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

1.2.2a Fractions 1. Positive fractions are  fractions with the positive sign (+), and their values are greater than 0. 2. Negative fractions are  fractions with the negative sign (–), and their values are less than 0. 1.2.2b Decimals 1. There are positive decimals and negative decimals. 2. Positive decimals are greater than zero and negative decimals are less than … Read more

Question 1: Evaluate 5 + (–7)    Solution: Therefore, 5 + (–7) = 5 – 7 = –2 Question 2: Evaluate –6 – (–5)    Solution: Therefore, –6 – (–5) = –6 + 5    = –1 Question 3: Simplify –3 + 7 + (–2)   Solution: Therefore, –3 + 7 + (–2) = 4 … Read more

1.1.1 Addition and Subtraction of Integers 1.1.1a Addition of Integers 1. Addition of integers can be done on a number line. (a) To add a positive integer: Move to the right (positive direction) on the number line. (b) To add a negative integer: Move to the left (negative direction) on the number line. 2. Integers … Read more