. − 4.6 × ( 3 5 − 1 3 4 ) = − 4.6 × ( 0.6 − x ) = − 4.6 × x = x Solution: − 4.6 × ( 3 5 − 1 3 4 ) = − 4.6 … Read more

Question 11: Britney rents a stall to sell cakes. The rental of the stall is RM500 per month. The cost for baking a cake is RM5 per box and she sells it at RM10 per box. What is the minimum box of cakes must Britney sell each month to make a profit? Solution: Rental of … Read more

Question 6: Solve 4 (8 + 14)(37 – 18) + 46 Solution: 4 (8 + 14)(37 – 18) + 46 = 4(22)(19) + 46 = 4 × 22 × 19 + 46 = 1672 + 46 = 1718 Question 7: Calculate the value of 113 + 6(47 – 4 × 9) Solution: 113 + 6(47 … Read more

Question 1: Solve 8 × 2 ÷ 4 + 12. Solution: 8 × 2 ÷ 4 + 12 = 16 ÷ 4 + 12 = 4 + 12 = 16 Question 2: Solve 7(6 + 5) – 3(13 – 9). Solution: 7(6 + 5) – 3(13 – 9) = 7(11) – 3(4) = 77 – … Read more

Question 5: Calculate the value of 4 5 +15.4÷4 and express the answer correct to one decimal place.  Solution: 4 5 +15.4÷4 = 4 5 +3.85 =0.8+3.85 =4.65 =4.7 (one decimal place) Question 6: Calculate the value of 84 – 3(14 + 48 ÷ 6) = Solution: 84−3( 14+48÷6 ) =84−3[ 14+( 48÷6 ) ] =84−3( 14+8 ) … Read more

Question 1: 62.4 – 36.02 + 12.6 = Solution: Question 2: 4.76 × 7.2 ÷ 0.3 = Solution: 4.76×7.2÷0.3 =34.272÷0.3 = 34.272 0.3 = 34.272×10 0.3×10 = 342.72 3 =114.24 Question 3: 0.12 × (5.9 – 1.33) ÷ 0.8 = Solution: 0.12×( 5.9−1.33 )÷0.8 =0.12×4.57÷0.8 =0.5484÷0.8 = 0.5484 0.8 = 0.5484×10 0.8×10 = 5.484 8 … Read more

Question 11: Table below shows the types of fruit tree planted by Azmi in his orchard. (a) Calculate the number of guava trees. (b) 100 mangosteen trees died due to fungus. Find the total number of the remaining trees. Solution: (a) Number of Guava trees = 1 3 ×180 =60 (b) Number of mangosteen and guava trees =180+60 =240 Fraction of mangosteen and guava trees= 3 5 Total number of trees … Read more

Question 6: 1 1 2 ÷ 1 4 × 4 5 = Solution: 1 1 2 ÷ 1 4 × 4 5 = 3 2 × 4 2 1 × 4 5 = 24 5 =4 4 5 Question 7: 4 1 5 ÷1 1 6 ×2 2 9 = Solution: 4 1 5 ÷1 … Read more

Question 1: 3 2 5 +1 5 6 − 1 5 = Solution: 3 2 5 +1 5 6 − 1 5 =3 12 30 +1 25 30 − 6 30 =4 37 30 − 6 30 =4 31 30 =5 1 30 Question 2: 6 1 12 −3 2 3 −1 5 6 = … Read more