94 √ Let’s Practice 3H 1) RM54 2) RM1 341 3) RM514.90 4) RM2 945.60 Let’s Practice 3I 1) RM220 000 2) RM931.80 3) RM825 4) RM3 285 5) RM19.50 6) a) RM7.62 b) RM134.62 7) a) 700 b) RM1 400 8) RM324.50 UNIT 4: TIME Practise 4A 1. West East 1. Germany (7 hours) 2. Mexico (13 hours) 1. Japan (1 hour) 2. New Zealand (4 hours) 2. Kuala Lumpur is located to the east of Berlin. Practise 4B 1. 2 hours 2. 6 hours Practise 4C 1. 10:28 a.m., 20 July 2023 2. West from Kuala Lumpur 2. 6 hours 3. 2203 hours / 10:03 p.m. 4. 8: 57 a.m. 5. 4:00 a.m., Friday 6. 7: 15 p.m. UNIT 5: MEASUREMENT 1. 960 ml 2. 150 km 3. 320 ml 4 (a) 266.67 (b) No 5. 600 g 6. 40cm UNIT 6: SPACE Practise 6A 1. a. 60° b. 120° 2. Accept any reasonable answers. (the length of 4 sided are equal) 3. a. hexagon 120° b. octagon 135° 4. heptagon 7 octagon 8 Prac�se 6B 1. a. b. 2. S Practise 6C 1. a. circumference b. centre c. radius 2. Prac�se 6D 1. a. b. a. O centre b. WOX Diameter c. OY Radius d. WZXY circumference 56° 90 ° 2 cm 5 cm 90 °
95 Practise 6E 1. Accept any reasonable answers. 2. a. b. 3. a. octagon b. 600 mm UNIT 7: COORDINATE, RATIO AND PROPORTION Let’s Learn c) 1 km d) 2 km, 7 km Let’s Practice 7A 1. a) 5 km b) 5 km c) 3 km d) 6 km, 2 km 2) a) Factory R b) Factory S c) Factory S d) 10 km Let’s Practice 7B 1. a) 1 : 4 b) 1 : 5 c) 2 : 5 d) 5 : 1 e) 3 : 5 f) 8 : 3 2. a) 1 : 5 b) 1 : 3 c) 3 : 2 d) 4 : 5 e) 1 : 4 f) 10 : 7 g) 4 : 5 h) 1 : 9 i) 4 : 3 j) 2 : 3 Let’s Practice 7C 1) 170 kg 2) RM100 3) 105 m 4) 27 hours 5) 144 m 6) 36 km Lets’s Practice 7D 1) a) 6 km b) Total distance = 10 km Convert unit : 10 km x 1 000 = 10 000 m 2) a) 3 : 4 b) 1 : 6 c) 9 : 10 3) 3 : 7 4) 21 km 5) 22 km 6) RM105 7) 880 8) 36 9) 60 10)3 :10 UNIT 8: DATA HANDLING Let’s Practise 8A 1 Title : Types of Recycled Materials (a) Type of book Value of angle Fracti on Percenta ge Quant ity of book Encyclop edia 12.5 % 20 Storybook 50% 80 History 25% 40 Magazine 12.5% 20 (b) , 180 ( c ) , 90 (d) , 45 (e) , 45 (f ) Storybo ok, 80 20 cm 20 cm 180 Plastics 90 Old books 45 Aluminium cans 45 Others
96 reasonable answer. reasonable answer. (b) ) Unlikely to occur, any reasonable answer. (g) Likely to occur, any reasonable answer. (c) Likely to occur, any reasonable answer. (h) Unlikely to occur, any reasonable answer. (d) Likely to occur, any reasonable answer. (i) Unlikely to occur, any reasonable answer. (e) Unlikely to occur, any reasonable answer. (j) Unlikely to occur, any reasonable answer. 2(a) Less likely. (b) Impossible. (c) Certain. (d) Equally likely. (e) More likely. Let’s Practise 8C 1. (a) Yellow (b) 5 (c) 40 2. (a) 1.25 kg (b) Carrot (c) 5 kg